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:
Jun. 19, 2012
Filed:
Nov. 16, 2006
Takeshi Tachibana, Chiryu, JP;
Koji Ito, Nagoya, JP;
Toshinori Esaka, Aichi, JP;
Hidenori Matsuto, Toyota, JP;
Takeshi Tachibana, Chiryu, JP;
Koji Ito, Nagoya, JP;
Toshinori Esaka, Aichi, JP;
Hidenori Matsuto, Toyota, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Abstract
According to the present invention, a power supply control device for an electric power steering device used for a power supply system comprises a main batteryconnected to the electric power steering device via a first power supply line and a sub-batteryconnected to the electric power steering device via a second power supply line, wherein when detecting the state of the sub-battery, said power supply control device restricts or disconnects power supply from the main battery to the electric power steering device while it permits power supply from the sub-battery to the electric power steering device, characterized in that said power supply control device prevents the detection of the state of the second battery if a vehicle speed is higher than a predetermined reference value.