Invention Grant
US07753091B2 Device and method for controlling the filling of a cup by a vending machine 有权
用于通过自动贩卖机控制杯子的填充的装置和方法

Device and method for controlling the filling of a cup by a vending machine
Abstract:
A device for controlling the filling of a receptacle with liquid by a drink vending machine. The device includes visual marking device for marking the liquid fill level in the receptacle, a device for emitting a signal towards the receptacle, a device for receiving an incident signal and which receives the incident signal returning from the receptacle and a controlling device configured for commanding the stoppage of filling on the basis of a variation of the incident signal. The receiving device includes a series of photoelectric receivers and at least one variable which is a displacement of a light incident signal measured by the receivers.
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