Multi-mode radio frequency device

Details Multi-mode radio frequency device Multi-mode radio frequency device

2007-02-13

2007-02-13

Garber, Wendy R. (Department: 2612)

Communications: electrical

Selective

Interrogation response

C340S005100, C340S572400

Reexamination Certificate

active

10762585

ABSTRACT:
A transponder device having multiple modes of operation, such as an active mode and a passive mode, wherein the modes of operation are selected in response to the strength of a received radio frequency signal. A communication system is also provided having a transceiver configured to transmit a radio frequency signal and to receive a responsive signal, and a transponder configured to operate in a plurality of modes and to activate modes of operation in response to the radio frequency signal. Ideally, each mode of operation is activated and deactivated independent of the other modes, although two or more modes may be concurrently operational.

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patent: WO 2004/006164 (2004-01-01), None

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