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. 28, 1976
Filed:
May. 13, 1974
Applicant:
Inventor:
Robert S Peterson, Williamsville, NY (US);
Assignee:
Westinghouse Electric Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P / ;
U.S. Cl.
CPC ...
318327 ; 318328 ;
Abstract
A direct current motor speed control system is disclosed including a motor armature current controller operative in conjunction with a speed controller and a current reference ramp function generator, such that an effective clamp is provided on the current reference rate of change in the motor speeed control operation in relation to providing less amplification of the noise frequency portion of the motor speed actual feedback signal supplied to the speed controller.