Antenna switching equipment

Details Antenna switching equipment Antenna switching equipment

2008-01-08

2008-01-08

Mullen, Thomas (Department: 2612)

Communications: electrical

Selective

Interrogation response

C343S906000

Reexamination Certificate

active

07317379

ABSTRACT:
Antenna switching equipment switches antennas for a reader/writer. A power generation unit generates electric power from an RF signal outputted from the reader/writer. A switching signal generation unit, operating on electric power generated by the power generation unit, generates a switching signal for specifying an antenna port to be used from among a plurality of antenna ports. A high frequency switch unit, operating on electric power generated by the power generation unit, switches a connection between the reader/writer and one of a plurality of antenna ports based on a switching signal generated by the switching signal generation unit.

REFERENCES:
patent: 6069564 (2000-05-01), Hatano et al.
patent: 6595418 (2003-07-01), Igarashi et al.
patent: 2002/0175805 (2002-11-01), Armstrong et al.
patent: 2004/0201539 (2004-10-01), Yewen
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patent: 08-321785 (1996-12-01), None
patent: 2004-227315 (2004-08-01), None
patent: 2004-303175 (2004-10-01), None
patent: 2004-328605 (2004-11-01), None
Korean Office Action; Korean Published Patent No. 1996-0043593; Dec. 23, 1996; 4 pages.

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