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:
Apr. 17, 1979
Filed:
Sep. 19, 1977
Applicant:
Inventor:
Robert J Boschert, Sunnyvale, CA (US);
Assignee:
Boschert Associates, Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363 21 ; 363 56 ; 363 90 ; 363 97 ;
Abstract
A programmable negative resistance circuit, transformer coupled to the low-voltage high-current output conductors of the center-tapped secondary winding of a switching power supply transformer, maintains a constant voltage output irrespective of large load current variations.