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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.:

US 5465202 B1

PDFFull Text
Date of Patent:
Nov. 07, 1995

Filed:

Mar. 03, 1994

Inverter apparatus provided with electric discharge control circuit of

Applicant:
Inventors:

Satoshi Ibori, Funabashi, JP;

Hitoshi Yamashita, Yachiyo, JP;

Shigeyuki Baba, Narashino, JP;

Hiroshi Fujii, Chiba, JP;

Takatsugu Kambara, Funabashi, JP;

Akira Ishibashi, Tokyo, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:

Antonelli, Terry, Stout & Kraus

Primary Examiner:

Peter S Wong

Assistant Examiner:

Adolf Berhane

Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363 37 ; 363 34 ;
Abstract

In a variable frequency power source unit, a series circuit of a contactless semiconductor switching element and a resistor is provided in parallel to a d.c. smoothing capacitor, and a control circuit is provided for receiving a signal for turning on the switching element selectively at any time after the power source is interrupted, thereby discharging the electric charge on the d.c. smoothing capacitor.

Find Patent Forward Citations

Ibori, Satoshi. (1995). Inverter apparatus provided with electric discharge control circuit of (U.S. Patent No. 5465202). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5465202

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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