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:
Feb. 18, 2003
Filed:
Sep. 08, 2000
NexPress Solutions LLC, Rochester, NY (US);
Abstract
A method and device for detecting the position of a transparent conveyor belt including directing light beams ( ) onto the region of an edge ( ) of the conveyor belt, detecting a jump in intensity of the light beam ( ) as a consequence of the partial insertion of the conveyor belt into the beam path ( ) and evaluating the detected jump in intensity in order to determine the position of the conveyor belt, wherein the light beams ( ) are linear polarized light and the beam path ( ) is directed at an angle or irradiation (&agr;) between 40° and 80° of the light ( ) onto the bounding surface ( ) in such a way that a high degree of reflection is achieved and reflected light and non-reflected light is detected.