Capacitive coupling based proximity sensor

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United States of America Patent

PATENT NO 9331694
SERIAL NO

13492744

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Abstract

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A capacitive coupling based proximity sensor is disclosed. In some embodiments, a sensor embedded in a mobile device comprises a transmitter configured to transmit a transmit signal and a receiver configured to receive a receive signal via capacitive coupling between the receiver and the transmitter as well as a circuit configured to detect human proximity to the mobile device in the event that the receive signal does not sufficiently match the transmit signal and configured to generate an output signal indicating human proximity to the mobile device that is employed to facilitate an appropriate response.

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Patent Owner(s)

Patent OwnerAddress
RENESAS DESIGN TECHNOLOGY INC2560 MISSION COLLEGE BOULEVARD SANTA CLARA CA 95054

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Jay Sunnyvale, US 17 88
Teegen, John Los Gatos, US 1 25

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