US2804500A - Color interpretation system - Google Patents

Color interpretation system Download PDF

Info

Publication number
US2804500A
US2804500A US383480A US38348053A US2804500A US 2804500 A US2804500 A US 2804500A US 383480 A US383480 A US 383480A US 38348053 A US38348053 A US 38348053A US 2804500 A US2804500 A US 2804500A
Authority
US
United States
Prior art keywords
color
kinescope
frequency
sound
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US383480A
Inventor
Lawrence J Giacoletto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RCA Corp filed Critical RCA Corp
Priority to US383480A priority Critical patent/US2804500A/en
Application granted granted Critical
Publication of US2804500A publication Critical patent/US2804500A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00Colour television systems

Definitions

  • the systems proposed in the past for correlating light and sound usually resolve themselves into devices whereby the sounds of a phonograph or any other sound reproducer are coordinated with a bank of many colored lights.
  • the lamps are usually selected and controlled in accordance with either the frequency or amplitude characteristics of the sound energy from the reproducer, or both.
  • different colored lights may be selected in accordance with the sound frequency and the intensity of those selected may be varied in accordance with the sound intensity.
  • a further purpose of my invention is to provide an improved system of the general type described in which moving mechanical parts are eliminated.
  • a still further object of my invention is to provide a novel system of the type under consideration which may be incorporated easily into a standard color television set.
  • means are provided whereby electric currents representing sound waves, are divided into frequency bands by means of suitable filtering devices.
  • the currents representative of each band of frequencies are fed into separate paths and individually applied to the control electrodes of separate color cathode ray tubes or the different control electrodes of a single tri-color tube.
  • Switching means are provided to change the input, which may be either video, audio, or rectified audio, to the various control electrodes in accordance with the wishes of the observer. In this manner, for programs consisting of both sound and pictures, where the picture may not be of interest, the viewer can switch from picture reception to a changing color portrayal or interpretation of the sound.
  • Fig. l is a schematic representation of one embodiment of my invention.
  • Figs. 2, 3 and 4 are approximate representations of the picture on the face of the kinescope as used with the arrangement of Fig. l for diiterent input sound conditions;
  • Fig. 5 is an approximate representation of the picture on the face of the kinescope or on an image screen for a condition wherein the geometric pattern is present;
  • Fig. 6 is a schematic representation of another embodiment of my invention.
  • a simplified representation of one type of tricolor kinescope is indicated by the numeral 1.
  • a tricolor kinescope 1 suitable for employment in the practice of this invention has been well shown and described in an article entitled A three-gun shadow-mask color kinescope appearing in Part II of the RCA Review for September 1951 at page 466, et seq.
  • the kinescope l has three cathodes 2, 3 and 4 and three corresponding control electrodes 5, 6 and 7.
  • the electrodes 2, 3 and 4 control the intensity of the three electron beams produced by the respective cathodes and the electron gun structures. As the potential on these control electrodes 2, 3 and 4 becomes more negative, fewer electrons will be drawn from the space charge adjacent to the cathodes.
  • the beams are defiected by any known method such as electrostatic or magnetic means.
  • Figure l a set of magnetic defiecting coils 9 and 1t) is illustrated.
  • the coils 9 and 1t? exert a magnetic force on the electron beams so that when they emerge from the magnetic field, they have been deflected from their original direction.
  • Each of the three electron beams may have its intensity controlled in accordance with signals from a transducer which converts the intensity of a particular color into corresponding voltage variations.
  • the cathode corresponding to the red beam is indicated by the numeral 2
  • the cathode for the green beam by the numeral 3
  • the cathode for the blue beam by the numeral 4
  • the beams strike a cathodoluminescent phosphor screen i2. composed of a regular array of red, green and biue emitting phosphor dots or 3 strips which are placed on the interior surface of the transparent plate 8 of the kinescope 1.
  • the dots on the glass plate 8 are closely spaced in groups of three so that the center of a dot of each of the three colors is located at each apex or corner of an equilateral triangle.
  • a perforated metal. sheet 13 commonly known as a shadow mask is located in front of the phosphor screen 12 for partially masking the electron beams.
  • the shadow mask 13 is so spaced with respect to the gun and the phosphor dots, and has such geometrical properties that the electron beam corresponding to the red components strikes only those phosphor dots which are red emitting.
  • the shadow mask 13 also insures that the electronbeams for green and blue strike only green and bluephosphors respectively.
  • the shadow mask in fact provides means whereby each electron beam has accessonly to one of' three separate areas of a particular type ofphosphor, these areas being physically interlaced to permit the production of a line raster by an electron beam which produces an area of illumination when it strikes the target.
  • the line raster is therefore made up of a plurality of adjacent elemental areas of illumination in effect-controllable as to color and intensity. Sinceeach of the beams is capable of exciting only one ofthe primary colors, appropriate modulation of the beams with color intelligence will reproduce a picture in full color on the face of the kinescope 1. It should be understood that theA details of the kinescope 1 in themselves form no part of my invention, and are given by way of explanation only.
  • Switch arms 15, 16 and 17 are provided for changing the signals which are applied to the control grids 5, 6 and 7 of the kinescope 1.
  • a three position switch 19 is also provided to change the frequency of the horizontal deflection voltage.
  • switch arms 15, 16 and 17 are gang-connected,l all switches will be in the upper, middle or lower position at the same time. These switches are also ganged to the switch arm 19 which is associated with the hori-Y zontal deflection circuit.
  • the horizontal deflection switch arm 19 will' simultaneously be moved to change the frequency of the horizontal deflection voltage.
  • the source of horizontal frequency it should be understood, may be a single source which can be varied within the desired' limits.
  • the video signal appliedy at 14 is passed to the control grids 5,V 6 and 7 when switch arms. 15, 16v and 17 are in the upper position.
  • the tri-colored kinescope tube In this position of the switch contacts the tri-colored kinescope tube is operating normally, i. e., in the presence of a video signal the electron beams will be modulated in accordance with colored picture information, and a designin full color will be reproduced on the plate 8 of the kinescope.
  • the horizontal deflecting frequency supplied from source 18 will be the television horizontaldeffection frequency standard of 15.75 kilocyclesper second.
  • the vertical deflecting frequency is maintained approximately at the television vertical deflection standard of- 60 cycles per second.
  • the switch arm 19 When the switch arms 15, 16 and 17 are in the middle position as shown in Fig. l, the switch arm 19 will also-- be in the middle position.
  • the control grids 5, 6 and 7 of the kinescope 1 are connected to receive the audio input signal.V At the movement'of the circuit of any commercially available television set. It should be understood, however, that an audio signal from any source, such as a phonograph reproducer, may be used. For normal operation the audio signal will be present at the same time the changing colored pattern appears on the face of the tube.
  • the heard audio signal may be switched on and off in accordance with the wishes of the observerV so that the changing colored pattern may be present without the sound.
  • the audio or music spectrum will be filtered into appropriate frequency bands by filters 24, 25 and 26, and the output from the low-pass filter will be approximately in the range of frequencies from 30 to 500 cycles per second, the bandpass filter 25 will reject all frequencies except those in the 500 to 2500 cycles per secondhand, and those frequencies in the 2500 to 15,000 persecond band will be passed by the high pass filter 26'.
  • filters 24, 25 and 26 which may be any of the well known types.
  • filter 24 may pass frequencies in the 30 to 500 cycle range and reject all others.
  • filter 25 may pass frequencies in a band extending fromI 500 to 2500 cycles per second, and filter 26 may reject all' frequenciesexcept thosefalling within the 2500 to 15,000y cycles per second.
  • bandpass filter 25 and the high-pass filter 26 are im-Y pressed respectively on the inlputs of the diode rectifiers 20, 21 and 22 which may be of any conventional type.
  • the direct currentsin the outputs of the rectifiers will be representative of' the audio input to each both in its amplitude and in the rate at which it fluctuates inamplitude. In this manner the envelopes of the filteredv outputs are obtained.
  • the rectified currents are then used to drive the control grids 5, 6 and 7' of the kinescope. Sincethe envelopefof the filtered and rectified input energy VchangesY relatively slowly with respect to time the picture onl the face of the kinescope will be, somewhat similar in appearance and effect to that obtained by thel other systems using a bank of colored lights.
  • the face of the tube at any given moment, under these conditions, will substantially be one color which will cover almost the entire plate 8 ⁇ of the kinescope, and the multi-coloredl geometric .pattern effect on. the face of the kinescope will be absent.
  • the scanning-process takes a finite amount oftime,y the picture will not be entirely one color.
  • the circuit operation forthe lower switch position is approximately the same, therefore, as the. systems heretofore-inuse. In contrast tothe previous systems, however, a
  • the fast changing characterV of the pattern is kaleidoscopic in nature and is due to the random relation ofthe soundl signals to the relatively fixed horizontal and' vertical defiection fre- The fit
