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:
Jun. 11, 1991
Filed:
Oct. 27, 1988
Applicant:
Inventors:
Zain Saidin, Kailua, HI (US);
Alexander H Slocum, McLean, VA (US);
Assignee:
Advanced Engineering Systems, Operation & Products, Inc., Concord, NH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
318254 ; 318439 ;
Abstract
A motor controller for a three-phase rotary electric motor driving a leadscrew or linear electric motor actuated carriage or similar device and in which the controller generates periodic waveforms on all three phases that match the back-emf of the motor to enable smooth moving of the carriage with compensation for nonlinearities in motor parameters and carriage stiffness and damping.
Saidin, Zain. (1991). Method of three-phase winding motor control of rotary motor-driven (U.S. Patent No. 5023528). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5023528
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile