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公开(公告)号：US11270545B2
公开(公告)日：2022-03-08
申请号：US16717908
申请日：2019-12-17
发明人： Chia-Min Chang , Hung-Yi Chang , Dong-Ying Yang
摘要： A coin dispenser is disclosed to use a dialing rod of a dialing device of a coin dispensing unit to push one side of the peripheral edge of one metal coin so that the other side of the peripheral edge of the metal coin will push two coin-stopping columns of one spring plate of the coin dispensing unit, causing the two coin-stopping columns to slide along the peripheral edge of the metal coin, and thus, when the metal coin crosses two coin-stopping columns, the metal coin is sent out of the coin outlet, achieving the effect of dispensing one metal coin at one time.
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公开(公告)号：US09940770B1
公开(公告)日：2018-04-10
申请号：US15420493
申请日：2017-01-31
发明人： Chia-Min Chang , Shao-Po Chan , Ming-Hua Tsou , Wei Chiu , Yuan-Chun Wang , Hang-Chih Hsu
摘要： A coin acceptor includes main body having coin dispenser mounted therein, coin tubes mounted in the main body and disposed at the bottom side of the coin dispenser, and sensing device including multiple optical sensor modules respectively aimed at the coin tubes. The distance between each optical sensor module and the coins in the respective coin tube is calculated by: measuring the time taken for the reflected light to travel from the coins in the respective coin tube to the proximity sensor of the respective optical sensor module and then multiplying the time thus measured by the speed of light. The number of coins in each coin tube is calculated by: deducting the distance between the respective optical sensor module and the coins in the respective coin tube from the pre-measured depth of the empty coin tube, and then dividing the reminder thus obtained by the thickness of single coin.
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