Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Reexamination Certificate
2003-06-27
2008-10-21
Tran, Henry N (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Touch panel
C178S018010, C178S018030, C178S019010, C178S019040, C178S020010
Reexamination Certificate
active
07439961
ABSTRACT:
A driving apparatus of a touch panel includes a touch panel for generating a coordinate signal according to a position of a contact point, at least two interface integrated circuits connected to the touch panel, a computer system driving the touch panel and connected to any one of the at least two interface integrated circuits, a sensor for automatically detecting the interface integrated circuit connected to the computer system, and a controller for converting the coordinate signal in accordance with the interface integrated circuit detected at the sensor and transmitting the converted coordinate signal to the computer system.
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patent: 1139235 (1997-01-01), None
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Communication from Chinese Patent Office.
LG Display Co. Ltd.
McKenna Long & Aldridge LLP
Tran Henry N
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