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:
May. 04, 2010
Filed:
Oct. 22, 2007
Applicants:
Ingolf Braune, Gundelfingen, DE;
Martin Wuestefeld, Sexau, DE;
Inventors:
Ingolf Braune, Gundelfingen, DE;
Martin Wuestefeld, Sexau, DE;
Assignee:
Sick AG, Waldkirch, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 3/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optoelectronic monitoring device () with at least one light source () and at least one receiving element () which receives light from light source () that was reflected by an object. The receiving element determines the distance of the object. A testing unit (-) of the monitoring device checks the functionality of the receiving element () and modifies light received by the receiving element so that the receiving element () receives light which has been falsified by a predetermined or a known amount. A corresponding testing method is also described.