WO1992021915A1 - Remote illumination system - Google Patents
Remote illumination system Download PDFInfo
- Publication number
- WO1992021915A1 WO1992021915A1 PCT/US1992/004301 US9204301W WO9221915A1 WO 1992021915 A1 WO1992021915 A1 WO 1992021915A1 US 9204301 W US9204301 W US 9204301W WO 9221915 A1 WO9221915 A1 WO 9221915A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- light
- control circuit
- fiber optic
- remote illumination
- Prior art date
Links
- 238000005286 illumination Methods 0.000 title claims abstract description 60
- 239000000835 fiber Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 4
- 238000009420 retrofitting Methods 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 3
- 230000003467 diminishing effect Effects 0.000 abstract 1
- 239000013307 optical fiber Substances 0.000 description 15
- 238000012423 maintenance Methods 0.000 description 9
- 239000003550 marker Substances 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000036642 wellbeing Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/08—Lighting devices intended for fixed installation with a standard
- F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
- F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/0011—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor with light guides for distributing the light between several lighting or signalling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/32—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating vehicle sides, e.g. clearance lights
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
- F21V21/0816—Strap fasteners, e.g. fasteners with a buckle
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/30—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating rear of vehicle, e.g. by means of reflecting surfaces
- B60Q1/305—Indicating devices for towed vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
- F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
Definitions
- This invention pertains to the art of remote lighting apparatus and more particularly to apparatus for receiving visible light from a single source, and distributing the received light to one or more remote locations.
- the invention is specifically applicable to automatic overhead street lighting systems used by municipalities and also residential consumer products including ornamental and safety lighting systems, and will be described with particular reference thereto.
- the invention may be utilized for commercial or recreational vehicle use, including airplanes, boats, and tractor-trailers, as well as in domestic household indoor/outdoor lighting systems. It will be appreciated, though, that the invention has broader applications such as automatic safety strip lighting applications and other distributed safety or security lighting applications.
- the current overhead lighting apparatus utilized for most street lighting situations employ an electric lamp mounted within a housing having a reflector and a lens.
- the housing is primarily supported by a substantially vertical pole generally constructed of wood or of aluminum with a hollowed center.
- the lamp housing is then generally separated from the vertical pole by a lighter gage horizontal member which effectively distances the support pole from the road surface to ultimately be illuminated.
- Power is typically supplied to the bulb within the housing by electrical wires which run along the interior of the hollowed vertical support and continue toward the housing through the horizontal support member.
- electrical wires which run along the interior of the hollowed vertical support and continue toward the housing through the horizontal support member.
- wiring is strung pole-to-pole when the vertical supports are of the wooden variety.
- a maintenance panel is provided somewhere near the ground level for easy access to the power supply conductors through a portion of the pole when hollow. Maintenance for the overhead bulb requires special equipment regardless of pole type due to the placement of the lamp.
- the present invention contemplates new and improved remote illumination systems which overcome the above-re erenced problems and provide consumers and municipalities with the ability to conveniently and economically maintain the operability of lighting systems which have heretofore demanded special equipment or extraordinary efforts to maintain.
- a remote illumination system for generating light at a remote illumination module and in turn distributing the generated light to at least one distant location.
- the system includes a housing for generating and concentrating visible light.
- Means for transmitting the generated light through a light pipe in the form of optical fiber and means for diffusing the transmitted light at a distant location are in communication with the housing.
- a vertical and hollow fiberglass support pole is provided between the housing and diffusing means.
- monitoring means are provided for sensing ambient light at or near the diffuser to automatically energize the light generating means when the sensed ambient light falls below a predetermined threshold value.
- the system includes a safety switch for de- energizing the entire system when a door providing access to the housing is opened.
- a remote illumination module is provided to generate a single source of visible light for distribution along the body of an overland vehicle, specifically a tractor- trailer.
- the remote illumination module is provided with an ambient light sensor monitor for automatic energization of the illumination module for tractor- trailer marker lamp illumination.
- a primary advantage of the invention resides in the ability to conveniently maintain illumination systems which have heretofore required specialized equipment and/or training. Another advantage of the invention is found in the ability to retro-fit existing illumination systems for use with selected components of the present invention. - 5 -
- Still another advantage of the invention is realized by the cost savings to municipalities and consumers.
- FIGURE 1 is an isometric view of the subject invention showing a remote illumination system
- FIGURE 2 is a detailed sectional view of the safety switch mechanism of the remote illumination module forming a part of the remote illumination system
- FIGURE 3 is a detailed sectional view of the layout of the remote illumination module
- FIGURE 4 is a schematic view of a control circuit forming a part of the remote illumination module of FIGURE 3;
- FIGURE 5 is an isometric view of an alternative embodiment of the remote illumination system adapted for retro-fit onto an existing street lighting system;
- FIGURES 6a and 6b are schematic representations generally illustrating an embodiment of the invention applied to an overland vehicle.
