Opening and closing body driving motor and opening and closing body driving system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11162293
APP PUB NO 20200199930A1
SERIAL NO

16471235

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An open-close body driving motor includes: a motor main body; a driving circuit; and a control circuit that adjusts driving power using PWM control and controls an operation mode of the open-close body to be changeable through the motor main body. The control circuit includes a PWM control unit, and a catch processing unit that determines catching by the open-close body and performs a catch process. When an operation command of the open-close body is created in a state in which a catch prevention function is not operated, the PWM control unit of the control circuit vibrates the motor main body in an audible range, such that the motor main body performs a sound-emitting operation, by including the frequency of the audible range in the control frequency for the PWM control before or during an operation of the open-close body, the operation being based on the operation command.

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Patent Owner(s)

  • DENSO CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ono, Hiromichi Kariya, JP 19 150
Sugiyama, Shigeru Kariya, JP 40 346

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