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:
Apr. 19, 1977
Filed:
Sep. 03, 1975
Applicant:
Inventors:
Assignee:
Siemens Aktiengesellschaft, Munich, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
321 / ;
Abstract
In an inverter bridge having a recovery diode bridge associated therewith with the junction points in the inverter bridge coupled to corresponding junctions of the recovery diode bridge the d.c. inputs of the inverter are connected by means of symmetrically arranged electronic switches to the two d.c. supply voltage potentials with the recovery diode bridge connected to the d.c. supply ahead of the electronic switches. Also shown are auxiliary circuits including a capacitor, inductance and resistance associated with the electronic switches which permit elimination of the protective circuit components usually associated with the inverter semiconductors and recovery diodes.