- a remote illumination system A generally divided into three basic functional components including a remote illumination module B, an optical light pipe C, and a distribution head D.
- the optical light pipe C generally comprises a bundle of optical fibers, individual strands of which may be separated from the overall bundle at the end opposite the illumination module, and distributed as required by particular applications.
- the remote illumination system A has a housing or integral cabinet portion 10 which contains a light source and a control circuit.
- the housing may be mounted sufficiently above ground to render its contents tamper-proof with respect to persons not having a small stepladder or similar device.
- the housing may be formed as an integral part of the system and, accordingly, be provided with an appropriate lock mechanism.
- the housing 10 substantially includes an enclosure 12, which contains a control circuit. Also within the housing, a normally open safety switch 14 is mounted stationary with respect to the housing itself, the safety switch having an actuator lever 16 for opening and closing contacts within the switch itself. Actuation of the safety switch may be accomplished using similar mechanical contrivances including sliding pins or the like, or by magnetic proximity sensing means.
- the housing 10 is suitably adapted to receive a drawer 20 along guide rails 18. The drawer 20 is adapted to engage the actuator lever 16 when fully received into the housing 10.
- a connector 22 is provided between the enclosure 12 and various electrical components mounted within the drawer 20.
- the connector provides for easy removal of the drawer 20 and its contents for serviceability.
- the drawer is further provided with a curved reflective surface 24 which may be in the form of a mirror or a metallic reflector.
- the specific contour of the curved reflective surface may be selected according to the end application and may include a parabolic contour by way of example.
- a bulb 26 Suitably received near the center of the reflective surface is a bulb 26 which may be a high-pressure sodium bulb. The bulb is mounted to the drawer by means of a receptacle 28.
- FIGURE 2 a cross-sectional view of the remote illumination module B is illustrated.
- the drawer 20 is shown in its fully closed position (FIGURE 3) contacting the actuator lever 16 of the safety switch 14. With the drawer in the position illustrated in the FIGURE, it can be seen that the bulb 26 is thereby suitably positioned below an end of an optical fiber bundle 42.
- a lens 44 is positioned between the bulb 26 and the optical fiber bundle end 42 to better concentrate the visible light generated by the bulb and directed by the reflective surface 24.
- the surface 24 is shown in FIGURE 3 as being of multiple planar surfaces.
- the lens and the optical fiber bundle are held fixed with respect to the housing by support means 46.
- a passive optical fiber 50 shares the hollow center of the conduit 40 toward the head D of the remote illumination system.
- the passive optical fiber is shown as being received into the enclosure 12 which houses a control circuit (not shown) .
- the drawer 20 is made to selectively slide along path E as shown in FIGURE 2.
- the passive optical fiber 50 shares the hollow center of the conduit 40 toward head D of the remote illumination system as illustrated in FIGURE 1.
- the FIGURE illustrates the preferred embodiment of the arrangement of the head D of the remote illumination system.
- the head is made to extend slightly from the conduit 40, which in the embodiment shown also functions as the vertical support pole in the form of a hollow aluminum tube.
- a lens 52 is provided to port ambient light therethrough and into an end of the passive optical fiber 50. In this manner, ambient light is directed from above the head D, through the passive optical fiber 50, and into the enclosure 12 within the remote illumination module B.
- the end of the fiber optic bundle C furthest away from the remote illumination module B is mounted to the head D as by a support 47.
- the support 47 is arranged similar to the support 46 within the remote illumination module B.
- a diffuser 54 is provided at the head of the system to diffuse the generally parallel rays of light exiting from the optical fiber C.
- the diffuser 54 may be a concave lens or the like.
- a light amplifier (not shown) may be used along the fiber optic cable in order to boost the light intensity at head D.
- the control circuit 60 housed within enclosure 12 is illustrated.
- An AC power source (not shown) energizes the circuit through the normally open safety switch 14 shown in its electrical schematic equivalent as contact set. When the drawer 20 is in its fully closed position, as illustrated in FIGURES 2 and 3, the switch 14 closes, supplying power to the circuit 60.
- a step- down transformer Tl tracks the power source, but at a reduced voltage level.
- a diode bridge comprising diodes D1-D4 rectify the reduced voltage from the transformer Tl and capacitor Cl smooths the rectified voltage through the diode bridge for ready use by a monolithic IC voltage regulator ⁇ l.
- the IC voltage regulator is selected to maintain a fixed voltage level at point P2 despite voltage fluctuations at point PI.
- a capacitor C2 aids the IC regulator in holding fixed the DC output voltage.
- a photoresistor Q2 is used to control the base current into transistor Ql.
