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:
Apr. 25, 1995
Filed:
Jul. 01, 1994
Shunji Sakamoto, Higashi-hiroshima, JP;
Toshihiko Hoshino, Hiroshima, JP;
Mazda Motor Corporation, Hiroshima, JP;
Abstract
A diagnostic method for a production line. The production line is in accordance with a ladder program, which is prepared on the basis of a map describing the operations of equipment composed of a plurality of drive devices. The method comprises the steps of: storing reference operation times necessary for executing the respective operations of the program elements of the ladder program; comparing the time it has actually taken a change to take place in the ON/OFF condition of each of confirmation devices for confirming the operations of the drive devices with the corresponding reference operation time; and locating, on the basis of the results of this comparison, any malfunctioning point of the production line.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile