Adaptive input method for touch screen

• US 20070075978A1
• Filed: 10/27/2005
• Published: 04/05/2007
• Est. Priority Date: 09/30/2005
• Status: Abandoned Application

• Current Assignee: Primax Electronics Limited
• Original Assignee: Primax Electronics Limited
• Inventors: Chung, Kuo-Hua
• Application Number:
  US11/260,702
• Publication Number:
  US 20070075978A1
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G06F 3/0237 using prediction or retrieval techniques

Abstract

An adaptive input method for a touch screen is provided. A keyboard frame having a plurality of possible keys is on the touch screen, wherein the contents of the possible keys are determined according to the type of a preceding data inputted via the keyboard frame. A character is displayed on the touch screen when a corresponding handwriting is written on the keyboard frame.

Claims

1. An adaptive input method for a touch screen, comprising steps of:

displaying a keyboard frame having a plurality of possible keys on said touch screen, wherein the contents of said possible keys are determined according to the type of a preceding data inputted via said keyboard frame, and

displaying a character on said touch screen when a corresponding handwriting is written on said keyboard frame.

2. The adaptive input method according to claim 1 wherein said keyboard frame includes an alphabetical keyboard frame for displaying plural lowercase letters, a numeric keyboard frame for displaying plural numbers or a symbolic virtual keyboard for indicating punctuation marks.

3. A handheld electronic device comprising:

a touch screen for inputting data therevia; and

an input control unit for displaying a keyboard frame having a plurality of possible keys on said touch screen, wherein the contents of said possible keys are determined according to the type of a preceding data inputted via said keyboard frame, and displaying a character on said touch screen when a corresponding handwriting is written on said keyboard frame.

4. The handheld electronic device according to claim 3 wherein said handheld electronic device is a mobile phone.

5. The handheld electronic device according to claim 3 wherein said handheld electronic device is a personal digital assistant (PDA).