  • the picture on the plate 8 of the kinescope is illustrated for a low frequency condition, i. e., in the approximate range between and 500 cycles per second. Under these conditions low frequencies will produce horizontal bands of red when the three primary colors, red, blue and green, are used. The number of bands will increase as the frequency of the signal is increased within the low frequency range. Thus for a particular choice of low frequency audio input to the grid 5 of the tube, a picture containing a series of red horizontal bands will appear on the face of the kinescope as indicated in Figure 2.
  • Fig. 4 indicates the picture on the face of the kinescope for a single particular high frequency condition. It has been observed that high frequency input in the 2.5 to l5 kilocycles per second band produces vertical bands of blue on the phosphor screen. In a manner similar to low frequency conditions, the bands will increase in number as the frequency increases. Thus for a given choice of high frequency audio input to the grid 7 of the kinescope, a picture containing a series of blue vertical bands will appear on the face of the kinescopes as indicated in Fig. 4.
  • a complex signal such as music in the audio input to the grids of the kinescope
  • the bands will not be seen as such, but a complex, changing, geometrical pattern will be produced on the plate S of the tube as illustrated in Fig. 5 of the drawing.
  • the resulting picture somewhat resembles that of a kaleidoscope, except of course, that the geometry of the pattern is determined by the music.
  • Fig. 5 then represents a typical tube picture fora general audio input with the geometric pattern and color content of the pattern shifting instantaneously in response to the audio content of the complex signal.
  • FIG. 6 a schematic representation of another embodiment of my invention is shown.
  • three kinescopes 28, 29 and 30 are employed and the images on faceplates 3l, 32 and 33 respectively, are reflected by means of a suitable optical system and superimposed on an image screen 35.
  • the kinescope 28 is shown as the red kinescope, the kinescope Z9 as the blue kinescope, and the kinescope 39 as the green kinescope.
  • the optical system for projecting the images on the faceplates of kinescopes 28, 29 and 30 to the image screen consists of a pair of crossed dichroic selective reflectors 37 and 38, and a 45 degree plane mirror 34. The relative positions of the optical components in the entire assembly are illustrated in Fig. 6.
  • Other optical systems such as the one illustrated in a patent to D. W. Epstein, No. 2,590,240 may alternatively be used.
  • lters 24', 25 and 26 having low pass, bandpass and high pass characteristics, respectively, are serially connected to the control grids 39, 41 and 40 of the kinescopes. It should be understood that these lters have characteristics similar to their counter-parts as shown in Fig. 1 and described above. Similarly the diode rectitiers 20', 21 and 22' are similar to the three input rectitiers as shown in Fig. l, and are incorporated in the circuitry for identical reasons. Thus it is apparent that with the exception of the use of three kinescopes and an optical system for superimposing the images appearing on the kinescope faces, the embodiment of my invention as illustrated in Fig. 6 is identi-cal to the embodiment illustrated in Fig. l and the numbers of corresponding elements are primed.
  • a system for displaying colored configurations representative of sound which has been converted into corresponding electrical variations comprising in combination, a low pass filter, a high pass filter and a bandpass filter, said iilters adapted to receive and separate said variations into a plurality of different frequency bands, means coupled to said filters for detecting the envelopes of said frequency bands, a tri-color kinescope having a plurality of input circuits, switching means having a plurality of contact settings coupled to said plurality of input circuits, said switching means being adapted to apply each of said filtered frequency bands to each of said input circuits respectively in one contact setting, said switching means adapted to apply the detected envelopes of each of said filtered frequency bands to each of said input circuits respectively in another of said contact settings, and means coupled to said kinescope for controlling the horizontal deflection frequency thereof, said last-named means being coupled to said switching means so as to provide a different horizontal deflection rate when said switching means applies said detected envelopes to said input circuits than when said switching means applies said filtered frequency bands to
  • a system for displaying colored configurations representative of sound which has'been converted into corresponding. electrical variations comprising in combinatiorna low pass filter, a high pass filter and a bandpass filter, said filters adapted to receive and separate said variations into a plurality of different frequency bands, apluralityof means each of which is coupled to one of said filters for detecting the envelopes of each of said frequency bands respectively, first, second and third kinescopes each having meansfor controlling the intensity of the electron beam therein, switching means having a'plurality of contact settings coupled to each of said controlling means, said switching means being adapted in one of said contact positions to apply each. of said filtered frequency bands to one.
  • said switching means further adapted in another of said contact settings to apply the detected envelopes of each of said ltered frequency bands to each of said controlling means respectivelymeans coupled to each of said kinescopes for controlling the frequency of the horizontal deflection thereof, said last-named means also being coupled to said switchingmeans so as to provide a different horizontal deflection rate when said switching means applies said detected envelopes to said controlling mean-s than when said switching means applies said ltered frequency bands to said controlling means.
  • the invention .as described in claim 5 characterized by another contact setting for said switching means, said switching means adapted to apply video signals to said controlling means in said last-mentioned'contact setting, said means for controlling the horizontal deflection frequency being adapted ⁇ to provide a horizontal deflection rate of 15.75 mc. when said video signals are applied to said controlling means.
  • An entertainment device for the aesthetic interpretation of sound in continuously varying kaleidoscopic patterns of light changing in color, shape and design'as a function of changes in the amplitude of sound. energy fallingl in predetermined ranges of the sound frequency spectrum, comprising in combination: a source of electrical sound signal; means for dividing said sound signal into at least first, second and third frequency ranges to produce respective first, second and third control signals; means for producing an optical light raster comprised of apredetermined number of spaced lines, said line ⁇ raster bfeing formed by the simultaneous scansion of an element of illumination in both horizontal and vertical directions over the area of said raster atpredetermined fixed scansion frequencies randomly related to the frequencies falling in said first, second ⁇ and third sound signal'f'requency ranges; signal responsive means operatively associated with said raster producing means and having at least first, second and third control signal input terminals for changing the color and ⁇ intensity of light. emitted by said element of illumination at any given elemental position in said raster; and means coup
  • an.y entertainment system for interpreting-sound information in continuously changing kaleidoscopic patterns of color and brightness variations comprising in combination: signal responsive means adapted to receive color control signals for vcontrolling the intensity and color of' light emitted' by saidV element of illumination' at eachelemental positionin said'line raster; a source of electrical sound signals embracing a predetermined Vfrequency range, all frequency components in said sound signals being randomly relatedto both said vertical and horizontal scansion' frequencies; Vfilter means coupled with said signal source for 'dividing said sound signals into a plurality of frequency ranges the signals in each range being designated ascolorcontrol signals; and means coupling said filter means to said lcolor control means to apply said color control signalsY to said color control means for altering the intensity and color of said element of illumination as it
  • a system for the aesthetick interpretation of sound signals comprising in combination: a source ofy color television video signals; a source ofsound signals; means for producing-an optical light raster. comprised of a predetermined number of spaced lines, said line raster being formed by the simultaneous scansion of an elementof illumination in both horizontal and vertical directions over the area of said raster at predetermined fixed scansion frequencies randomly related in frequency to the signal frequencies comprising said sound signals; means coupled with said sound signal source for dividing said sound signal into low, medium and high frequency ranges to produce respective first, second and third color control signals; signal responsive means.
  • a color television system for producing optical images in color on a color kinescope reproducing means capable ofproducing a cathodoluminescent light image comprised of light from areas of at least a first, second and third type of cathodoluminescent material, each material type emitting a different color of light when excited by an electron beam
  • said kinescope reproducing means including an ⁇ electron beam producing means and means continuously deflecting said beam in horizontal and vertical directions at fixed deflection frequencies to form a rectangular raster of lines
  • an entertainment apparatus for the aestheticv interpretation of sound signals comprising in combination: signals responsive input means for independently controlling the intensity of light emitted by each type of cathodoluminsecent'material during deflection; a sourceof electrical variation representing sound signals, ⁇ sai'delectrical variations embracing the sound f requencyspectrumuand randomly related to the horizontal and vertical cathode ray beam deection frequencies; color control signal producing means including filter means connected with said source of electrical variations dividing said variations into

