U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

US Patent Application 20090085874 - TOUCH SCREEN DEVICE AND CHARACTER INPUT METHOD THEREIN

Application 20090085874 Filed on September 19, 2008. Published on April 2, 2009

Inventors

US Classes

345/169, Portable (i.e., handheld, calculator, remote controller)345/173, Touch panel715/815Sizing modification (e.g., scaling)

Attorney, Agent or Firm

Foreign Documents

  • 10-2007-0099473 KR 10/02/2007

International Classes

G06F 3/02
G06F 3/041


Abstract text


A device, computer program product and method of inputting a character in a touch screen device, in which a touch area is partitioned into a plurality of array positions, and one or more letters are assigned to each of the partitioned array positions. The method comprises the steps of: partitioning a touch area of the touch panel into a plurality of array positions and assigning one or more characters to each of the partitioned array positions; sensing an expansion event of selecting one among the array positions; dividing the touch area into a plurality of selection positions and assigning the characters assigned to the array position selected by the expansion event to the respective selection positions; sensing a selection event of selecting one among the selection positions; and recognizing the character assigned to the selection position selected by the selection event as an input character.

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