Invention Grant
US07641036B2 Apparatus, systems and methods for accepting payment at a sales device 失效
用于在销售装置处接收付款的装置,系统和方法

Apparatus, systems and methods for accepting payment at a sales device
Abstract:
One embodiment of the present invention provides for a method comprising determining sales data associated with a sales device (e.g., a vending machine) and adjusting a level of sensitivity of a currency validator based on the sales data.
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