G - Physics – 08 – B
Patent
G - Physics
08
B
315/26, 349/33
G08B 13/16 (2006.01) H05B 37/02 (2006.01)
Patent
CA 1222791
ABSTRACT OF THE DISCLOSURE A lighting control circuit responsive to amplitude variations related to the effects of movement on the reflection of ultrasonic energy radiated into a space to be monitored.
396258
Kesser Electronics International Inc.
Ridout & Maybee Llp
LandOfFree
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