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:
Sep. 08, 2015
Filed:
Sep. 02, 2011
Jürgen Bürger, Nimburg, DE;
Daniel Kietz, Riegel, DE;
Jürgen Bürger, Nimburg, DE;
Daniel Kietz, Riegel, DE;
Sick AG, Waldkirch, DE;
Abstract
A light grid () with a transmission unit () comprising a plurality of individual light transmitters () and a transmitter control () for activating the individual light transmitters (), and with a reception unit () comprising a plurality of individual light receivers () corresponding to the individual light transmitters () and comprising an evaluation unit () connected to the individual light receivers () is provided, wherein the evaluation unit () is configured to detect an interruption of a light beam () from an individual light transmitter () to a corresponding individual light receiver () and to be optically synchronized with the transmitter control () by means of the light beams (). The transmitter control () is configured to transmit a synchronization signal on multiple individual light transmitters () in parallel.