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:
Feb. 14, 2012
Filed:
Jun. 19, 2008
Applicant:
Frank Przygodda, Villingen-Schwenningen, DE;
Inventor:
Frank Przygodda, Villingen-Schwenningen, DE;
Assignee:
Thomson Licensing, Boulogne-Billancourt, FR;
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A holographic storage medium is proposed, and more specifically a holographic storage medium with an integrated phase mask layer. The holographic storage medium has a phase mask layer on top of a holographic storage layer, wherein the phase mask layer has one or more phase pattern areas for coupling-in a reference beam and imprinting a phase pattern on the reference beam, and one or more neutral areas for coupling-in an object beam and/or coupling-out a reconstructed object beam.