Contactlessly rechargeable identification device and method...

Details Contactlessly rechargeable identification device and method... Contactlessly rechargeable identification device and method...

2007-08-10

2011-12-06

Mehmood, Jennifer (Department: 2612)

Communications: electrical

Selective

Interrogation response

C340S572100, C340S010100

Reexamination Certificate

active

08072312

ABSTRACT:
A non-contact state charging authentication device and a method thereof are disclosed. The authentication device includes: a power supply for receiving and transmitting power; a control unit for controlling a signal; a shunt and voltage divided circuit connecting to the said power supply and the said control unit for controlling the transmission of power; and an electromagnetic inductance element connecting to the said shunt current and voltage divided circuit for inducting and transmitting an electromagnetic signal which has an electromagnetic inductance frequency. While non-contact electromagnetic induction between the said authentication device and a charging device occurs, the said charging device begins to charging the said authentication device.

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patent: 2005-202710 (2005-07-01), None
patent: M246884 (2004-10-01), None
Tawainese Office Action Issued Feb. 9, 2011.

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