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:
Mar. 06, 2007
Filed:
Jul. 27, 2004
Gonzalo Fernández, Elorrio, ES;
Eider Landa, Bergara, ES;
José Miguel Amoriza, Galdakao, ES;
Eneko Muguerza, Iurreta, ES;
Gonzalo Fernández, Elorrio, ES;
Eider Landa, Bergara, ES;
José Miguel Amoriza, Galdakao, ES;
Eneko Muguerza, Iurreta, ES;
Fagor, S. Coop., Mondragon, ES;
Abstract
Failsafe control circuit for electrical appliances whereby at least one electrical load () is activated, the control circuit comprising logic control means (), operation switching means () between said electrical load () and a supply voltage (V), and a first drive circuit () which receives a first command signal () from the logic control means (), said first drive circuit () acting on said operation switching means (). It also comprises security switching means () between the electrical load () and the supply voltage (V), and a second drive circuit () which receives a second command signal () from the logic control means (), said second drive circuit () acting on the security switching means () so that it closes said security switching means () only if said second command signal () is a pulse signal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile