IMAGE SENSOR AND METHOD FOR DETECTING COUNTERFEIT BILL
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United States of America Patent
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Issued Date -
Sep 16, 2010
app pub date -
Mar 12, 2010
filing date -
Mar 13, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An image sensor for detecting a counterfeit bill includes an ultraviolet ray emitting section for emitting ultraviolet rays to a bill to be checked; an image sensor section for acquiring a first image as an image obtained by photographing the bill to be checked in a state in which ultraviolet rays are not emitted by turning off the ultraviolet ray emitting section, and a second image as an image obtained by photographing the bill to be checked in a state in which ultraviolet rays are emitted by turning on the ultraviolet ray emitting section; a storing section for storing the first image and the second image; and a counterfeit bill detecting section for extracting a fluorescent image by removing the first image from the second image stored in the storing section and determining whether the bill to be checked is a counterfeit bill or an original bill.
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