Description

Aug. 27, 1957 L.. J. GlAcoLETTo 2,804,500
coLoR INTERPRETATION SYSTEM Filed oct. 1, 195s 2 sheets-sheet 1 USR. w S mm ,auf E J. w a NQ i .w BMIIIIJHL N o mmf D NN UQ. L: T m -d 5mm@ ,WN N N .Qylm \L *www IIi-- INN N w Im @www N. \\\V\\ A TTOR NE Y Aug. 27, 1957 L. J. GxAcoLETTo coLoR INTERPRETATION SYSTEM 2 Sheets-Sheet 2 Filed 001'.. l, 1953 k NLS IN VEN TOR.
TTORNEY Unite States listen Patented Ang. 27, 1957 assess@ Cerca mrnnrnnrarron srsrnrvr Lawrence J. Giacoletto, Princeton Junction, N. J., assigner to Radio Corporation of America, a c-orporatmn et Delaware Application October 1, 1953, Serial No. SSSASG il Ciaims. (Cl. 179-14@ My invention relates to a system for the visual portrayal and interpretation of sound and in particular to a system for converting music into colored geometric patterns.
Systems have been devised for interpreting sound, especially music in terms of color. The development of such systems has been a natural result of a long standing recognition that sounds are peculiarly susceptible to portrayal and interpretation by the many known shades and tones of color. Thus, for example, footlights and spotlights consisting of multifarious colors have been used in dramatic and musical productions for many years. This fact, of course, is a recognition that the artistic eliect of such productions is considerably enhanced by the changing color compositions of the scenes. As a result of this recognition, systems have been proposed to coordinate the two effects into an audible and visual unit, the two effects combined serving to complement and augment each other producing a unified response which is superior and more eiective than either effect alone.
The systems proposed in the past for correlating light and sound usually resolve themselves into devices whereby the sounds of a phonograph or any other sound reproducer are coordinated with a bank of many colored lights. The lamps are usually selected and controlled in accordance with either the frequency or amplitude characteristics of the sound energy from the reproducer, or both. Thus different colored lights may be selected in accordance with the sound frequency and the intensity of those selected may be varied in accordance with the sound intensity.
Such a system is disclosed and claimed in a patent to E. B. Patterson, No. 1,977,997. In accordance with the Patterson invention, sound from any suitable source is converted into an electric current which is amplified and then separated into distinct bands of frequency by a series of electrical frequency selective filters. The filtered currents are used to control the intensity of a plurality of banks of colored lights, each bank being of a different color.
Heretofore, when it was desired to change the geometric pattern of any illuminated area, it has been the practice to use revolving masks or diffusing crystals placed between the illuminated area and the light source. A very pleasing effect may be obtained if the color pattern is directly related to the audio content of the source, and wherein the patterns produced follow, in rapid sequence, the changes in the sound.
It is, therefore, an object of my invention to provide means for interpreting sound, and more particularly, music, in terms of a rapidly changing color pattern whose eometrical form and content are intimately related to the sound input.
Also, it is an aim of my invention to provide means, in a system for visually interpreting sound, whereby a color pattern is directly related to the audio content of the source and in which the pattern produced will follow the rapid changes in audio content.
A further purpose of my invention is to provide an improved system of the general type described in which moving mechanical parts are eliminated.
A still further object of my invention is to provide a novel system of the type under consideration which may be incorporated easily into a standard color television set.
In accordance with my invention means are provided whereby electric currents representing sound waves, are divided into frequency bands by means of suitable filtering devices. The currents representative of each band of frequencies are fed into separate paths and individually applied to the control electrodes of separate color cathode ray tubes or the different control electrodes of a single tri-color tube. Switching means are provided to change the input, which may be either video, audio, or rectified audio, to the various control electrodes in accordance with the wishes of the observer. In this manner, for programs consisting of both sound and pictures, where the picture may not be of interest, the viewer can switch from picture reception to a changing color portrayal or interpretation of the sound.
The above, and other objects, aims, and purposes of my invention are accomplished by the structures and arrangements set forth in the following detailed description of my invention when taken in connection with the accompanying drawings, in which:
Fig. l is a schematic representation of one embodiment of my invention;
Figs. 2, 3 and 4 are approximate representations of the picture on the face of the kinescope as used with the arrangement of Fig. l for diiterent input sound conditions;
Fig. 5 is an approximate representation of the picture on the face of the kinescope or on an image screen for a condition wherein the geometric pattern is present; and
Fig. 6 is a schematic representation of another embodiment of my invention.
Referring in detail to the drawings, and in particular to Fig. l, a simplified representation of one type of tricolor kinescope is indicated by the numeral 1. A tricolor kinescope 1 suitable for employment in the practice of this invention has been well shown and described in an article entitled A three-gun shadow-mask color kinescope appearing in Part II of the RCA Review for September 1951 at page 466, et seq. The kinescope l has three cathodes 2, 3 and 4 and three corresponding control electrodes 5, 6 and 7. The electrodes 2, 3 and 4 control the intensity of the three electron beams produced by the respective cathodes and the electron gun structures. As the potential on these control electrodes 2, 3 and 4 becomes more negative, fewer electrons will be drawn from the space charge adjacent to the cathodes.
The beams are defiected by any known method such as electrostatic or magnetic means. In Figure l a set of magnetic defiecting coils 9 and 1t) is illustrated. The coils 9 and 1t? exert a magnetic force on the electron beams so that when they emerge from the magnetic field, they have been deflected from their original direction. Each of the three electron beams may have its intensity controlled in accordance with signals from a transducer which converts the intensity of a particular color into corresponding voltage variations.
For the purposes of this invention, any colors may be used but red, blue and green will be chosen as examples. Thus, in Figure l, the cathode corresponding to the red beam is indicated by the numeral 2, the cathode for the green beam by the numeral 3 and the cathode for the blue beam by the numeral 4 The beams strike a cathodoluminescent phosphor screen i2. composed of a regular array of red, green and biue emitting phosphor dots or 3 strips which are placed on the interior surface of the transparent plate 8 of the kinescope 1.
If the dot form of target or screen is employed, the dots on the glass plate 8 are closely spaced in groups of three so that the center of a dot of each of the three colors is located at each apex or corner of an equilateral triangle. A perforated metal. sheet 13 commonly known as a shadow mask is located in front of the phosphor screen 12 for partially masking the electron beams. The shadow mask 13 is so spaced with respect to the gun and the phosphor dots, and has such geometrical properties that the electron beam corresponding to the red components strikes only those phosphor dots which are red emitting. The shadow mask 13 also insures that the electronbeams for green and blue strike only green and bluephosphors respectively. Thus the shadow mask in fact provides means whereby each electron beam has accessonly to one of' three separate areas of a particular type ofphosphor, these areas being physically interlaced to permit the production of a line raster by an electron beam which produces an area of illumination when it strikes the target. The line raster is therefore made up of a plurality of adjacent elemental areas of illumination in effect-controllable as to color and intensity. Sinceeach of the beams is capable of exciting only one ofthe primary colors, appropriate modulation of the beams with color intelligence will reproduce a picture in full color on the face of the kinescope 1. It should be understood that theA details of the kinescope 1 in themselves form no part of my invention, and are given by way of explanation only.
Switch arms 15, 16 and 17 are provided for changing the signals which are applied to the control grids 5, 6 and 7 of the kinescope 1. A three position switch 19 is also provided to change the frequency of the horizontal deflection voltage.
Since the switch arms 15, 16 and 17 are gang-connected,l all switches will be in the upper, middle or lower position at the same time. These switches are also ganged to the switch arm 19 which is associated with the hori-Y zontal deflection circuit. Thus, as the input to the con trol grids 5, 6 and 7 of the kinescope 1 isvchanged from video to audio or to a rectified audio, byrmoving the switch arms 15, 16 and 17 respectively to the upper, middle and 'lower positions the horizontal deflection switch arm 19 will' simultaneously be moved to change the frequency of the horizontal deflection voltage. The source of horizontal frequency, it should be understood, may be a single source which can be varied within the desired' limits. A v
' The video signal appliedy at 14 is passed to the control grids 5,V 6 and 7 when switch arms. 15, 16v and 17 are in the upper position. In this position of the switch contacts the tri-colored kinescope tube is operating normally, i. e., in the presence of a video signal the electron beams will be modulated in accordance with colored picture information, and a designin full color will be reproduced on the plate 8 of the kinescope. i Also, in this switch posi'- tion the horizontal deflecting frequency supplied from source 18 will be the television horizontaldeffection frequency standard of 15.75 kilocyclesper second. The vertical deflecting frequency is maintained approximately at the television vertical deflection standard of- 60 cycles per second.
