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. 05, 2012
Filed:
Feb. 07, 2007
Tetsuji Inoue, Nagoya, JP;
Tetsuji Inoue, Nagoya, JP;
Aisan Kogyo Kabushiki Kaisha, Obu-Shi, JP;
Abstract
In a fault diagnosis system () in a load driving arrangement, the fault diagnosis system detecting a fault in the load driving arrangement in which a controller () outputs a control signal to a driver () and the driver () drives a load () according to the control signal, a fault detecting unit () and an exclusive OR circuit () are provided to enable outputting, as a monitor signal, a signal opposite to the control signal upon detecting a fault in the load driving arrangement and outputting, as a monitor signal, the same signal as the control signal when not detecting a fault, a monitor signal output from the exclusive OR circuit () is input to the controller (), and the controller () compares the control signal and the monitor signal and diagnoses whether a fault occurs in the load driving arrangement, based on the result of the comparison.