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. 25, 1983
Filed:
Dec. 28, 1981
Applicant:
Inventor:
Robert C Franklin, Los Gatos, CA (US);
Assignee:
Beckman Instruments, Inc., Fullerton, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363128 ; 323287 ; 323351 ; 363 44 ;
Abstract
A switching voltage regulator is provided for coupling a source of AC potential to a DC load. Thyristor full wave rectifier means provide a source of DC potential which is connected to the load through an inductance in series with the load. The input of the inductance is shunted by a commutating diode which provides a path for the inductive current when the thyristor means are in the nonconducting phase of their operating cycle. Circuit means are provided to reverse bias the commutating diode in advance of each conduction cycle of the thyristor means. As a consequence, the level of RFI conducted to the AC power line is significantly reduced.