When the switch arms 15, 16 and 17 are in the middle position as shown in Fig. l, the switch arm 19 will also-- be in the middle position. In this setting the control grids 5, 6 and 7 of the kinescope 1 are connected to receive the audio input signal.V At the movement'of the circuit of any commercially available television set. It should be understood, however, that an audio signal from any source, such as a phonograph reproducer, may be used. For normal operation the audio signal will be present at the same time the changing colored pattern appears on the face of the tube. By tapping off the audio signal at some point in the system in advance of the place where the volume control unit of the audio stage of the set is located, the heard audio signal may be switched on and off in accordance with the wishes of the observerV so that the changing colored pattern may be present without the sound.
The audio or music spectrum will be filtered into appropriate frequency bands by filters 24, 25 and 26, and the output from the low-pass filter will be approximately in the range of frequencies from 30 to 500 cycles per second, the bandpass filter 25 will reject all frequencies except those in the 500 to 2500 cycles per secondhand, and those frequencies in the 2500 to 15,000 persecond band will be passed by the high pass filter 26'. When the switch arm 19 is moved to its lower'positi'orr, the
arm 15, 16 and 17 will be simultaneously moved to theirI bands by means of filters 24, 25 and 26 which may be any of the well known types. By way of example filter 24, may pass frequencies in the 30 to 500 cycle range and reject all others. In the same manner filter 25 may pass frequencies in a band extending fromI 500 to 2500 cycles per second, and filter 26 may reject all' frequenciesexcept thosefalling within the 2500 to 15,000y cycles per second. These values are typical when the three primary colors are used in the kinescope. It is obvious, of cou-rse, that the filters may be changed according to either the selected colors or the wishes of the individual, and the values given by way of example, therefore, are not the onlyy possibilities.
The output currents from the low-pass filter 24, the
bandpass filter 25 and the high-pass filter 26 are im-Y pressed respectively on the inlputs of the diode rectifiers 20, 21 and 22 which may be of any conventional type. The direct currentsin the outputs of the rectifiers will be representative of' the audio input to each both in its amplitude and in the rate at which it fluctuates inamplitude. In this manner the envelopes of the filteredv outputs are obtained. The rectified currents are then used to drive the control grids 5, 6 and 7' of the kinescope. Sincethe envelopefof the filtered and rectified input energy VchangesY relatively slowly with respect to time the picture onl the face of the kinescope will be, somewhat similar in appearance and effect to that obtained by thel other systems using a bank of colored lights. The face of the tube at any given moment, under these conditions, will substantially be one color which will cover almost the entire plate 8` of the kinescope, and the multi-coloredl geometric .pattern effect on. the face of the kinescope will be absent. However, since the scanning-process takes a finite amount oftime,y the picture will not be entirely one color. The circuit operation forthe lower switch positionis approximately the same, therefore, as the. systems heretofore-inuse. In contrast tothe previous systems, however, a
fast changing colored light is available onthe kinescope face which has practically no .time lag. The fast changing characterV of the pattern is kaleidoscopic in nature and is due to the random relation ofthe soundl signals to the relatively fixed horizontal and' vertical defiection fre- The fit
Referring to Figure 2, the picture on the plate 8 of the kinescope is illustrated for a low frequency condition, i. e., in the approximate range between and 500 cycles per second. Under these conditions low frequencies will produce horizontal bands of red when the three primary colors, red, blue and green, are used. The number of bands will increase as the frequency of the signal is increased within the low frequency range. Thus for a particular choice of low frequency audio input to the grid 5 of the tube, a picture containing a series of red horizontal bands will appear on the face of the kinescope as indicated in Figure 2.
Medium frequencies, on the other hand, will produce either many horizontal bands of green or a few vertical bands of green depending upon the exact frequency of the signal. In Fig. 3 the particular frequency of the signal applied to grid 6 is somewhere between the two extremes, i. e., horizontal hands and vertical bands. The result is a series of diagonal bands of green. The particular pattern will, of course, be dependent on the exact frequency,
and will vary in accordance with the frequency of the' incoming signal.
Fig. 4 indicates the picture on the face of the kinescope for a single particular high frequency condition. It has been observed that high frequency input in the 2.5 to l5 kilocycles per second band produces vertical bands of blue on the phosphor screen. In a manner similar to low frequency conditions, the bands will increase in number as the frequency increases. Thus for a given choice of high frequency audio input to the grid 7 of the kinescope, a picture containing a series of blue vertical bands will appear on the face of the kinescopes as indicated in Fig. 4.
With a complex signal such as music in the audio input to the grids of the kinescope, the bands will not be seen as such, but a complex, changing, geometrical pattern will be produced on the plate S of the tube as illustrated in Fig. 5 of the drawing. The resulting picture somewhat resembles that of a kaleidoscope, except of course, that the geometry of the pattern is determined by the music. Fig. 5 then represents a typical tube picture fora general audio input with the geometric pattern and color content of the pattern shifting instantaneously in response to the audio content of the complex signal.
Referring now to 6, a schematic representation of another embodiment of my invention is shown. In the example illustrated three kinescopes 28, 29 and 30 are employed and the images on faceplates 3l, 32 and 33 respectively, are reflected by means of a suitable optical system and superimposed on an image screen 35. For
purposes of illustration, the kinescope 28 is shown as the red kinescope, the kinescope Z9 as the blue kinescope, and the kinescope 39 as the green kinescope. Viewed as a complete unit, the optical system for projecting the images on the faceplates of kinescopes 28, 29 and 30 to the image screen consists of a pair of crossed dichroic selective reflectors 37 and 38, and a 45 degree plane mirror 34. The relative positions of the optical components in the entire assembly are illustrated in Fig. 6. Other optical systems such as the one illustrated in a patent to D. W. Epstein, No. 2,590,240 may alternatively be used.
Light appearing on the faceplates 31 and 32 of the red and blue kinescopes 28 and Z9 is reected by means of the dichroic reflectors 38 and 3'7 respectively on screen 35 by means of plane mirror 34. Light from faceplate 33 of kinescope 3'@ passes through reflectors 37 and 38 and is reflected by mirror 34 on screen 35 so that a single, registered, multi-colored configuration is produced.
The remaining portions of the circuitry as illustrated in Figure 6 are similar to that used and illustrated in Figure l and heretofore explained. The switching arrangement for connecting control grids 39, 40 and 41 of the kinescopes 23, 29 and 30 to a video signal, an audio input, or a rectiiied audio input, is similar to that shown in the embodiment of the invention illustrated in Figure l. rhus, the horizontal deflection switch arm 19 is gang content and is intimately related thereto.
connected to input switch arms 1S', 16' and 17'. By moving these switches to any one of the three positions illustrated, similar results are obtained as for the case when a single kinescope is employed. In this manner the images appearing on the faces 31, 32 and 33 of kinescopes 28, 29 and 30 for the intermediate switch position will appear approximately as shown in Figs. 2, 3 and 4 respectively. Thus the image superimposed by means of reflectors 37 and 38, and plane mirror 34, on the image screen 35, will be similar to the pattern illustrated in Fig. 5 of the drawings.
As illustrated also in Fig. 6 of the drawings three lters 24', 25 and 26 having low pass, bandpass and high pass characteristics, respectively, are serially connected to the control grids 39, 41 and 40 of the kinescopes. It should be understood that these lters have characteristics similar to their counter-parts as shown in Fig. 1 and described above. Similarly the diode rectitiers 20', 21 and 22' are similar to the three input rectitiers as shown in Fig. l, and are incorporated in the circuitry for identical reasons. Thus it is apparent that with the exception of the use of three kinescopes and an optical system for superimposing the images appearing on the kinescope faces, the embodiment of my invention as illustrated in Fig. 6 is identi-cal to the embodiment illustrated in Fig. l and the numbers of corresponding elements are primed.
ln this manner, the viewer may switch from the video input to the audio input if he becomes tired or bored with the picture. The particular utility of my invention will perhaps be realized to its best advantage for musical programs where the picture is of little interest, or in those situations where the viewer prefers not to concentrate on the picture and is interested in obtaining a soothing and attractive colored picture which changes with the musical By means of my invention this result is achieved in a simple manner and the two effects, music and color, are combined into an effective unitary interpretation.
Although the invention has been described in terms of an audio input to the filters, it is evident that any signals, video or even random, may alternatively be applied.
It should be understood that my invention, as disclosed, is not confined to any particular television system, being equally adaptable to any one desired.
It is to be noted that other systems for combining optically the separate images appearing on the faceplate of each kinescope may alternatively be used without departing from the essence of this invention.
