Telegraphy – Systems – Position coordinate determination for writing
Reexamination Certificate
2006-09-12
2006-09-12
Shalwala, Bipin (Department: 2677)
Telegraphy
Systems
Position coordinate determination for writing
C345S178000, C345S180000
Reexamination Certificate
active
07105752
ABSTRACT:
A method and apparatus for avoiding pressing inaccuracies on a touch panel. The touch panel includes a panel, a control module having an analog-to-digital converter (ADC) and a delay buffer, and a processor, the delay buffer able to buffer a trigger signal for interrupting the processor. The method includes sequentially receiving a plurality of analog signals generated by the panel when the panel is touched with the control module, transforming the plurality of analog signals into a plurality of corresponding digital signals and transmitting the plurality of digital signals to the processor with the analog-to-digital converter, neglecting a first m digital signals of the plurality of digital signals, and neglecting a last n digital signals of the plurality of digital signals, where m and n are integers with values equal to or larger than 1.
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patent: 6215477 (2001-04-01), Morrison et al.
patent: 6370067 (2002-04-01), Ko et al.
patent: 2004/0251402 (2004-12-01), Reime
Lan Wei-Tun
Tsai Jung-Yuan
Tsai Wan-Ting
High Tech Computer Corp.
Hsu Winston
Shalwala Bipin
Shapiro Leonid
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