Wireless handheld device able to accept text input and methods for inputting text on a wireless handheld device

• US 9,229,635 B2
• Filed: 09/16/2008
• Issued: 01/05/2016
• Est. Priority Date: 10/26/2007
• Status: Active Grant

• Current Assignee: Creative Technology Ltd.
• Original Assignee: Creative Technology Ltd.
• Inventors: Sim, Wong Hoo
• Primary Examiner(s): Lubit, Ryan A
• Application Number:
  US12/739,728
• Publication Number:
  US 20100245276A1
• Time in Patent Office: 2,667 Days
• Field of Search: 345156-178, 434/116
• US Class Current: 1/1
• CPC Class Codes: G06F 3/0236 using selection techniques to select from displayed items
• CPC Class Codes: G06F 3/04883 for inputting data by handwriting, e.g. gesture or text
• CPC Class Codes: G06F 3/04886 by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
• CPC Class Codes: G06F 3/167 Audio in a user interface, e.g. using voice commands for navigating, audio feedback

Abstract

A wireless handheld device able to accept text input, including a display screen and a virtual keypad having a plurality of keys displayed on the display screen, wherein a first key of the virtual keypad is operable to display a first character associated with the first key in a text passage shown on the display screen in response to a first contact of a pointer with a first area on the display screen corresponding to the first key, the first contact including the pointer contacting and moving from the first area along a first direction while the pointer is in continual contact with the display screen, and wherein the first key of the virtual keypad is also operable to display a second character associated with the first key in the text passage shown on the display screen in response to a second contact of the pointer with the first area the display screen corresponding to the first key, the second contact including the pointer contacting and moving fro the first area along a second direction while the pointer is in continual contact with the display screen.

Claims

1. A wireless handheld device able to accept text input, the device including:

a display screen; and

a virtual keypad having a plurality of keys displayed on the display screen;

wherein a first key of the virtual keypad is operable to display a first character associated with the first key in a text passage shown on the display screen in response to a first contact of a pointer with a first area on the display screen corresponding to the first key, the first contact including the pointer contacting and moving from the first area along a first direction while the pointer is in continual contact with the display screen;

wherein the first key of the virtual keypad is also operable to display a second character associated with the first key in the text passage shown on the display screen in response to a second contact of the pointer with the first area on the display screen corresponding to the first key, the second contact including the pointer contacting and moving from the first area along a second direction while the pointer is in continual contact with the display screen;

wherein the device provides feedback for a user in a manner so as to allow a user to input at least one of the first and second characters into the device without viewing the display screen, the feedback being an aural representation of at least one of the first and second characters, aural representation being based at least on continual contact of the pointer with the display screen when moved from the first area along the second direction, and

wherein each key is associable with one of a tone and rhythm, and aural representation includes generating a portamento variation of the tone or rhythm during contact occurrence movements from each key.

2. The device of claim 1, wherein the pointer is an object selected from the group consisting of:

a finger, and a stylus pointer.

3. The device of claim 1, wherein the directions are determined by comparing a subsequent location of the pointer with the first area on the display screen.

4. The device of claim 1 being selected from the group consisting of:

mobile phone, media player, remote controller, and PDA.

5. The device of claim 1, further including at least one physical marker to aid a user in grasping the device when inputting text, the at least one physical marker selected from the group consisting of:

a variation in feel on a case of the device, a notch on the display screen, a depression on the display screen, and a rough surfaced area on the display screen and receptors on the case as a guide for fingers.

6. The device of claim 1, further including a “

key location”

mode to accurately locate a first key and input text using the virtual keypad after de-activation of the “

key location”

mode by referencing other keys of the virtual keypad with the first key.

7. A wireless handheld device able to accept text input, the device including:

a display screen; and

a virtual keypad having a plurality of keys displayed on the display screen;

wherein a first key of the virtual keypad is operable to present a selection of characters associated with the first key for use in a text passage shown on the display screen in response to a first contact occurrence of a pointer with a first area on the display screen corresponding to the first key, contact occurrence being prolonged unbroken contact with the first key;

wherein a character from the selection of characters is selected in response to an action of the pointer;

wherein the device provides feedback for a user in a manner so as to allow a user to input characters from the selection of characters into the device without viewing the display screen, the feedback being an aural representation of a character from the selection of characters, aural representation being based at least on continual contact of the pointer with the display screen when moved from the first area along the second direction, and

wherein each key is associable with one of a tone and rhythm, and aural representation includes generating a portamento variation of the tone or rhythm during contact occurrence movements from each key.