What I claim and desire to secure by Letters Patent is:
l. A system for displaying colored configurations representative of sound which has been converted into corresponding electrical variations comprising in combination, a low pass filter, a high pass filter and a bandpass filter, said iilters adapted to receive and separate said variations into a plurality of different frequency bands, means coupled to said filters for detecting the envelopes of said frequency bands, a tri-color kinescope having a plurality of input circuits, switching means having a plurality of contact settings coupled to said plurality of input circuits, said switching means being adapted to apply each of said filtered frequency bands to each of said input circuits respectively in one contact setting, said switching means adapted to apply the detected envelopes of each of said filtered frequency bands to each of said input circuits respectively in another of said contact settings, and means coupled to said kinescope for controlling the horizontal deflection frequency thereof, said last-named means being coupled to said switching means so as to provide a different horizontal deflection rate when said switching means applies said detected envelopes to said input circuits than when said switching means applies said filtered frequency bands to said input circuits.
2. The invention according to claim Yl wherein said means for controlling the horizontal deiiection frequency provides a slower rate when said switching means applies said detected envelopes to said input circuits. than-when said switching means applies said filtered frequency bands to said input-circuits. v Y, c
3. The invention according to claim 2 wherein the slower horizontal deflection frequency is approximately 1000 cycles per second when said switching means applies said detected'envelopes to said input circuits.
4. They invention according to claimV 2 wherein said slower horizontal deiiection frequency is approximately 1000 cycles per second and wherein the'horizontal deiiection 4rate when said filtered frequency bands are appliedtov said input circuits is 15.75 kc.V y
v5. A system for displaying colored configurations representative of sound which has'been converted into corresponding. electrical variations comprising in combinatiorna low pass filter, a high pass filter and a bandpass filter, said filters adapted to receive and separate said variations into a plurality of different frequency bands, apluralityof means each of which is coupled to one of said filters for detecting the envelopes of each of said frequency bands respectively, first, second and third kinescopes each having meansfor controlling the intensity of the electron beam therein, switching means having a'plurality of contact settings coupled to each of said controlling means, said switching means being adapted in one of said contact positions to apply each. of said filtered frequency bands to one. of said-controlling meansy respectively, said switching means further adapted in another of said contact settings to apply the detected envelopes of each of said ltered frequency bands to each of said controlling means respectivelymeans coupled to each of said kinescopes for controlling the frequency of the horizontal deflection thereof, said last-named means also being coupled to said switchingmeans so as to provide a different horizontal deflection rate when said switching means applies said detected envelopes to said controlling mean-s than when said switching means applies said ltered frequency bands to said controlling means.
6. The invention as described in claim 5 wherein the horizontal deflection rate is slower when said switching means applies said detected envelopes to said controlling means than when said switching means applies said filtered frequency bands to said control means.
: 7. The invention .as described in claim 5 characterized by another contact setting for said switching means, said switching means adapted to apply video signals to said controlling means in said last-mentioned'contact setting, said means for controlling the horizontal deflection frequency being adapted` to provide a horizontal deflection rate of 15.75 mc. when said video signals are applied to said controlling means.
8. An entertainment device for the aesthetic interpretation of sound in continuously varying kaleidoscopic patterns of light changing in color, shape and design'as a function of changes in the amplitude of sound. energy fallingl in predetermined ranges of the sound frequency spectrum, comprising in combination: a source of electrical sound signal; means for dividing said sound signal into at least first, second and third frequency ranges to produce respective first, second and third control signals; means for producing an optical light raster comprised of apredetermined number of spaced lines, said line `raster bfeing formed by the simultaneous scansion of an element of illumination in both horizontal and vertical directions over the area of said raster atpredetermined fixed scansion frequencies randomly related to the frequencies falling in said first, second `and third sound signal'f'requency ranges; signal responsive means operatively associated with said raster producing means and having at least first, second and third control signal input terminals for changing the color and`intensity of light. emitted by said element of illumination at any given elemental position in said raster; and means coupling said first, .second and thirdcontrol signa-ls to said first,
second, and Vthird color control signalinput terminals for l and'vertical directions `over the area of said raster at predetermined fixed scansion frequencies, the intensity and color of light emitted by said element of illumination being controlled at each elemental position in said line raster, an.y entertainment system for interpreting-sound information in continuously changing kaleidoscopic patterns of color and brightness variations comprising in combination: signal responsive means adapted to receive color control signals for vcontrolling the intensity and color of' light emitted' by saidV element of illumination' at eachelemental positionin said'line raster; a source of electrical sound signals embracing a predetermined Vfrequency range, all frequency components in said sound signals being randomly relatedto both said vertical and horizontal scansion' frequencies; Vfilter means coupled with said signal source for 'dividing said sound signals into a plurality of frequency ranges the signals in each range being designated ascolorcontrol signals; and means coupling said filter means to said lcolor control means to apply said color control signalsY to said color control means for altering the intensity and color of said element of illumination as it defines said line raster.
10. In a colorY television receiver a system for the aesthetick interpretation of sound signals comprising in combination: a source ofy color television video signals; a source ofsound signals; means for producing-an optical light raster. comprised of a predetermined number of spaced lines, said line raster being formed by the simultaneous scansion of an elementof illumination in both horizontal and vertical directions over the area of said raster at predetermined fixed scansion frequencies randomly related in frequency to the signal frequencies comprising said sound signals; means coupled with said sound signal source for dividing said sound signal into low, medium and high frequency ranges to produce respective first, second and third color control signals; signal responsive means. operatively associated with said raster producing means and having a first, second and third control signal input terminals for changing a respective and different aspectof the color and intensity of light emitted by said element of illumination at any given elemental position in said raster; and switching means connected with said source of color video signals, said dividing means and said signal responsive means for selectively applying either said video signals or said first, second and third control signals to said signal responsive means for controlling the color and intensity of each element of said line raster as it is formed by the deflection of said element of illumination.
1l. In a color television system for producing optical images in color on a color kinescope reproducing means capable ofproducinga cathodoluminescent light image comprised of light from areas of at least a first, second and third type of cathodoluminescent material, each material type emitting a different color of light when excited by an electron beam, said kinescope reproducing means including an` electron beam producing means and means continuously deflecting said beam in horizontal and vertical directions at fixed deflection frequencies to form a rectangular raster of lines, an entertainment apparatus for the aestheticv interpretation of sound signals comprising in combination: signals responsive input means for independently controlling the intensity of light emitted by each type of cathodoluminsecent'material during deflection; a sourceof electrical variation representing sound signals, `sai'delectrical variations embracing the sound f requencyspectrumuand randomly related to the horizontal and vertical cathode ray beam deection frequencies; color control signal producing means including filter means connected with said source of electrical variations dividing said variations into low, medium and high frequency ranges to produce a first, second and third color control signals respectively corresponding in intensity to the amplitude of electrical variations falling in said low, medium and high frequency ranges; and means coupled with said color control signal producing means and said signal responsive input means for controlling the intensity of light emitted by said first, second and third types of cathodoluminescent materials by said rst, second and third color control signals respectively.
References Cited in the le of this patent UNITED STATES PATENTS Goldsmith Nov. 23, Schott Sept. 6, Ross Mar. 28, Sheldon Apr. 22, Sziklai Oct. 28, Potter Feb. 24,
US383480A 1953-10-01 1953-10-01 Color interpretation system Expired - Lifetime US2804500A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US383480A US2804500A (en) 1953-10-01 1953-10-01 Color interpretation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US383480A US2804500A (en) 1953-10-01 1953-10-01 Color interpretation system

