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:
Jul. 19, 2011
Filed:
Feb. 20, 2007
Applicants:
Olaf Kittelmann, Berlin, DE;
Peter Triebel, Jena, DE;
Inventors:
Olaf Kittelmann, Berlin, DE;
Peter Triebel, Jena, DE;
Assignee:
Wavelight AG, Erlangen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 7/04 (2006.01); G01J 1/20 (2006.01); G11B 7/00 (2006.01); A61B 18/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus and a method are presented for detecting the focal position of an optical system () with a radiation source (), a focusing imaging system (), an at least partially reflective surface () on the focus (), a digital camera () for recording an image reflected by said surface (), a computer (C) for evaluating the image recorded by the camera (), and with an optical element () in the beam path of the optical system () upstream of the focusing imaging system (), which element influences said image depending on the focal position.