CA2409915C - Electronic device having keyboard for thumb typing - Google Patents

Electronic device having keyboard for thumb typing Download PDF

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Publication number
CA2409915C
CA2409915C CA2409915A CA2409915A CA2409915C CA 2409915 C CA2409915 C CA 2409915C CA 2409915 A CA2409915 A CA 2409915A CA 2409915 A CA2409915 A CA 2409915A CA 2409915 C CA2409915 C CA 2409915C
Authority
CA
Canada
Prior art keywords
user input
input device
symbols
character
predetermined
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 - Fee Related
Application number
CA2409915A
Other languages
French (fr)
Other versions
CA2409915A1 (en
Inventor
Jason T. Griffin
Norman M. Ladouceur
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.)
BlackBerry Ltd
Original Assignee
Research in Motion Ltd
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 Research in Motion Ltd filed Critical Research in Motion Ltd
Priority to US10/282,776 priority Critical patent/US20040080487A1/en
Priority to CA2409915A priority patent/CA2409915C/en
Publication of CA2409915A1 publication Critical patent/CA2409915A1/en
Application granted granted Critical
Publication of CA2409915C publication Critical patent/CA2409915C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • G06F3/0219—Special purpose keyboards
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1662—Details related to the integrated keyboard
    • G06F1/1664—Arrangements for ergonomically adjusting the disposition of keys of the integrated keyboard
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
    • G06F3/0233—Character input methods
    • G06F3/0236—Character input methods using selection techniques to select from displayed items
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
    • H04M1/72436—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages for text messaging, e.g. SMS or e-mail
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/70—Details of telephonic subscriber devices methods for entering alphabetical characters, e.g. multi-tap or dictionary disambiguation

Abstract

An electronic device that includes an electronic display screen having a first display area for displaying a first set of a plurality of selectable symbols and a second display area for displaying a second set of a plurality of selectable symbols, a first user input device for selecting symbols from the first set, the first user input device generating a first selection signal in response to force applied thereto, and a second user input device for selecting symbols from the second set, the second user input device generating a second selection signal in response to force applied thereto. A processor is connected to the display screen and the first and second input devices for causing one of the symbols in the first set to be visually highlighted in the first display area in response to the first selection signal and one of the symbols in the second set to be visually highlighted in the second display area in response to the second selection signal.

Claims (32)

