Method and apparatus for avoiding pressing inaccuracies on a...

Telegraphy – Systems – Position coordinate determination for writing

Reexamination Certificate

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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.

REFERENCES:
patent: 5999279 (1999-12-01), Kouzaki et al.
patent: 6043810 (2000-03-01), Kim et al.
patent: 6215477 (2001-04-01), Morrison et al.
patent: 6370067 (2002-04-01), Ko et al.
patent: 2004/0251402 (2004-12-01), Reime

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