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. 15, 2014
Filed:
Oct. 20, 2009
Applicants:
Szabolcs Kautny, Budapest, HU;
Krisztian Banko, Ajka, HU;
Gabor Szarvas, Budapest, HU;
Zoltan Karpati, Pecs, HU;
Inventors:
Szabolcs Kautny, Budapest, HU;
Krisztian Banko, Ajka, HU;
Gabor Szarvas, Budapest, HU;
Zoltan Karpati, Pecs, HU;
Assignee:
Thomson Licensing, Issy-les-Moulineaux, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03H 1/10 (2006.01); G03H 1/26 (2006.01); G11B 7/00 (2006.01); G11B 7/0065 (2006.01);
U.S. Cl.
CPC ...
G03H 1/10 (2013.01); G11B 7/0065 (2013.01);
Abstract
An apparatus and a method for reading from and/or writing to holographic storage media using a coaxial arrangement of an object beam and one or more reference beams or a coaxial arrangement of a reconstructed object beam and one or more reference beams is proposed. A focus of the one or more reference beams within a holographic storage medium is shifted along the optical axis relative to a focus of the object beam or the reconstructed object beam.