Identification of candidate characters for text input

• US 9,355,090 B2
• Filed: 07/02/2008
• Issued: 05/31/2016
• Est. Priority Date: 05/30/2008
• Status: Active Grant

• Current Assignee: Apple Inc.
• Original Assignee: Apple Inc.
• Inventors: Goldsmith, Deborah Eileen, Collins, Leland Douglas Jr., Chou, Chia-Chi, Vigil, Maria Celia
• Primary Examiner(s): Bukowski, Kenneth
• Application Number:
  US12/167,044
• Publication Number:
  US 20090295737A1
• Time in Patent Office: 2,890 Days
• Field of Search: 345/156, 345/168, 345/171, 345/173, 715264-265, 715/703
• US Class Current: 1/1
• CPC Class Codes: G06F 3/018 Input/output arrangements for oriental characters
• 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 40/129 Handling non-Latin characters, e.g. kana-to-kanji conversion
• CPC Class Codes: G06F 40/274 Converting codes to words; Guess-ahead of partial word inputs

Abstract

Methods, systems, devices, and apparatus, including computer program products, for identifying candidates for text entry. One or more inputs entering one or more characters are received. One or more first candidate characters are identified and presented for the inputs using a first dictionary. One or more second candidate characters related to a respective first candidate character are identified and presented.

Claims

1. A method, comprising:

at a device with a touch-sensitive display, one or more processors, and memory;

receiving a handwritten input for a logographic character with the touch-sensitive display;

identifying and presenting one or more first candidate logographic characters for the handwritten input using a first dictionary; and

identifying and presenting one or more second candidate logographic characters based on a respective first candidate logographic character from among the one or more first candidate logographic characters, wherein the one or more second candidate logographic characters are identified using a mapping in a second dictionary that maps the respective first candidate logographic character to the one or more second candidate logographic characters based on related semantics or meaning of the respective first candidate logographic character.

2. The method of claim 1, wherein the second dictionary, includes mappings from characters in the first dictionary to characters that resemble the characters in the first dictionary.

3. The method of claim 1, wherein identifying and presenting one or more second logographic candidate characters based on the respective first candidate logographic character comprises identifying and presenting one or more extension candidate characters.

4. The method of claim 1, wherein the logographic character is a Chinese character.

5. A device, comprising:

a touch-sensitive display;

one or more processors;

memory; and

one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for;

receiving a handwritten input for a logographic character with the touch-sensitive display;

identifying and presenting one or more first candidate logographic characters for the handwritten input using a first dictionary; and

identifying and presenting one or more second candidate logographic characters based on a respective first candidate logographic character from among the one or more first candidate logographic characters, wherein the one or more second candidate logographic characters are identified using a mapping in a second dictionary that maps the respective first candidate logographic character to the one or more second candidate logographic characters based on related semantics or meaning of the respective first candidate logographic character.

6. The device of claim 5, wherein the second dictionary includes mappings from characters in the first dictionary to characters that resemble the characters in the first dictionary.

7. The device of claim 5, wherein identifying and presenting one or more second logographic candidate characters based on the respective first candidate logographic character comprises identifying and presenting one or more extension candidate characters.

8. The device of claim 5, wherein the logographic character is a Chinese character.

9. A non-transitory computer-readable medium storing one or more programs, the one or more programs comprising instructions, which when executed by a device with a touch-sensitive display, cause the device to:

receive a handwritten input for a logographic character with the touch-sensitive display;

identify and present one or more first candidate logographic characters for the handwritten input using a first dictionary; and

identify and present one or more second candidate logographic characters based on a respective first candidate logographic character from among the one or more first candidate logographic characters, wherein the one or more second candidate logographic characters are identified using a mapping in a second dictionary that maps the respective first candidate logographic character to the one or more second candidate logographic characters based on related semantics or meaning of the respective first candidate logographic character.

10. The computer-readable medium of claim 9, wherein the second dictionary includes mappings from characters in the first dictionary to characters that resemble the characters in the first dictionary.

11. The computer-readable medium of claim 9, wherein identifying and presenting one or more second logographic candidate characters based on the respective first candidate logographic character comprises identifying and presenting one or more extension candidate characters.

12. The computer-readable medium of claim 9, wherein the logographic character is a Chinese character.