PIR device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 4, 2001
Grant Date -
N/A
app pub date -
May 19, 1999
filing date -
May 19, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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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Family
International Classification(s)
Cited Art Landscape
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