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:
Oct. 19, 1976
Filed:
Dec. 23, 1974
Applicant:
Inventors:
Michael B Brennen, Pittsburgh, PA (US);
Francis T Thompson, Murrysville, PA (US);
Assignee:
Westinghouse Electric Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J / ;
U.S. Cl.
CPC ...
323101 ; 323102 ; 323119 ;
Abstract
Apparatus for significantly reducing the drift and increasing the accuracy of a firing phase angle determination device for the control circuit of a static VAR generator. A phase locked loop is utilized for providing accurate phase information and rapid capture. The phase locked loop utilizes a ripple cancelling digital phase detector and a dual mode amplifier/filter.
Brennen, Michael. (1976). High accuracy fast recovery reference timing generator for a static var (U.S. Patent No. 3987360). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3987360
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile