Input device, electronic apparatus, and method for driving input device
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United States of America Patent
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N/A
Issued Date -
Feb 10, 2005
app pub date -
Jul 1, 2004
filing date -
Jul 28, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
To provide an input device, an electronic device, and a method for driving an input device where an increase in the amount of processed information is restricted to make processing systems simple, an input device includes a plurality of capacitive sensing circuits arranged in a matrix and an amp circuit to output detected information from the capacitive sensing circuits. An output processing section performs a plurality of field scans to read fingerprint information from the capacitive sensing circuits and thereby identify particular capacitive sensing circuits to acquire detected information necessary for processing.
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