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:
Aug. 23, 1977
Filed:
Nov. 25, 1974
Applicant:
Inventor:
Reed H Grundy, Murrysville, PA (US);
Assignee:
Westinghouse Air Brake Company, Swissvale, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363 25 ; 363 56 ;
Abstract
This disclosure relates to a converter-regulator circuit which has high immunity to transient voltages and which employs a feedback controlled operational amplifier at the input end for controlling the conductive condition of an intermediate transistorized inverter which supplies feedback signals from the output end of a bridge rectifier to provide a regulated d.c. output voltage.