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:
Jan. 09, 2007
Filed:
Jul. 16, 2004
Applicant:
Rainer Flaig, Eschbronn, DE;
Inventor:
Rainer Flaig, Eschbronn, DE;
Assignee:
Trumpf Laser GmbH + Co. KG, Schrumberg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/00 (2006.01); G01N 21/88 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus for monitoring soiling of an optical element of a processing head of a machine for laser processing of a workpiece includes a first transparent optical element, positioned in a path of a laser beam, a second transparent optical element, positioned in the path of a laser beam and separated from the first transparent optical element by a gap, a first detector for detecting laser light scattered from the first transparent optical element, and a second detector for detecting laser light scattered within the gap between the first transparent optical element and the second transparent optical element.