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:
Mar. 17, 1998
Filed:
Jun. 26, 1996
Applicant:
Inventor:
Horst Gruning, Wettingen, CH;
Assignee:
Asea Brown Boveri AG, Baden, CH;
Primary Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
363 58 ; 363 54 ; 363 57 ;
Abstract
A converter circuit arrangement is specified in which actively controllable current and voltage rise limiting means are provided in parallel with a semiconductor switch. These means also take over the function of a reverse-connected parallel diode and essentially comprise a bipolar transistor which is driven by a control circuit.