- Variable resistor Rl may be adjusted to establish the quiescent point of the circuit to suitably sensitize the circuit according to predetermined light levels received by photoresistor Q2.
- photoresistors are light-sensitive resistors.
- the resistance of the photoresistor remains high when low light levels are applied to it. As the light level applied to the photocell increases, its resistance reduces.
- variable resistor Rl controls the amount of base current supplied to the transistor Ql by way of a voltage divider circuit between the resistance of the photoresistor Q2 and the resistor Rl. With a high level of light applied to the photoresistor, the voltage at the base of transistor Q2 is held low, thus switching Ql off. With a low level of light applied to the photoresistor, the voltage at the base of transistor Q2 increases, thus switching Ql on.
- Relay RLY is sensitive to the current passed by Ql to close its contacts when Ql conducts (at low light levels received by Q2) .
- the contacts of the relay RLY close the circuit effectively connecting the load Ld to the Ac power source through power lines L1,L2 and safety switch 14.
- the tuning resistor Rl Through proper selection of the tuning resistor Rl, the transistor Ql can be made to conduct for a predetermined level of incident light on the photocell.
- the passive optical fiber 50 is made to lie in alignment with the photoresistor Q2 such that ambient light at the head D of the remote illumination system A is permitted to be received by the photoresistor. Conduction of the transistor causes current to flow through the relay to illuminate the bulb 26.
- FIGURE 5 a second preferred embodiment of the remote illumination system of the present invention is shown.
- like elements will be referred to by
- a housing 10' is provided with the internal circuitry and hardware referred to above.
- a set of suitable straps 100 are provided to secure the housing 10 » to a utility pole 110, typically found in residential street lamp installations.
- the vertical position of the housing with respect to ground level is selected to be about 10 feet.
- a plastic conduit 40' or other suitable material encases a fiber optic bundle as of the type described above.
- suitable bands 104 are provided to secure the conduit 40 » to the original pole.
- the original lamp attached to the end of the horizontal support pole 112 must be removed.
- the head D' of the system A' is fixedly attached to the horizontal support pole 112 as by straps 104.
- a conduit 40' is next secured to the horizontal and vertical support poles 110 and 112, respectively, as by straps 104.
- the conduit may be flexible or a pre-formed rigid construction.
- the remote illumination module B' is installed by attaching housing 10' to the vertical support pole 110 using straps 100. Placement of the housing 10» is selected to be far enough above ground level to render the remote illumination module B' tamper-proof.
- the head D is provided with a lens 52 » to port the ambient light above the head to the passive optical fiber (not shown) for use by the control circuit (not shown) within the housing.
- the function of the instant embodiment is as the embodiment described above.
- FIGURES 6a and 6b an alternate embodiment of the invention is shown adapted for use with an overland vehicle, specifically a tractor-trailer.
- the remote illumination module B" is shown conveniently located on a trailer wherein the housing 10" is accessible by an operator without the use of specialized equipment.
- a plurality of heads D" are distributed about the trailer 200 in a manner to duplicate placement of standard marker lights commonly used in existing tractor-trailers and prescribed by law in most states.
- a single head D" is provided with a lens 52" for porting ambient light through passive optical fiber 50" (shown hidden) for use by the control circuit (not shown) within housing 10".
- the optical cable C" (shown hidden) is stranded in the instant embodiment for multiple distribution about the trailer 200, but having a common node within the remote illumination module B" for receipt of visible light from the single light source of the type described above.
