Monitoring device and monitoring method for rotary encoder

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United States of America Patent

PATENT NO 9007056
APP PUB NO 20130241570A1
SERIAL NO

13777041

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Disclosed is a monitoring device for a rotary encoder electronically connectable to the monitoring device. A pulse generating unit generates a comparison pulse signal by extracting a portion corresponding to a specific phase range from a first pulse included in a first pulse signal output from the rotary encoder. The rotary encoder detects rotation of a rotating body and outputs the first pulse signal and a second pulse signal, the first pulse signal and the second pulse signal having a phase difference from each other. A determining unit determines an abnormality of the rotary encoder, based on a state of a pulse of the comparison pulse signal at a specific timing of a second pulse included in the second pulse signal.

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Patent Owner(s)

  • OMRON CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hashimoto, Minoru Ritto, JP 137 1387
Kamisono, Daichi Ritto, JP 7 31
Nakayama, Teruyuki Kyoto, JP 11 108
Okamoto, Kazunori Kusatsu, JP 6 19

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