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1. 发明授权

US08910936B2 Bill position correction method using the characteristic of step loss of step motor 有权
标题翻译：比例位置校正方法采用步进电机步进损耗特性
公开(公告)号：US08910936B2
公开(公告)日：2014-12-16
申请号：US13867882
申请日：2013-04-22
申请人： International Currency Technologies Corporation
发明人： Ming-Hua Tsou , Shao-Kai Chang , Fong-Cheng Wei
IPC分类号： B65H7/02 , B65G47/24
CPC分类号： B65G47/24 , B65H7/10 , B65H9/101 , B65H2404/732 , B65H2404/733 , G07D11/0027
摘要： When a bill is inserted into the bill acceptor, sensor components sense the insertion of bill, bill-pressing roller set of bill transmission mechanism is driven to press bill, bill-transfer roller set is driven to transfer bill the bill-pressing roller set is released from the bill, and step motors of alignment correction unit are controlled to move correction devices toward each other to align the bill with the center line of bill passage subject to a predetermined number of steps. If the resistance force from bill is larger than the thrust force produced during rotation of step motors, utilize the step loss status of step motors and enable transmission devices to move correction devices away from bill when the rotation of step motors reaches the predetermined number of steps, and then enable bill-pressing roller set to press bill again and then enable bill-transfer roller set to transfer bill.
摘要翻译：当纸币插入纸币接收器时，传感器部件感测纸币的插入，纸币传送机构的纸币压纸辊组被驱动到纸币，纸币转印辊组被驱动以转印纸币，纸币压纸辊组是控制对准校正单元的步进电动机，使校正装置朝向彼此移动，使纸币与纸币通道的中心线对准预定的步数。如果来自纸币的阻力大于步进电机转动期间产生的推力，则利用步进电机的失步状态，当步进电机的转动达到预定步数时，使传动装置能够将校正装置移离纸币，然后启用打钞机设置再次打印纸币，然后启用纸币转印辊组转印纸币。

2. 发明授权

US09940770B1 Coin machine using proximity and ambient light sensing technology 有权
公开(公告)号：US09940770B1
公开(公告)日：2018-04-10
申请号：US15420493
申请日：2017-01-31
申请人： INTERNATIONAL CURRENCY TECHNOLOGIES CORPORATION
发明人： Chia-Min Chang , Shao-Po Chan , Ming-Hua Tsou , Wei Chiu , Yuan-Chun Wang , Hang-Chih Hsu
IPC分类号： G07D5/02 , G07D3/02 , G07D1/02 , G07F5/24 , G07D1/00 , G07D9/06 , G07D11/00
CPC分类号： G07D5/02 , G07D1/00 , G07D1/02 , G07D3/02 , G07D9/06 , G07D11/0036 , G07F5/24
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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