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:
Nov. 24, 1987
Filed:
Sep. 15, 1986
Applicant:
Inventors:
Kenichi Iizuka, Ashikaga, JP;
Tooru Kitayama, Tochigi, JP;
Hideo Uzuhashi, Tochigi, JP;
Hideo Aoki, Machida, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363 37 ; 363 40 ; 363 98 ;
Abstract
An inverting apparatus comprises: a capacitor input type rectifying circuit consisting of a full-wave rectifier and a smoothing capacitor; a single-phase bridge inverter having four semiconductor switches; and a driving control unit for opening and closing the semiconductor switches, wherein the smoothing capacitor is provided with a switch to open and close the smoothing capacitor.