Dual technology sensor device with range gated sensitivity

Details Dual technology sensor device with range gated sensitivity Dual technology sensor device with range gated sensitivity

2008-05-20

2008-05-20

Goins, Davetta W. (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S554000, C340S567000

Reexamination Certificate

active

07375630

ABSTRACT:
A method and device for detecting an intruder in a region with increased performance and decreased false alarms. The security device has a microwave sensor and a PIR sensor operatively coupled to a processor. To increase the performance of the security device the device determines distance information of an object in the region with the microwave sensor, processes the distance information to adapt a frequency response of the PIR sensor to provide a frequency adapted PIR signal, and determines if the object is an intruder by using the frequency adapted PIR signal.

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RCR-90: GE Motion Sensors, Jan. 24, 2007.
GE Motion Sensors—PrecisionLine Dual Technology Motion Sensor RCR90 Jan. 27, 2004.

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