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:
Aug. 20, 2013
Filed:
Mar. 07, 2011
Applicant:
Osamu Machida, Saitama, JP;
Inventor:
Osamu Machida, Saitama, JP;
Assignee:
Sanken Electric Co., Ltd., Saitama, JP;
Primary Examiner:
Int. Cl.
CPC ...
H03K 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A switch device comprised of a wide band gap semiconductor is provided. The switch device comprises a drain, a source, a gate and a gate voltage clamp circuit, which is connected between a signal terminal, to which a signal for driving the gate is input, and the gate through a series circuit of a capacitor and a resistance, and which comprises a diode and a voltage limiter circuit provided between the drain and the gate.