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. 06, 2005
Filed:
Sep. 04, 2002
Applicants:
Ingolf Braune, Gundelfingen, DE;
Olaf Henkel, Reute, DE;
Inventors:
Ingolf Braune, Gundelfingen, DE;
Olaf Henkel, Reute, DE;
Assignee:
Sick AG, Waldkirch/Breisgau, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J040/14 ;
U.S. Cl.
CPC ...
Abstract
A zone is monitored with an optoelectronic sensor. Light is transmitted in accordance with a structured light pattern in the direction of the monitored zone and is received from the monitored zone. The received light is converted into received signals and the received signals are evaluated with respect to the presence of an object, or with respect to a movement of an object, in the monitored zone. The light is transmitted and/or received in accordance with at least two different light patterns.