Pir device

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G - Physics

01

P

G01P 13/00 (2006.01) G08B 13/19 (2006.01) H05B 37/02 (2006.01)

Patent

CA 2307252

An outdoor light using a motion sensor that activates the light when motion is sensed by changes in the infrared signal detected. The device uses a passive infrared detector network to sense infrared and to produce an analog signal in response to said infrared detected which is then passed through an amplifier to a signal controlled oscillator. The signal is converted into a digital signal which is used to detect motion by a logic device.

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