Proximity sensor and keyless entry device including the same

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United States of America Patent

PATENT NO 9835751
SERIAL NO

14868733

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In a proximity sensor including a circuit board on which a detection circuit is printed, and a first drive electrode and a lock electrode mounted on one surface of the circuit board and electrically connected to the detection circuit, the first planar drive electrode and the planar lock electrode are formed in a standing manner on one surface of the circuit board to face each other. A second planar drive electrode and a planar unlock electrode are formed in a standing manner on the other surface of the circuit board to face each other. The proximity sensor is used in a keyless entry device of vehicle, and the controller that controls driving of an actuator for locking or unlocking a vehicle door based on detection of the proximity sensor determines that the proximity sensor is turned on when decrease in output of the proximity sensor exceeds a predetermined threshold value.

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Patent Owner(s)

Patent OwnerAddress
U-SHIN LTDTOKYO JAPAN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tokudome, Tetsuo Hiroshima, JP 10 38

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