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:
Aug. 28, 2007
Filed:
Nov. 10, 2004
Daniel Rieger, Freiburg, DE;
Daniel Rieger, Freiburg, DE;
Sick AG, Waldkirch, DE;
Abstract
A safety or security light grid for monitoring a protected field having a light transmitting strip, which has a row of light transmitters arranged alongside each other, and a light receiving strip, which has light receivers arranged alongside each other associated with respective light transmitters, so that a plurality of parallel light barriers form the protected field. There is at least one control and evaluation unit, which controls and evaluates the individual light barriers for generating a warning signal when one or more light barriers are interrupted by an object. The light grid has two input elements and at least one display element for configuring the light grid.