Method and apparatus for noise control in ultrasonic sensors

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12158553
APP PUB NO 20240077629A1
SERIAL NO

18468862

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Abstract

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The adjustable voltage regulator under control of a microcontroller applies controlled amplitude voltage in the range of 5 to 9 VDC to the sensor transmitter to adjust the output amplitude of the transmitter. The adjustable amplitude transmitter allows an occupancy sensor to have its total output energy adjusted to reduce environmental noise-induced false triggering and to conform to the area to be covered. Lowering the total ultrasonic energy in the monitored space lowers the sensitivity of the receiver to inappropriate activations. Lowering the input power to the transmitter also lowers the total internal system noise and provides an improved signal to noise ratio in the receiver.

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Patent Owner(s)

Patent OwnerAddress
THE WATT STOPPER INC2215 FARADAY AVE SUITE E CARLSBAD CA 92008

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Aizhong Shanghai, CN 8 22
Fan, Chenghao Shanghai, CN 7 21
Weidman, Louia Carlsbad, US 30 64

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