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. 10, 1984
Filed:
Apr. 21, 1981
Nissan Motor Company, Limited, Kanagawa, JP;
Abstract
A method and system for controlling resistance welding whereby the preferred quality of resistance welding can be ensured automatically during the welding process by controlling the electrode pressure so that the electrode resistance changes in accordance with a reference resistance curve, or by additionally controlling the electrode voltage so that the electrode voltage changes in accordance with a reference voltage curve. The system according to the present invention comprises an electrode voltage sensor, an electrode current sensor, a reference resistance generator, a reference voltage generator, a differential amplifier, a pressure control device, a current controller and so on.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile