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:
Feb. 17, 1998
Filed:
Apr. 11, 1997
Applicant:
Inventors:
Bernhard Mattes, Sachsenheim, DE;
Ralf Henne, Sachsenheim, DE;
Assignees:
Morton International, Inc., Chicago, IL (US);
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361 56 ; 361 84 ;
Abstract
In the case of an electronic apparatus (1), a protective circuit (10) for positive and negative voltage spikes is provided, which circuit includes two diodes (12, 13). The first diode (12), polarized in the forward direction, is arranged in the positive branch of the voltage supply. The second diode (13), polarized in the reverse direction, is connected, on the one hand, to the cathode connection of the first diode (12) and, on the other hand, to the ground connection.