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:
Apr. 10, 2018
Filed:
Mar. 20, 2014
Applicant:
Csem Centre Suisse D'electronique ET DE Microtechnique Sa—recherche ET Développement, Neuchâtel, CH;
Inventors:
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G02B 23/24 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 23/2461 (2013.01); G02B 6/0016 (2013.01); G02B 6/0036 (2013.01); G02B 23/2423 (2013.01);
Abstract
An imaging system suitable to provide an image of a surface portion of an object is disclosed. The system includes a light source arranged to provide a light beam, at least a first optical waveguide having a first face and having a second face opposite to the first face, the first face having an incoupling surface. The optical waveguide includes an outcoupling surface, a first diffraction grating arranged on the optical waveguide, and an imaging subsystem arranged to the outcoupling surface. The first diffraction grating is arranged to outcouple at least a fraction of the light beam.