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:
Sep. 02, 1997
Filed:
Apr. 30, 1996
Applicant:
Inventors:
Marwan Ahmad Fawal, Santa Clara, CA (US);
Cameron Lyle Spitzer, San Jose, CA (US);
Ryan Edgar Hirth, Cupertino, CA (US);
Assignee:
3COM Corporation, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F / ;
U.S. Cl.
CPC ...
323273 ; 363 16 ; 363 95 ;
Abstract
A flyback converter using a commercially available voltage regulator with protection mode includes a bypass resistor between the input and output of the voltage regulator to drain charge from the input stage during powerup thereby preventing the regulator from locking in protection mode.