Anti-interference microwave motion sensor

Details Anti-interference microwave motion sensor Anti-interference microwave motion sensor

2007-12-20

2010-12-14

Tarcza, Thomas H (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Presence detection only

By motion detection

C342S027000, C342S134000

Reexamination Certificate

active

07852257

ABSTRACT:
A microwave motion sensor for protecting an area comprises an oscillator configured to generate a plurality of microwave signals, a random pulse generator configured to set a random pulse period for each transmitted microwave signal, an antenna configured to transmit the microwave signals and to receive reflected signals, and a signal processor coupled to the antenna through other circuitry, said signal processor is configured to process the reflected signals to determine a presence of a moving object in the protected area.

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patent: 2007/0216567 (2007-09-01), Ikeda
patent: WO 2006035199 (2006-04-01), None

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