MAGNETISM DETECTION DEVICE, COIN RECOGNITION DEVICE, AND METHOD FOR DETECTING MAGNETISM USING MAGNETISM DETECTION DEVICE
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United States of America Patent
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Apr 9, 2020
app pub date -
Mar 22, 2018
filing date -
Mar 29, 2017
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Abstract
A magnetism detection device capable of improving the ability to detect magnetic features of coins and reducing a change in outputs due to a change in transport positions of coins, a coin recognition device, and a method for detecting magnetism using the magnetism detection device. The magnetism detection device includes a transport path on which a coin is to be transported, detection coils arranged on at least one side of a transport surface of the transport path and along a direction crossing a transport direction of the coin, and a controller configured to detect a magnetic feature of the coin based on an output signal from at least one but not all of the detection coils.
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