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.

Date of Patent:
Sep. 30, 1997

Filed:

Mar. 25, 1996
Applicant:
Inventors:

David M Lusher, Torrance, CA (US);

Wilbur E Hong, Torrance, CA (US);

William B Hwang, Los Angeles, CA (US);

Assignee:

Hughes Electronic, Los Angeles, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
363132 ; 363 17 ; 363 56 ;
Abstract

A DC to AC inverter that includes a first capacitor (11) and a first inductor (13) connected in series between a positive voltage supply node and a central node; a first active switch switching (15) connected across the first capacitor and driven with a first periodic drive signal of a predetermined frequency; a second capacitor (21) and a second inductor (23) connected in series between a negative voltage supply node and the central node; a second active switch (25) connected across the second capacitor and being driven with a second periodic signal of said predetermined frequency and being out of phase by 180 degrees relative to the first periodic drive signal; a bandpass filter (31, 33) connected between the central node and an output node; and a load (47) connected between the output node and ground.


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