Motion detector and adapter therefor

Details Motion detector and adapter therefor Motion detector and adapter therefor

2006-02-28

2006-02-28

Nguyen, Phung T. (Department: 2632)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S541000, C340S565000

Reexamination Certificate

active

07005990

ABSTRACT:
An object that can be sensed by a motion detector is equipped with a small, battery powered transponder. A motion detector has (either internally or externally) a transceiver adapted to provide a query signal. If the object is within range of the query signal, the transponder responds with a transponder signal. The transceiver is responsive to receipt of the transponder signal to prevent the detection of motion from causing an alarm.

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