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:
Nov. 06, 2007
Filed:
Jul. 14, 2006
Oscar Marchetto, Oderzo, IT;
Sergio Tomasella, San Polo di Piave, IT;
Luigi Sandrin, Gaiarine, IT;
Fulvio Cuzziol, San Biagio di Callalta, IT;
Oscar Marchetto, Oderzo, IT;
Sergio Tomasella, San Polo di Piave, IT;
Luigi Sandrin, Gaiarine, IT;
Fulvio Cuzziol, San Biagio di Callalta, IT;
Nice S.p.A., Oderzo, IT;
Abstract
An electrical control safety system is provided comprising two photocells or equivalent sensors applied on a sliding gate, the two photocell systems being composed respectively of at least two transmitters and two receivers, and the control safety system being cyclically able to make the first photocell system operate during a first operating time interval while the second photocell system is disabled, and being cyclically able to make the second photocell system operate, during a second operating time interval, subsequent to the first time interval, while the first photocell system is disabled.