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:
Jul. 17, 1984
Filed:
Mar. 09, 1983
Applicant:
Inventor:
Katsuji Mizumoto, Saitama, JP;
Assignee:
Pioneer Electronic Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
318254 ; 318138 ; 318439 ;
Abstract
A driving circuit for a two-phase brushless motor includes a servo control device operating to make constant the phase difference between a sum signal indicative of the current sum flowing through the motor coils and a positional signal indicative of the relative position of the motor rotor and the coils.
Mizumoto, Katsuji. (1984). Two-phase brushless motor driving circuit (U.S. Patent No. 4460856). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4460856
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile