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:
Dec. 22, 2015
Filed:
Jan. 26, 2009
Applicant:
Russell Jacques, Stevenage, GB;
Inventor:
Russell Jacques, Stevenage, GB;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 41/00 (2006.01); H02M 7/537 (2006.01); H05B 41/282 (2006.01);
U.S. Cl.
CPC ...
H02M 7/537 (2013.01); H05B 41/2827 (2013.01); H05B 41/2828 (2013.01); Y02B 20/186 (2013.01); Y02B 70/1441 (2013.01);
Abstract
A circuit for controlling a power converter featuring BJTs, through use of a control winding on the transformer that provides the base drive for the BJTs is disclosed. This controller can control the control winding current, thus modifying the commutating of the current or stopping the oscillations. It can provide unidirectional shorts to prevent commutation and can also provide an initial power pulse to control the start or operation of the power converter.