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 7791853 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 07, 2010

Filed:

Jun. 16, 2005
Applicant:

Shunzou Ohshima, Toyota, JP;

Inventor:

Shunzou Ohshima, Toyota, JP;

Assignee:

Yazaki Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 3/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A control apparatus includes a semiconductor switch that is arranged between a DC power supply and a load to control a turning ON/OFF operation of the load, a counter electromotive force judging unit that determines whether a counter electromotive force produced on a first wiring line is greater than a threshold voltage, the first wiring line connecting the semiconductor switch to the DC power supply, and a control unit that controls the semiconductor switch so as to be turned OFF when the counter electromotive force judging unit determines that the counter electromotive force is greater than the threshold voltage.


Find Patent Forward Citations

Ohshima, Shunzou. (2010). Control apparatus of semiconductor switch (U.S. Patent No. 7791853). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7791853

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…