Electronic circuit for contactless tag, and contactless tag

Details Electronic circuit for contactless tag, and contactless tag Electronic circuit for contactless tag, and contactless tag

2007-01-02

2007-01-02

Garber, Wendy R. (Department: 2612)

Communications: electrical

Selective

Interrogation response

C307S010200, C307S104000, C235S494000, C235S488000

Reexamination Certificate

active

10811780

ABSTRACT:
An electronic circuit for a contactless tag includes a transceiving device having an antenna coil and a circuit changeover switch that switching between a state where the antenna coil forms a resonance circuit of the transceiving device and a state where the antenna coil forms a booster circuit.

REFERENCES:
patent: 6489883 (2002-12-01), Iiyama et al.
patent: 2292866 (1996-03-01), None
patent: 04-304034 (1992-10-01), None
patent: 2001-250097 (2001-09-01), None

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