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:
Jan. 18, 2000
Filed:
Feb. 01, 1999
Applicant:
Inventors:
Johannes De Wit, Drachten, NL;
Wilhelmus G Ettes, Drachten, NL;
Roelf Van Der Wal, Drachten, NL;
Jacob H Botma, Drachten, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363 21 ;
Abstract
A switching power supply with synchronous rectification by means of a diode and a parallel-connected electronic switch. By means of a one-shot circuit the electronic switch is driven into conduction during a fixed portion of the time period during which the diode would be conductive without the electronic switch.