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.:

US 9608428 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 28, 2017

Filed:

Jan. 20, 2014
Applicant:

Infineon Technologies Austria Ag, Villach, AT;

Inventors:

Luca Petruzzi, Gödersdorf, AT;

Stephane Fraisse, Munich, DE;

Robert Illing, Villach, AT;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 73/00 (2006.01); H02H 1/00 (2006.01); G01R 19/165 (2006.01); G01R 31/327 (2006.01); H02H 3/04 (2006.01); H03K 17/18 (2006.01);
U.S. Cl.
CPC ...
H02H 1/0061 (2013.01); G01R 19/165 (2013.01); G01R 31/327 (2013.01); H02H 3/04 (2013.01); H03K 17/18 (2013.01);
Abstract

Techniques are described for determining whether a switch circuit experienced one of a latched overload condition and an open load with no input voltage condition. In the techniques, a first diagnostic signal is output if the switch circuit experienced the latched overload condition. Also, in the techniques, a second, different diagnostic signal is output if the switch circuit experienced the open load with no input voltage condition.


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