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. 24, 2009
Filed:
Jan. 23, 2007
Applicant:
Martin Wuestefeld, Sexau, DE;
Inventor:
Martin Wuestefeld, Sexau, DE;
Assignee:
SICK AG, Waldkirch, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 21/86 (2006.01); G01V 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device for optoelectronic monitoring of an object () contains a transmitting unit () and a receiving unit () that are located in a housing () covered by a faceplate (). The transmitting unit () emits light beams () in a structured illuminating pattern. The illuminating pattern of the illuminated object () is recorded on an image recorder () by the receiving unit (). Soiling () on the faceplate () is indicated by recording the light beams () diffusely scattered at the faceplate () on the image recorder ().