1. An electronic device comprising:
an electronic display screen having a first display area for displaying a first set of symbols and a second display area for displaying a second set of symbols, with X
and Y directions parallel to the screen's surface;
a first user input device for selecting symbols from the first set, by generating a first selection signal indicating the X or Y direction of force applied thereto;
a second user input device for selecting symbols from the second set, by generating a second selection signal indicating the X or Y direction of force applied thereto; and a processor connected to the display screen and the first and second input devices, configured to select which symbol in the first set to highlight based on the direction indicated by the first selection signal and further configured to select which symbol in the second set to highlight based on the direction indicated by the second selection signal.
2. The device of claim 1 wherein the first user input device and the second user input device each sense in at least two dimensions a direction of a force applied thereto and said first selection signal and said second selection signal each include corresponding directional force information.
3. The device of claim 2 wherein each of the symbols in the first set and each of the symbols in the second set are displayed in predetermined display locations in the first and second display areas respectively, the processor associating each of the symbols in the first set to directional force information from the first input device and the symbols in the second set to directional force information from the second input device.
4. The device of claim 3 wherein the processor associates each of the symbols in the first set with unique directional force information from the first input device that corresponds to the relative display locations of the symbols in the first set, and the processor associates each of the symbols in the second set with unique directional force information from the second input device that corresponds to the relative display locations in the second set.
5. The device of claim 4 wherein the first set includes alphabetic characters associated with left hand typing in a conventional QWERTY layout and the second set includes alphabetic characters associated with right hand typing in a conventional QWERTY layout.
6. The device of claim 1 wherein the display screen includes a further display area for inputted symbols, the processor configured to display a symbol highlighted in either the first or second display areas in the further display area as an inputted symbol upon receiving a predetermined user input to input the symbol.
7. The device of claim 6 wherein the predetermined user input for inputting a symbol highlighted in the first display area includes a force having predetermined characteristics applied to the second user input device and the predetermined user input for inputting a symbol highlighted in the second display area includes a force having predetermined characteristics applied to the first user input device.
8. The device of claim 6 wherein the predetermined user input for inputting a symbol highlighted in the first display area includes a force having predetermined characteristics applied to the first user input device and the predetermined user input for inputting a symbol highlighted in the second display area includes a force having predetermined characteristics applied to the second user input device.
9. The device of claim 6 further including a further user input device operatively connected to the processor for providing the predetermined user input for inputting a symbol highlighted in either the first or second display areas.
10. The device of claim 1 wherein the first user input device includes a first thumb actuated physical interface and a first sensing device for sensing in a plurality of directions lateral force applied to the first thumb actuated physical interface, said first selection signal including directional information of a sensed lateral force applied to the first physical interface, and the second user input device includes a second thumb actuated physical interface and a second sensing device for sensing in a plurality of directions lateral force applied to the second thumb actuated physical interface, said second selection signal including directional information of a sensed lateral force applied to the second physical interface.
11. The device of claim 10 wherein the first and second sensing devices each include analog sensing means for sensing analog characteristics of forces applied to the first and second physical interfaces respectively, the device including control logic for converting the sensed analog characteristics to the first and second selection signals.
12. The device of claim 11 wherein the first and second thumb actuated physical interfaces each include a paddle, the analog sensing means including strain gauges arranged to sense forces applied to the paddles.
13. The device of claim 10 wherein the first and second sensing devices each include a plurality of discrete binary switches activated by physical manipulation of the first and second physical interfaces.
14. The device of claim 10 wherein the first set includes alphabetic characters associated with left hand typing in a conventional QWERTY layout and the second set includes alphabetic characters associated with right hand typing in a conventional QWERTY layout.
15. The device of claim 14 wherein the first and second thumb actuated physical interfaces are each biased to a home position when no forces above predetermined thresholds are applied thereto, the directional information in the first and second selection signals being relative to the home positions of the first and second thumb actuated physical interfaces, respectively.
16. The device of claim 15 wherein the alphabetic characters in the first and second display areas are each arranged in predetermined two dimensional arrays, the processor causing a predetermined centrally located symbol in the array of first display area to be visually highlighted when the first thumb actuated device is in its home position, and a predetermined centrally located symbol in the array of the second display area to be visually highlighted when the second thumb actuated device is in its home position, the processor highlighting characters in the first and second display areas corresponding to directional forces applied to the first and second thumb actuated devices relative to the home positions thereof.
17. The device of claim 16 wherein the predetermined centrally located symbol in at least one of the first and second display areas is a symbol that corresponds to a "space" character.
18. The device of claim 1 wherein a common selection signal from the first user input device is associated with a plurality of possible symbols from the first set, and a common selection signal from the second user input device is associated with a plurality of possible symbols from the second set, the processor having a predictive application associated therewith for predicting, based on previously highlighted symbols, which symbol to highlight from the plurality of possible symbols in the first and second sets, respectively, in response to the common selection signals.
19. The device of claim 1 wherein the processor is configured to change the selectable symbols displayed in the first and second sets in response to a user instruction.
20. The device of claim 1 wherein the first set and the second set of symbols each include a plurality of alphabetic characters, and the first user input device and second user input device each include a plurality of discrete binary switches each corresponding to a plurality of alphabetic characters for providing input signals, the processor having an associated keystroke interpreter for receiving the input signals from the plurality of discrete binary switches and employing a predictive text routine for mapping the received inputs to alphabetic characters for highlighting as selected symbols in the first and second display areas.
