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:
Jun. 25, 1991
Filed:
Jun. 23, 1989
Applicant:
Inventors:
Carlo Cini, Cornaredo, IT;
Bruno Murari, Monza, IT;
Assignee:
SGS-Thomson Microelectronics S.r.l., Agrate Brianza, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361 90 ; 361 18 ; 361 58 ; 361 84 ; 307127 ;
Abstract
An electronic circuit with a protection device against fluctuations in the supply battery voltage, being of a type which comprises a MOS power transistor connected between one pole of the battery and an electric load for driving said load to ground, further comprises a pair of Zener diodes connected to each other in a push-pull configuration, between said pole and the gate electrode of the power transistor.