Publications (1)

Publication Number Publication Date
US2804500A true US2804500A (en) 1957-08-27

Family

ID=23513354

Family Applications (1)

Application Number Title Priority Date Filing Date
US383480A Expired - Lifetime US2804500A (en) 1953-10-01 1953-10-01 Color interpretation system

Country Status (1)

Country Link
US (1) US2804500A (en)

Cited By (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2910681A (en) * 1954-11-08 1959-10-27 Mita Yoshiharu Apparatus for producing audio-visual dynamic designs
US2991446A (en) * 1957-03-18 1961-07-04 Socony Mobil Oil Co Inc Seismic display system
US3213197A (en) * 1962-04-04 1965-10-19 Sperry Rand Corp Frequency responsive apparatus
US3441850A (en) * 1966-02-18 1969-04-29 Signatection Inc Spectrum analysis apparatus
US3581192A (en) * 1968-11-13 1971-05-25 Hitachi Ltd Frequency spectrum analyzer with displayable colored shiftable frequency spectrogram
US3604852A (en) * 1970-03-02 1971-09-14 Howard Wise Apparatus for the visual aesthetic display of sound
US3627912A (en) * 1969-04-23 1971-12-14 William E Hearn Visual display of complex color television sound wave signals
US3639691A (en) * 1969-05-09 1972-02-01 Perception Technology Corp Characterizing audio signals
US3662374A (en) * 1970-07-13 1972-05-09 Computer Image Corp Automatic generation of a mouth display and animation of the mouth in response to sound
US3723652A (en) * 1970-10-12 1973-03-27 H Alles Electrical circuit for enabling the visual display of an audio signal by a conventional television receiver
US3742125A (en) * 1971-06-11 1973-06-26 Electronic Visions Inc Color video abstract synthesizer
US3900886A (en) * 1969-05-23 1975-08-19 Jan R Coyle Sonic color system
US3969972A (en) * 1975-04-02 1976-07-20 Bryant Robert L Music activated chromatic roulette generator
US3990105A (en) * 1974-02-19 1976-11-02 Fast Robert E Audio-visual convertor
US4001880A (en) * 1975-06-23 1977-01-04 Delikat Robert P Audio to video translator
US4128846A (en) * 1977-05-02 1978-12-05 Denis J. Kracker Production of modulation signals from audio frequency sources to control color contributions to visual displays
US4205687A (en) * 1977-07-29 1980-06-03 Diagnostic Electronics Corporation Color coded blood flow velocity display equipment
US4257062A (en) * 1978-12-29 1981-03-17 Meredith Russell W Personalized audio-visual system
US4768086A (en) * 1985-03-20 1988-08-30 Paist Roger M Color display apparatus for displaying a multi-color visual pattern derived from two audio signals
US4984072A (en) * 1987-08-03 1991-01-08 American Film Technologies, Inc. System and method for color image enhancement
US20080245211A1 (en) * 2007-04-03 2008-10-09 Lemons Kenneth R Child development and education apparatus and method using visual stimulation
US20080259083A1 (en) * 2007-04-20 2008-10-23 Lemons Kenneth R Calibration of transmission system using tonal visualization components
US20080264240A1 (en) * 2007-04-20 2008-10-30 Lemons Kenneth R Method and apparatus for computer-generated music
US20080264238A1 (en) * 2007-04-20 2008-10-30 Lemons Kenneth R Musical instrument tuning method and apparatus
US20080264241A1 (en) * 2007-04-20 2008-10-30 Lemons Kenneth R System and method for music composition
US20080270904A1 (en) * 2007-04-19 2008-10-30 Lemons Kenneth R System and method for audio equalization
US20080264239A1 (en) * 2007-04-20 2008-10-30 Lemons Kenneth R Archiving of environmental sounds using visualization components
US20080275703A1 (en) * 2007-04-20 2008-11-06 Lemons Kenneth R Method and apparatus for identity verification
US20080274443A1 (en) * 2006-07-12 2008-11-06 Lemons Kenneth R System and method for foreign language processing
US20080271591A1 (en) * 2007-04-18 2008-11-06 Lemons Kenneth R System and method for musical instruction
US20080271589A1 (en) * 2007-04-19 2008-11-06 Lemons Kenneth R Method and apparatus for editing and mixing sound recordings
US20080276791A1 (en) * 2007-04-20 2008-11-13 Lemons Kenneth R Method and apparatus for comparing musical works
US20090158916A1 (en) * 2006-07-12 2009-06-25 Lemons Kenneth R Apparatus and method for visualizing music and other sounds
US20090223348A1 (en) * 2008-02-01 2009-09-10 Lemons Kenneth R Apparatus and method for visualization of music using note extraction
US20090223349A1 (en) * 2008-02-01 2009-09-10 Lemons Kenneth R Apparatus and method of displaying infinitely small divisions of measurement
US7589269B2 (en) 2007-04-03 2009-09-15 Master Key, Llc Device and method for visualizing musical rhythmic structures
US8730232B2 (en) 2011-02-01 2014-05-20 Legend3D, Inc. Director-style based 2D to 3D movie conversion system and method
US8897596B1 (en) 2001-05-04 2014-11-25 Legend3D, Inc. System and method for rapid image sequence depth enhancement with translucent elements
US8953905B2 (en) 2001-05-04 2015-02-10 Legend3D, Inc. Rapid workflow system and method for image sequence depth enhancement
US9007404B2 (en) 2013-03-15 2015-04-14 Legend3D, Inc. Tilt-based look around effect image enhancement method
US9007365B2 (en) 2012-11-27 2015-04-14 Legend3D, Inc. Line depth augmentation system and method for conversion of 2D images to 3D images
US9241147B2 (en) 2013-05-01 2016-01-19 Legend3D, Inc. External depth map transformation method for conversion of two-dimensional images to stereoscopic images
US9282321B2 (en) 2011-02-17 2016-03-08 Legend3D, Inc. 3D model multi-reviewer system
US9288476B2 (en) 2011-02-17 2016-03-15 Legend3D, Inc. System and method for real-time depth modification of stereo images of a virtual reality environment
US9286941B2 (en) 2001-05-04 2016-03-15 Legend3D, Inc. Image sequence enhancement and motion picture project management system
US9407904B2 (en) 2013-05-01 2016-08-02 Legend3D, Inc. Method for creating 3D virtual reality from 2D images
US9438878B2 (en) 2013-05-01 2016-09-06 Legend3D, Inc. Method of converting 2D video to 3D video using 3D object models
US9547937B2 (en) 2012-11-30 2017-01-17 Legend3D, Inc. Three-dimensional annotation system and method
US9609307B1 (en) 2015-09-17 2017-03-28 Legend3D, Inc. Method of converting 2D video to 3D video using machine learning

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2335180A (en) * 1942-01-28 1943-11-23 Alfred N Goldsmith Television system
US2481247A (en) * 1946-10-10 1949-09-06 Bell Telephone Labor Inc Visual representation of complex waves
US2501788A (en) * 1946-01-07 1950-03-28 Thomas N Ross Translating device and method
US2593925A (en) * 1948-10-05 1952-04-22 Sheldon Edward Emanuel Device for color projection of invisible rays
US2615975A (en) * 1948-07-30 1952-10-28 Rca Corp Color television receiving system
US2629778A (en) * 1946-05-10 1953-02-24 Bell Telephone Labor Inc Visual representation of complex waves

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2335180A (en) * 1942-01-28 1943-11-23 Alfred N Goldsmith Television system
US2501788A (en) * 1946-01-07 1950-03-28 Thomas N Ross Translating device and method
US2629778A (en) * 1946-05-10 1953-02-24 Bell Telephone Labor Inc Visual representation of complex waves
US2481247A (en) * 1946-10-10 1949-09-06 Bell Telephone Labor Inc Visual representation of complex waves
US2615975A (en) * 1948-07-30 1952-10-28 Rca Corp Color television receiving system
US2593925A (en) * 1948-10-05 1952-04-22 Sheldon Edward Emanuel Device for color projection of invisible rays

