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:
Jun. 25, 1991
Filed:
Oct. 20, 1989
Dan B Zeitlin, Annapolis, MD (US);
John B Branthover, Daytona, MD (US);
Brian H Smith, Easton, MD (US);
Andrew J Piloto, Columbia, MD (US);
Theresa M Lengel, Ellicott City, MD (US);
Robert R Carlson, Jr, Severn, MD (US);
Lanson Y Shum, Highland, MD (US);
Paul D Hodges, Jr, Ellicott City, MD (US);
Denise B Harris, Columbia, MD (US);
Westinghouse Electric Co., Pittsburgh, PA (US);
Abstract
A high performance, high current, miniaturized low voltage power supply is disclosed which employs a thick copper-ceramic film primary board, a direct bonded copper secondary, flexible printed circuit power inductors, the power supply has high power leadless chip carriers, hybrid rectifier packages and various electrical circuits including application specific integrated circuits for control, a turn on protection and current sharing.