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:
Sep. 13, 1983
Filed:
Sep. 29, 1981
Applicant:
Inventors:
Koji Nishida, Anjo, JP;
Taneichi Kawai, Anjo, JP;
Assignee:
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Primary Examiner:
Int. Cl.
CPC ...
G05B / ;
U.S. Cl.
CPC ...
318611 ; 318448 ;
Abstract
A method of stopping a DC motor at a predetermined position by causing the motor to hunt the predetermined position following an overshoot. After each overshoot the applied DC motor drive voltage is reversed in polarity and diminished in magnitude to damp the rotative energy until the motor stops at the predetermined position.