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. 10, 1984
Filed:
Feb. 02, 1982
Applicant:
Inventor:
Tapani Makimaa, Lahti, FI;
Assignee:
Kemppi Oy, Lahti, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363136 ; 363 58 ;
Abstract
An improved D-C to A-C inverter circuit is provided including push-pull sequentially activated thyristor switches connected across a center-tapped D-C voltage source with a saturable reactor connected in series between each thyristor and the center-tap return branch and at least one saturable reactor connected in the center-tap return branch to effectively reduce peak operating voltages.
Makimaa, Tapani. (1984). Inverter with saturable reactor protection circuit (U.S. Patent No. 4442479). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4442479
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile