Controller for motor driven device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20030132725A1
SERIAL NO

10052235

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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According to the invention, a controller for a motor driven device is disclosed. The controller for the motor driven device having a motor that draws a current from a power supply to induce a forward motion in response to a load. The controller is conveniently coupled to the device for connection to the motor and for detecting a motor parameter indicative of the value of the load and for pulsing the current 'on' and 'off' at a predetermined cycle frequency when the value of the motor parameter exceeds a predetermined value for a predetermined period wherein each 'on' cycle of the predetermined cycle frequency preferably is of sufficient duration to allow the motor to draw sufficient current in response to the load. Further, each 'on' cycle of the predetermined cycle frequency is of sufficient duration to maintain sufficient current to the motor to normalize the forward motion.

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Patent Owner(s)

Patent OwnerAddress
DEFOND COMPONENTS LIMITEDCHAIWAN INDUSTRIAL CENTRE 5TH FLOOR 20 LEE CHUNG STREET CHAI WAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cheung, Wai Kuen Chai Wan, HK 25 84

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