Cited By (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2910681A (en) * 1954-11-08 1959-10-27 Mita Yoshiharu Apparatus for producing audio-visual dynamic designs
US2991446A (en) * 1957-03-18 1961-07-04 Socony Mobil Oil Co Inc Seismic display system
US3213197A (en) * 1962-04-04 1965-10-19 Sperry Rand Corp Frequency responsive apparatus
US3441850A (en) * 1966-02-18 1969-04-29 Signatection Inc Spectrum analysis apparatus
US3581192A (en) * 1968-11-13 1971-05-25 Hitachi Ltd Frequency spectrum analyzer with displayable colored shiftable frequency spectrogram
US3627912A (en) * 1969-04-23 1971-12-14 William E Hearn Visual display of complex color television sound wave signals
US3639691A (en) * 1969-05-09 1972-02-01 Perception Technology Corp Characterizing audio signals
US3900886A (en) * 1969-05-23 1975-08-19 Jan R Coyle Sonic color system
US3604852A (en) * 1970-03-02 1971-09-14 Howard Wise Apparatus for the visual aesthetic display of sound
US3662374A (en) * 1970-07-13 1972-05-09 Computer Image Corp Automatic generation of a mouth display and animation of the mouth in response to sound
US3723652A (en) * 1970-10-12 1973-03-27 H Alles Electrical circuit for enabling the visual display of an audio signal by a conventional television receiver
US3742125A (en) * 1971-06-11 1973-06-26 Electronic Visions Inc Color video abstract synthesizer
US3990105A (en) * 1974-02-19 1976-11-02 Fast Robert E Audio-visual convertor
US3969972A (en) * 1975-04-02 1976-07-20 Bryant Robert L Music activated chromatic roulette generator
US4001880A (en) * 1975-06-23 1977-01-04 Delikat Robert P Audio to video translator
US4128846A (en) * 1977-05-02 1978-12-05 Denis J. Kracker Production of modulation signals from audio frequency sources to control color contributions to visual displays
US4205687A (en) * 1977-07-29 1980-06-03 Diagnostic Electronics Corporation Color coded blood flow velocity display equipment
US4257062A (en) * 1978-12-29 1981-03-17 Meredith Russell W Personalized audio-visual system
US4768086A (en) * 1985-03-20 1988-08-30 Paist Roger M Color display apparatus for displaying a multi-color visual pattern derived from two audio signals
US4984072A (en) * 1987-08-03 1991-01-08 American Film Technologies, Inc. System and method for color image enhancement
US8897596B1 (en) 2001-05-04 2014-11-25 Legend3D, Inc. System and method for rapid image sequence depth enhancement with translucent elements
US9286941B2 (en) 2001-05-04 2016-03-15 Legend3D, Inc. Image sequence enhancement and motion picture project management system
US8953905B2 (en) 2001-05-04 2015-02-10 Legend3D, Inc. Rapid workflow system and method for image sequence depth enhancement
US7956273B2 (en) 2006-07-12 2011-06-07 Master Key, Llc Apparatus and method for visualizing music and other sounds
US20090158916A1 (en) * 2006-07-12 2009-06-25 Lemons Kenneth R Apparatus and method for visualizing music and other sounds
US20110214555A1 (en) * 2006-07-12 2011-09-08 Lemons Kenneth R Apparatus and Method for Visualizing Music and Other Sounds
US7781662B2 (en) 2006-07-12 2010-08-24 Master Key, Llc Apparatus and method for visualizing music and other sounds
US8843377B2 (en) 2006-07-12 2014-09-23 Master Key, Llc System and method for foreign language processing
US20080274443A1 (en) * 2006-07-12 2008-11-06 Lemons Kenneth R System and method for foreign language processing
US20100263516A1 (en) * 2006-07-12 2010-10-21 Lemons Kenneth R Apparatus and method for visualizing music and others sounds
US20080245211A1 (en) * 2007-04-03 2008-10-09 Lemons Kenneth R Child development and education apparatus and method using visual stimulation
US7880076B2 (en) * 2007-04-03 2011-02-01 Master Key, Llc Child development and education apparatus and method using visual stimulation
US7772476B2 (en) 2007-04-03 2010-08-10 Master Key, Llc Device and method for visualizing musical rhythmic structures
US7589269B2 (en) 2007-04-03 2009-09-15 Master Key, Llc Device and method for visualizing musical rhythmic structures
US20090249941A1 (en) * 2007-04-03 2009-10-08 Lemons Kenneth R Device and method for visualizing musical rhythmic structures
US7932454B2 (en) 2007-04-18 2011-04-26 Master Key, Llc System and method for musical instruction
US20080271591A1 (en) * 2007-04-18 2008-11-06 Lemons Kenneth R System and method for musical instruction
US7994409B2 (en) 2007-04-19 2011-08-09 Master Key, Llc Method and apparatus for editing and mixing sound recordings
US20080271589A1 (en) * 2007-04-19 2008-11-06 Lemons Kenneth R Method and apparatus for editing and mixing sound recordings
US8127231B2 (en) 2007-04-19 2012-02-28 Master Key, Llc System and method for audio equalization