21. The device of claim 1 wherein the device is a portable device including a case having a front and back joined by peripheral sides; the display screen, first and second user input devices and processor being housed in the case with the display screen display areas being visible at the front of the case; the first and second user input devices each having thumb actuatable portions present on the front of the case;
the device having dimensions permitting a user to support the back of the device with fingers of the user's left and right hands simultaneously while the user's left and right thumbs manipulate the thumb actuatable portions of the first and second user input devices respectively.
22. The device of claim 1 wherein the first and second user input devices are housed in a hand held controller that is remotely located from a microprocessor.
23. The device of claim 1 wherein a microprocessor is configured to accept a highlighted symbol as an inputted symbol upon receiving a predetermined user input, the second set of selectable symbols displayed in the second display area being determined by a microprocessor based on symbols inputted from the first set.
24. The device of claim 23 wherein at least some of the symbols in the first set are sub-components of at least some of the symbols in the second set.
25. A method of selecting characters for input to an electronic device, comprising the steps of:
a) displaying on an electronic display screen a first set of selectable characters in a first area of the display screen;
b) displaying on the electronic display screen a second set of selectable characters in a second area of the display screen, with X and Y directions parallel to the screen's surface;
c) visually highlighting in the first area a selected character in the first set based on the X or Y direction of a force applied to the first input device;
and d) visually highlighting in the second area a selected character in the second set based on the X or Y direction of a force applied to the first input device.
26. The method of claim 25 further including a step of:
a) accepting a visually highlighted character as an inputted character when a predetermined user input is received and displaying the inputted character in a third area of the display screen.
27. The method of claim 26 including using a first thumb to manipulate the first input device to provide the directional signal therefrom and using a second thumb to manipulate the second input device to provide the directional signal therefrom.
28. The method of claim 26 wherein the first set includes alphabetic characters associated with left hand typing in a conventional QWERTY layout and the second set includes alphabetic characters associated with right hand typing in a conventional QWERTY layout.
29. A computer program product comprising a computer readable medium carrying program code means for selecting characters for input to an electronic device, the program code means including means for:
a) displaying on an electronic display screen a first set of selectable characters in a first area of the display screen;
b) displaying on the electronic display screen a second set of selectable characters in a second area of the display screen, with X and Y directions parallel to the screen's surface;
c) visually highlighting in the first area a selected character in the first set based on the X or Y direction of a force applied to the first input device;
d) visually highlighting in the second area a selected character in the second set based on the X or Y direction of a force applied to the first input device; and e) accepting a visually highlighted character as an inputted character when a predetermined user input is received and displaying the inputted character in a third area of the display screen.
30. An electronic device comprising:
an electronic display screen having a first selectable text display area for displaying a plurality of selectable alphabetic characters in a two dimensional array, and a working text display area for displaying characters selected as input from the characters displayed in the first selectable text display area;
a first user input device for selecting characters in the selectable text display area, the first user input device responsive to force applied thereto to generate a first selection signal that indicates X and Y directions of a force applied thereto relative to a biased resting position of the first user input device; and a processor operatively connected to the display screen and connected to receive first selection signals from the first user input device, for:
i) mapping the first selection signal associated with the resting position of the first user input device to a predetermined home character located in a central position in the two dimensional array of selectable characters, and mapping the first selection signal to the selectable characters around the predetermined home character based on the display locations of the selectable characters relative to the predetermined home character;
ii) signalling the display screen to visually highlight in the first selectable text area a character selected based on the X and Y directions of the force in response to the first selection signal according to the mapping; and iii) inputting the highlighted character in response to force applied in the Z direction for the inputted character to be displayed in the working text display area.
31. The device of claim 30 wherein the display screen includes a second selectable text display area for displaying a further plurality of selectable alphabetic characters in a further two dimensional array, the device including a second user input device for selecting characters in the second selectable text display area, the second user input device responsive to force applied thereto in a plurality of directions to generate a second selection signal that indicates a direction of a force applied thereto relative to a biased resting position thereof; the processor connected to receive the second selection signal from the second user input device, for:
i) mapping the second selection signal associated with the resting position of the second user input device to a further predetermined home character located in a central position in the further two dimensional array of selectable characters and mapping the second selection signal to the selectable characters around the further predetermined home character in the further two dimensional array based on their display locations relative to the further predetermined home character;
ii) signalling the display screen to visually highlight in the further two dimensional array a selected character in response to the second selection signal according to the mapping; and iii) signalling the display screen to display a selected character in the working text display area as an input character upon receiving a further user input when the selected character is visually highlighted in the further two dimensional array.
32. The device of claim 31 wherein first selectable text display area displays alphabetic characters associated with left hand typing in a conventional QWERTY
layout and the second selectable text display area displays alphabetic characters associated with right hand typing in a conventional QWERTY layout.
CA2409915A 2002-10-29 2002-10-29 Electronic device having keyboard for thumb typing Expired - Fee Related CA2409915C (en)

Priority Applications (2)

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US10/282,776 US20040080487A1 (en) 2002-10-29 2002-10-29 Electronic device having keyboard for thumb typing
CA2409915A CA2409915C (en) 2002-10-29 2002-10-29 Electronic device having keyboard for thumb typing

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US10/282,776 US20040080487A1 (en) 2002-10-29 2002-10-29 Electronic device having keyboard for thumb typing
CA2409915A CA2409915C (en) 2002-10-29 2002-10-29 Electronic device having keyboard for thumb typing

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