Card reader comprising an energy-saving system

Details Card reader comprising an energy-saving system Card reader comprising an energy-saving system

2005-07-05

2005-07-05

Le, Thien M. (Department: 2876)

Registers

Coded record sensors

Particular sensor structure

C235S492000

Reexamination Certificate

active

06913198

ABSTRACT:
A smart card reader includes a housing for receiving a smart card, a microprocessor, and a connector for connecting the microprocessor to the received smart card for establishing communications therebetween. A voltage source provides a power supply voltage to the microprocessor based upon the smart card being received in the housing. The smart card reader further includes a first switch interposed between the voltage source and a power supply terminal of the microprocessor. The first switch is closed when the received smart card is at an end of travel in the housing so that the power supply voltage is provided to the microprocessor, and is opened when the received smart card is no longer at the end of travel in the housing so that the power supply voltage is not provided to the microprocessor.

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