Coin sensor, effective value calculation method, and coin recognition device
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United States of America Patent
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Issued Date -
Jul 28, 2011
app pub date -
Jan 27, 2011
filing date -
Jan 28, 2010
priority date (Note) -
Abandoned
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Abstract
A thickness/material sensor samples an output signal output from a self-oscillating circuit at a specific sampling interval; acquires sampling data sampled in a specific sampling time period; reduces, among the acquired sampling data, a weight on the sampling data sampled near both ends of the specific sampling time period than a weight on other sampling data and outputs weighted sampling data; and calculates effective values of an output signal in the specific sampling time period from the weighted sampling data.
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