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:
Oct. 28, 2003
Filed:
Jul. 26, 2002
Applicant:
Inventors:
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 5/08 ; H03K 5/00 ;
U.S. Cl.
CPC ...
H03K 5/08 ; H03K 5/00 ;
Abstract
A protection circuit has a diode being connected in parallel to an inductive load and having a forward direction set reverse to the conduction direction of a power supply current and a Zener diode being placed between one terminal of the diode and one terminal of the load corresponding to the terminal of the diode and having a forward direction matched with the conduction direction of the power supply current.