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:
Nov. 11, 2003
Filed:
Nov. 16, 2001
Yasuhiro Tamai, Shizuoka-ken, JP;
Tetsuya Hasegawa, Shizuoka-ken, JP;
Takashi Gohara, Shizuoka-ken, JP;
Yazaki Corporation, Tokyo, JP;
Abstract
A load driving apparatus is provided with a power source ( ) applying a power supply voltage, a load circuit ( ), a relay circuit ( ) electrically connecting the power source ( ) to the load circuit ( ), a first switching device ( ) driving the relay circuit ( ), a second switching device ( ) having one end connected to the power source ( ) and another end connected to the load circuit ( ), and supplying the power supply voltage to the load circuit ( ), and a control unit ( ) outputting a control signal to the second switching device ( ) so as to supply the power supply voltage to the load circuit ( ) and thereafter outputting a control signal to the first switching device ( ) so as to electrically connect the relay circuit ( ) to the power source ( ), thereby starting driving the load circuit ( ).