Signal processing circuit and sensor system

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United States of America Patent

PATENT NO 9915684
SERIAL NO

14603182

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A sensor detects the rotation of a component (object) of a vehicle in a non-contact manner, and generates a differential signal according to the rotation. Two comparators have different hysteresis characteristics. At both edges of one signal that is an output of one of the comparators, if a signal of the other comparator is not at the same level, it is determined that a distance (gap) between an object and the sensor is within a predetermined range in which the differential signal is effective.

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Patent Owner(s)

  • ALPS ELECTRIC CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iikura, Akihisa Miyagi-ken, JP 9 8
Sawataishi, Tomoyuki Miyagi-ken, JP 7 31

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