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:
Sep. 29, 1998
Filed:
Jul. 18, 1997
Applicant:
Inventor:
Hirotsugu Matsumoto, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabsuhiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F / ;
U.S. Cl.
CPC ...
327546 ; 327408 ; 327537 ; 327545 ;
Abstract
A semiconductor circuit is so constructed that one of a plurality of different potentials is supplied to sources of FETs via a switching circuit, so as to vary the threshold voltage of the FETs in accordance with the operating state of the semiconductor circuit, thereby decreasing the waste of power.