Bill acceptor with bill passage anti-light pollution arrangement
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United States of America Patent
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Apr 1, 2014
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N/A
app pub date -
Jan 28, 2013
filing date -
Jan 28, 2013
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Abstract
A bill acceptor capable of reducing light pollution, avoiding errors and faults and enhancing detection accuracy and reliability is disclosed to include a housing defining a bill slot in a face panel thereof, a bill-receiving unit accommodated in the housing and including a holder base defining therein a bill passage in communication with the bill slot, a control module, a transmission mechanism and a recognition circuit assembly, the recognition circuit assembly including a sampling and validating module consisting of a plurality of light emitters and light sensors and controllable by the control module to validate the authenticity and face value of an inserted bill, and privacy filters mounted in a light path in the bill-receiving unit between the bill passage and the light sensors to filtrate external light sources and to let the light emitted by the light emitters pass toward the light sensors.
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