The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 13, 2012
Filed:
Oct. 05, 2009
Katsunori Kigoshi, Kasugai, JP;
Katsunori Kigoshi, Kasugai, JP;
OMRON Corporation, Kyoto, JP;
Abstract
A motor control circuit includes a manipulation unit, a control unit that drives a motor in a normal rotation direction or a reverse rotation direction, a catch detecting unit that detects a foreign substance caught in the opening and closing body, a first relay circuit that connects one of terminals of the motor to a power supply when the motor is driven in the normal rotation direction, a second relay circuit that connects the other terminal of the motor to the power supply when the motor is driven in the reverse rotation direction, a switch element that cuts off connection to the power supply when the normal rotation command is fed into the control unit from the manipulation unit, a detection circuit, and a feed circuit.