Localizing a tag using variable signal range

Details Localizing a tag using variable signal range Localizing a tag using variable signal range

2007-06-01

2011-10-25

Lee, Benjamin C (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S008100, C340S572800, C340S572700, C235S375000

Reexamination Certificate

active

08044804

ABSTRACT:
A method for localizing a tag includes activating an antenna to transmit an RF signal and monitoring for a responsive signal transmitted by the tag. The signal range of the RF signal transmitted by the antenna may be altered if a responsive signal from the tag is not received. The method further includes detecting the responsive signal transmitted by the tag after the tag receives the RF signal transmitted at the altered signal range.

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