Break detection device

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United States of America Patent

PATENT NO 12110211
APP PUB NO 20210188597A1
SERIAL NO

16617019

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A break detection device includes an extraction unit (22), an extraction unit (23), a detection unit (24), and a determination unit (26). The extraction unit (22) extracts, from an output signal from a sensor, a vibration component in a specific frequency band. The extraction unit (23) attenuates, from the vibration component extracted by the extraction unit (22), a steady vibration component and a progressively increasing vibration component to extract a determination signal. The detection unit (24) detects, on the basis of the determination signal, occurrence of an abnormal variation in the output signal from the sensor. The determination unit (26) determines whether or not a rope has a broken portion.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI ELECTRIC CORPORATION7-3 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 1008310

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukui, Daiki Tokyo, JP 13 121
Kato, Toshiaki Tokyo, JP 40 323
Murakami, Hiroyuki Tokyo, JP 62 609
Nakazawa, Daisuke Tokyo, JP 16 84
Yamasaki, Satoshi Tokyo, JP 143 961

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