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:
Aug. 15, 1989
Filed:
Mar. 17, 1987
Applicant:
Inventors:
Yasuki Matsumoto, Sagamihara, JP;
Masaru Kato, Hiratsuka, JP;
Assignee:
Jidosha Denki Kogyo Kabushiki Kaisha, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P / ; H02P / ;
U.S. Cl.
CPC ...
318 54 ; 318266 ; 318466 ;
Abstract
A motor control circuit is disclosed, which comprises an operation switch to issue the forward rotation or reverse rotation signal, driving means to operate the motor to the forward or reverse direction in response to the forward rotation or reverse rotation signal from said operation switch, rotation detecting means to detect the rotating condition of the motor, and stopping means to cut off the power to said motor when, during the operation of the operation switch, the rotation detecting means continues to detect, for a certain period of time, that the rotation of the motor has been stopped.