- the optical fiber C" may be suitably enclosed within a conduit or within portions of the frame forming the trailer 200.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US704,122 | 1985-02-22 | ||
US07/704,122 US5161874A (en) | 1991-05-22 | 1991-05-22 | Remote illumination system |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1992021915A1 true WO1992021915A1 (en) | 1992-12-10 |
Family
ID=24828166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1992/004301 WO1992021915A1 (en) | 1991-05-22 | 1992-05-21 | Remote illumination system |
Country Status (4)
Country | Link |
---|---|
US (1) | US5161874A (en) |
EP (1) | EP0585389A4 (en) |
AU (1) | AU2010892A (en) |
WO (1) | WO1992021915A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995010732A1 (en) * | 1993-10-12 | 1995-04-20 | Virag S.A. | Light generator with heat shield for lighting or illuminating unit having a light guide |
EP0657685A1 (en) * | 1993-11-12 | 1995-06-14 | General Electric Company | Easy to replace high brightness light source for use with light distribution system |
EP0678704A1 (en) * | 1994-04-06 | 1995-10-25 | INFODATA S.a.s. di PICCIAFOCO ROBERTO & C. | Lamp-post for road lighting |
FR2738622A1 (en) * | 1995-09-13 | 1997-03-14 | Virag Sa | LIGHT SOURCE LIGHTING ASSEMBLY, EQUIPPED WITH A THERMAL CHICANE, AND CANDELABRE INCORPORATING SUCH A LIGHTING ASSEMBLY |
WO2008055694A1 (en) * | 2006-11-09 | 2008-05-15 | Schott Ag | Illumination apparatus |
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US5243500A (en) * | 1991-08-30 | 1993-09-07 | Progressive Dynamics, Inc. | Fiber optic arc lamp system |
US5640155A (en) * | 1992-02-18 | 1997-06-17 | O'connor Springer | Meter cradle with wireless communication port |
US5497295A (en) * | 1993-06-14 | 1996-03-05 | Lumitek Development, Inc. | Lighting system |
US5335160A (en) * | 1993-07-13 | 1994-08-02 | Duraline | Mast-type outdoor lighting system |
US5450302A (en) * | 1993-08-25 | 1995-09-12 | U.S. Army Corps Of Engineers As Represented By The Secretary Of The Army | Exterior high intensity discharge illumination system and method for use |
JP2531362B2 (en) * | 1993-09-20 | 1996-09-04 | 日本電気株式会社 | Installation structure for outdoor communication equipment |
US6019327A (en) * | 1993-09-20 | 2000-02-01 | Nec Corporation | Installation structure of outdoor communication drive |
US5660453A (en) * | 1994-10-19 | 1997-08-26 | Lewis; Gordon C. | Lighting system |
US5483427A (en) * | 1994-10-21 | 1996-01-09 | Dealey, Jr.; O. K. | Cargo area lighting system for trucks |
US5673886A (en) * | 1994-10-26 | 1997-10-07 | Nec Corporation | Installation structure of outdoor communication device |
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US5629996A (en) * | 1995-11-29 | 1997-05-13 | Physical Optics Corporation | Universal remote lighting system with nonimaging total internal reflection beam transformer |
US5842767A (en) * | 1997-03-11 | 1998-12-01 | Farlight Corporation | Highly efficient illuminator and method of use thereof |
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GB8900261D0 (en) * | 1989-01-06 | 1989-03-08 | Powell Michael | Improvements relating to street lamps |
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- 1991-05-22 US US07/704,122 patent/US5161874A/en not_active Expired - Fee Related
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- 1992-05-21 AU AU20108/92A patent/AU2010892A/en not_active Abandoned
- 1992-05-21 EP EP92913196A patent/EP0585389A4/en not_active Ceased
- 1992-05-21 WO PCT/US1992/004301 patent/WO1992021915A1/en not_active Application Discontinuation
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US3048833A (en) * | 1960-05-13 | 1962-08-07 | George W Bernheim | Photoelectric control device for street lights |
US3360640A (en) * | 1964-04-11 | 1967-12-26 | Quarzlampen Gmbh | Surgical illuminating apparatus |
US4410930A (en) * | 1982-02-05 | 1983-10-18 | Gladwin, Inc. | Photo voltaic lighting for outdoor telephone booth |
US4442478A (en) * | 1982-02-19 | 1984-04-10 | Stansbury Benjamin H | Automatically actuated enclosure light |
US4878160A (en) * | 1988-03-11 | 1989-10-31 | Reneau George W | Outdoor lightpole |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995010732A1 (en) * | 1993-10-12 | 1995-04-20 | Virag S.A. | Light generator with heat shield for lighting or illuminating unit having a light guide |
FR2711218A1 (en) * | 1993-10-12 | 1995-04-21 | Virag Sa | Light generator for lighting or illumination apparatus. |
EP0657685A1 (en) * | 1993-11-12 | 1995-06-14 | General Electric Company | Easy to replace high brightness light source for use with light distribution system |
EP0678704A1 (en) * | 1994-04-06 | 1995-10-25 | INFODATA S.a.s. di PICCIAFOCO ROBERTO & C. | Lamp-post for road lighting |
FR2738622A1 (en) * | 1995-09-13 | 1997-03-14 | Virag Sa | LIGHT SOURCE LIGHTING ASSEMBLY, EQUIPPED WITH A THERMAL CHICANE, AND CANDELABRE INCORPORATING SUCH A LIGHTING ASSEMBLY |
WO1997010471A1 (en) * | 1995-09-13 | 1997-03-20 | Virag S.A. | Deflected light source lighting assembly with a heat deflector and lamp post comprising said lighting assembly |
WO2008055694A1 (en) * | 2006-11-09 | 2008-05-15 | Schott Ag | Illumination apparatus |
US8382346B2 (en) | 2006-11-09 | 2013-02-26 | Schott Ag | Illumination apparatus |
Also Published As
Publication number | Publication date |
---|---|
AU2010892A (en) | 1993-01-08 |
EP0585389A1 (en) | 1994-03-09 |
US5161874A (en) | 1992-11-10 |
EP0585389A4 (en) | 1995-08-30 |
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