Paper currency fold recognition apparatus and method
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United States of America Patent
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Aug 20, 2019
Grant Date -
Nov 2, 2017
app pub date -
Aug 20, 2015
filing date -
Nov 19, 2014
priority date (Note) -
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Abstract
Provided are a device and method for identifying a paper currency fold. The device includes: a transparent protective body, configured to maintain components in the device to be clean; a laser source, configured to emit laser light a rectangular grating, configured to modulate the laser light into stripes which changes to be bright or dark according to a certain rule on a surface of a paper currency; an area array photoelectric sensor, configured to capture an image; an imaging lens group, configured to converge an image of the surface of the paper currency onto the area array photoelectric sensor; and an information processing module electrically connected with the area array photoelectric sensor, configured to process an image signal captured by the area array photoelectric sensor.
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