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:
Jan. 04, 1994
Filed:
Jun. 10, 1992
Applicant:
Inventors:
Masaharu Nishiura, Kanagawa, JP;
Tatsuhiko Fujihira, Kanagawa, JP;
Assignee:
Fuji Electric Co., Ltd, Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
307544 ; 307542 ; 307568 ; 307572 ;
Abstract
A circuit for driving a MOS-type semiconductor device having a source, a gate, and a drain. The circuit includes a MOSFET including a source, a gate, and a drain which is connected through a control circuit to the gate of the MOS-type semiconductor device to be driven, a Zener diode, a diode connected to the Zener diode in reverse series between the gate and the drain of the MOSFET, and a resistor connected between the gate and the source of the MOSFET.