8. The device of claim 7, wherein the presentation of the selection of characters is either by displaying the selection on an available portion of the display screen, or by reading out the characters in the selection to a user.

9. The device of claim 8, wherein the action to select a character in the display of the selection is by contacting the character using the pointer.

10. The device of claim 8, wherein the action to select a character in the reading of the selection is by breaking contact of the pointer with the first key.

11. A method for inputting text on a handheld wireless device including a display screen, and a virtual keypad having a plurality of keys displayed on the display screen, the method including:

detecting a first contact with a pointer at a first area on the display screen corresponding to a first key, the first contact including the pointer contacting and moving from the first area along a first direction while the pointer is in continual contact with the display screen;

displaying a first character associated with the first key in a text passage shown on the display screen in response to detection of the first contact;

detecting a second contact with the pointer at the first area on the display screen corresponding to the first key, the second contact including the pointer contacting and moving from the first area along a second direction while the pointer is in continual contact with the display screen;

displaying a second character associated with the first key in a text passage shown on the display screen in response to detection of the second contact; and

providing feedback for a user in a manner so as to allow a user to input at least one of the first and second characters into the device without viewing the display screen, the feedback being an aural representation of at least one of the first and second characters, aural representation being based at least on continual contact of the pointer with the display screen when moved from the first area along the second direction,

wherein each key is associable with one of a tone and rhythm, and aural representation includes generating a portamento variation of the tone or rhythm during contact occurrence movements from each key.

12. The method of claim 11, wherein the directions are determined by comparing a subsequent location of the pointer with the first area on the display screen.

13. The method of claim 11, further including grasping the device for inputting text with the aid of at least one physical marker, the at least one physical marker selected from the group consisting of:

a variation in feel on a case of the device, a notch on the display screen, a depression on the display screen, and a rough surfaced area on the display screen and receptors on the case as a guide for fingers.

14. The method of claim 11, further including locating a first key during a “

key location”

mode so as to input text using the virtual keypad after de-activation of the “

key location”

mode by referencing other keys of the virtual keypad with the first key.

15. A method for inputting text on a handheld wireless device including a display screen, and a virtual keypad having a plurality of keys displayed on the display screen, the method including:

detecting a first contact occurrence with a pointer at a first area on the display screen corresponding to a first key, contact occurrence being prolonged unbroken contact with the first key;

presenting a selection of characters associated with the first key for use in a text passage shown in response to either detection of the first contact occurrence or detection of a primary action;

selecting a character from the selection of characters in response to an action of the pointer; and

providing feedback for a user in a manner so as to allow a user to input characters from the selection of characters into the device without viewing the display screen, the feedback being an aural representation of a character from the selection of characters, aural representation being based at least on continual contact of the pointer with the display screen when moved from the first area along the second direction,

wherein each key is associable with one of a tone and rhythm, and aural representation includes generating a portamento variation of the tone or rhythm during contact occurrence movements from each key.

16. The method of claim 15, wherein the presentation of the selection of characters is either by displaying the selection on an available portion of the display screen, or by reading out the characters in the selection to a user.

17. The method of claim 16, wherein the action to select a character in the display of the selection is by contacting the character using the pointer.

18. The method of claim 16, wherein the action to select a character in the reading of the selection is by breaking contact of the pointer with the first key.

19. The method of claim 15, wherein the primary action includes the pointer contacting and moving from the first area along either a clock wise or anti-clock wise arc while the pointer is in continual contact with the display screen.

20. The method of claim 19, wherein the selection of characters associated with the first key are read out sequentially in an order determined by a distance of the pointer to each of the characters denoted in the first key, where the character closest to the pointer is read out.

21. The method of claim 20, wherein the action to select a character in the reading of the selection is selected from the group consisting of:

the pointer breaking contact with the first key and contacting the first key again, the pointer pressing further onto the first key, and the user toggling a confirmation button which is incorporated in the handheld wireless device.