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:
Feb. 21, 2017
Filed:
Oct. 09, 2013
Nsk Ltd., Shinagawa-ku, Tokyo, JP;
NSK Ltd., Tokyo, JP;
Abstract
A physical quantity detecting device that can determine abnormality of a signal transmission system between a physical quantity detector and a controller and an electric power steering apparatus using the physical quantity detecting device are provided. The physical quantity detecting device includes a physical quantity detector configured to detect a physical quantity and to output a physical quantity detection signal and a controller configured to receive the physical quantity outputted from the physical quantity detector via a transmission line and to perform a control operation on the basis of the physical quantity. The physical quantity detector outputs a diagnostic signal for detecting abnormality of a transmission system between the controller and the physical quantity detector and the controller includes an abnormality determining unit configured to determine abnormality of the transmission system on the basis of the diagnostic signal when receiving the diagnostic signal.