Driving apparatus and driving method of DC brush motor

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United States of America Patent

PATENT NO 11527971
SERIAL NO

17007783

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Importance

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Abstract

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According to an embodiment, a driving apparatus of a DC brush motor includes: a drive circuit that supplies motor current to a coil of a DC brush motor; and a control circuit configured to: after a predetermined time interval has elapsed since starting-up of the DC brush motor, drop down step-by-step a limit value that sets an upper limit of the motor current; and detect turning into a state where the motor current is limited by the limit value.

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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA TOSHIBATOKYO
TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATION1-1 SHIBAURA 1-CHOME MINATO-KU TOKYO 105-0023

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kimura, Hideki Yokohama Kanagawa, JP 143 2077

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