Method and device for verifying fee payment
A technology of fees and parking fees, applied in the direction of code identification card or credit card activation, coin-free or similar appliances, coin-operated equipment with instrument control, etc., which can solve the problems of document forgery and theft
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[0022] FIG. 1 shows a communication unit 1 (hereinafter referred to as COM) used in the present invention. COM1 includes a memory 2 connected to a control unit 3 . The control unit 3 is connected with a radio unit 4 for wireless communication with the receiver terminal and a connector unit 5 for wirebound communication with the personal terminal through a connector 6 . The battery 7 provides power for the various components. COM 1 may include indicators 8 in the form of LEDs or display panels to indicate operations or other parameters.
[0023] COM 1 may be a passive device that requires power only during certain activities.
[0024] The control unit 3 controls the activity of COM 1. The control unit also controls the power supply from the battery 7 in order to save battery power as much as possible.
[0025] COM 1 is designed to be as cheap as possible. Thus, the control unit 3 can be configured as a logic array or a conventionally fabricated integrated circuit with only...
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