Drive apparatus and image forming apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10640315
APP PUB NO 20190127168A1
SERIAL NO

16171398

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A drive apparatus according to the present invention includes a stepping motor that transmits power to a rotating shaft of a conveyance roller, a brushless motor that transmits power to the rotating shaft of the conveyance roller, a first controller that controls an operation of the stepping motor so that the stepping motor rotates at a constant speed, and a second controller that controls an operation of the brushless motor. The second controller switches control of the brushless motor between, in accordance with a conveyance state of the sheet, assist control in which power of the brushless motor assists a rotation of the stepping motor, brake control in which power of the brushless motor prevents the rotation of the stepping motor, and neutral control in which power of the brushless motor does not affect the rotation of the stepping motor.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
KONICA MINOLTA INCTOKYO 100-7015

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishikawa, Remi Mitaka, JP 8 13
Miyajima, Satoshi Hino, JP 25 150
Oyama, Hiroshi Hino, JP 65 689
Ueda, Tadayuki Kokubunji, JP 41 252

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