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. 09, 2013
Filed:
Jun. 30, 2009
Applicants:
Klaus Peter Werner, Wijchen, NL;
Carsten Heinks, Nordhorn, DE;
Marcel Franz Christian Schemmann, Maria Hoop, NL;
Inventors:
Klaus Peter Werner, Wijchen, NL;
Carsten Heinks, Nordhorn, DE;
Marcel Franz Christian Schemmann, Maria Hoop, NL;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B 11/02 (2006.01); G01B 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A laser self-mixing measuring device is provided, comprising a laser with a laser cavity and a surface arranged along the optical path of the laser beam which redirects incident laser light back into the laser cavity. The surface comprises a periodic structure which diffracts the laser light into partial beams.