US20080270904A1 (en) * 2007-04-19 2008-10-30 Lemons Kenneth R System and method for audio equalization
US8018459B2 (en) 2007-04-20 2011-09-13 Master Key, Llc Calibration of transmission system using tonal visualization components
US20080264241A1 (en) * 2007-04-20 2008-10-30 Lemons Kenneth R System and method for music composition
US7928306B2 (en) 2007-04-20 2011-04-19 Master Key, Llc Musical instrument tuning method and apparatus
US20080276791A1 (en) * 2007-04-20 2008-11-13 Lemons Kenneth R Method and apparatus for comparing musical works
US7932455B2 (en) 2007-04-20 2011-04-26 Master Key, Llc Method and apparatus for comparing musical works
US7935877B2 (en) 2007-04-20 2011-05-03 Master Key, Llc System and method for music composition
US7947888B2 (en) 2007-04-20 2011-05-24 Master Key, Llc Method and apparatus for computer-generated music
US20080275703A1 (en) * 2007-04-20 2008-11-06 Lemons Kenneth R Method and apparatus for identity verification
US7960637B2 (en) 2007-04-20 2011-06-14 Master Key, Llc Archiving of environmental sounds using visualization components
US20080264239A1 (en) * 2007-04-20 2008-10-30 Lemons Kenneth R Archiving of environmental sounds using visualization components
US20080259083A1 (en) * 2007-04-20 2008-10-23 Lemons Kenneth R Calibration of transmission system using tonal visualization components
US20080264240A1 (en) * 2007-04-20 2008-10-30 Lemons Kenneth R Method and apparatus for computer-generated music
US8073701B2 (en) 2007-04-20 2011-12-06 Master Key, Llc Method and apparatus for identity verification using visual representation of a spoken word
US20080264238A1 (en) * 2007-04-20 2008-10-30 Lemons Kenneth R Musical instrument tuning method and apparatus
US20090223348A1 (en) * 2008-02-01 2009-09-10 Lemons Kenneth R Apparatus and method for visualization of music using note extraction
US7875787B2 (en) 2008-02-01 2011-01-25 Master Key, Llc Apparatus and method for visualization of music using note extraction
US7919702B2 (en) 2008-02-01 2011-04-05 Master Key, Llc Apparatus and method of displaying infinitely small divisions of measurement
US20090223349A1 (en) * 2008-02-01 2009-09-10 Lemons Kenneth R Apparatus and method of displaying infinitely small divisions of measurement
US8730232B2 (en) 2011-02-01 2014-05-20 Legend3D, Inc. Director-style based 2D to 3D movie conversion system and method
US9282321B2 (en) 2011-02-17 2016-03-08 Legend3D, Inc. 3D model multi-reviewer system
US9288476B2 (en) 2011-02-17 2016-03-15 Legend3D, Inc. System and method for real-time depth modification of stereo images of a virtual reality environment
US9007365B2 (en) 2012-11-27 2015-04-14 Legend3D, Inc. Line depth augmentation system and method for conversion of 2D images to 3D images
US9547937B2 (en) 2012-11-30 2017-01-17 Legend3D, Inc. Three-dimensional annotation system and method
US9007404B2 (en) 2013-03-15 2015-04-14 Legend3D, Inc. Tilt-based look around effect image enhancement method
US9407904B2 (en) 2013-05-01 2016-08-02 Legend3D, Inc. Method for creating 3D virtual reality from 2D images
US9438878B2 (en) 2013-05-01 2016-09-06 Legend3D, Inc. Method of converting 2D video to 3D video using 3D object models
US9241147B2 (en) 2013-05-01 2016-01-19 Legend3D, Inc. External depth map transformation method for conversion of two-dimensional images to stereoscopic images
US9609307B1 (en) 2015-09-17 2017-03-28 Legend3D, Inc. Method of converting 2D video to 3D video using machine learning

Similar Documents

Publication Publication Date Title
US2804500A (en) Color interpretation system
USRE25169E (en) Colored light system
US2423769A (en) Color television system
US2545325A (en) Color television receiver
US2253292A (en) Color televistion system
US3604852A (en) Apparatus for the visual aesthetic display of sound
US3256386A (en) Aural visual multiplex information display system
US2528510A (en) Color television
US2312792A (en) Color television system
US2545957A (en) Color television pickup system
US2552070A (en) Color television camera
US2884483A (en) Color image pick up apparatus
US2538071A (en) Television system
US2616962A (en) Electrical light-transmission controlling arrangement
US2931855A (en) Stereoscopic color television system
US2705258A (en) Color television camera
GB684664A (en) Colour television image reproduction
US2598941A (en) Color television system
US2634327A (en) Television system
US2752418A (en) Color television indexing system
US4498101A (en) Light valve projection system with improved vertical resolution
US2866847A (en) Sequential-to-simultaneous color signal transformation system
US2830111A (en) Storage type electron tube systems
US4496969A (en) Light valve projection system with improved vertical resolution
US2710309A (en) Color television systems