Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Reexamination Certificate
2005-06-21
2005-06-21
Shalwala, Bipin (Department: 2673)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Touch panel
C345S156000, C345S157000, C345S174000, C178S018010, C178S018030, C178S018070, C178S019010, C178S019030, C178S020010, C340S870360, C341S005000, C341S015000
Reexamination Certificate
active
06909426
ABSTRACT:
The purpose of the present invention is to reduce power consumption caused by controlling circuit in transmitting/receiving process between tablet system and cord less-battery less pointer apparatus. The present invention provides multi-channel switches set produced in semi-conductor process to replace traditional analog switch and tri-state element used in prior art as signal transmitting/receiving selector of inductive loops of tablet, which can simplify controlling circuit, enhance power efficiency of signal transmitting/receiving between tablet system and cord less and cell less pointer apparatus, and increase speed of response of signal transmitting/receiving between tablet and cord less-battery less pointer apparatus.
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patent: 5530210 (1996-06-01), Fukuzaki
Chao Ching-Chuan
Hsu Chung-Wen
Aiptek International Inc.
Cheng Clement
Kovalick Vincent E.
Shalwala Bipin
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