Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Reexamination Certificate
2002-07-18
2011-10-04
Beck, Alexander S (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Touch panel
14
Reexamination Certificate
active
08031180
ABSTRACT:
A display device with a touch sensor according to the present invention includes an active matrix substrate4A and a transparent counter electrode7. On a first surface of the active matrix substrate, multiple pixel electrodes are arranged in matrix. The transparent counter electrode is opposed to the first surface of the active matrix substrate. The display device further includes a first circuit, a second circuit and a switching circuit. The first circuit supplies a voltage or a current to the transparent counter electrode for display purposes. The second circuit detects currents flowing from a number of points on the transparent counter electrode. And the switching circuit selectively connects electrically one of the first and second circuits to the transparent counter electrode.
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Miyamoto Saburo
Nakano Toshihisa
Beck Alexander S
Nixon & Vanderhye P.C.
Said Mansour M
Sharp Kabushiki Kaisha
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