Method for driving a touch panel device

Details Method for driving a touch panel device Method for driving a touch panel device

2007-04-24

2007-04-24

Tran, Henry N. (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

C178S018010, C178S019010, C178S020010

Reexamination Certificate

active

10740504

ABSTRACT:
A method for driving a touch panel that detects and compensates a double touch includes sequentially inputting coordinate values of touched points on the touch panel at predetermined time intervals, measuring a variation of the inputted coordinate values, determining the inputted coordinate values as a double touch when the measured variation is greater than a predetermined value, and compensating the inputted coordinate values if determined as a double touch.

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patent: 5861874 (1999-01-01), Joto
patent: 6005200 (1999-12-01), Stanchak et al.
patent: 2003/0063073 (2003-04-01), Geaghan et al.
patent: 0 816 992 (1998-01-01), None
patent: 11-65770 (1999-03-01), None

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