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:
Oct. 04, 2011
Filed:
Oct. 07, 2008
Gabor Szarvas, Budapest, HU;
Zoltan Karpati, Pecs, HU;
Krisztian Banko, Ajka, HU;
Szabolcs Kautny, Budapest, HU;
Gabor Szarvas, Budapest, HU;
Zoltan Karpati, Pecs, HU;
Krisztian Banko, Ajka, HU;
Szabolcs Kautny, Budapest, HU;
Thomson Licensing, Boulogne-Billancourt, FR;
Abstract
An apparatus for reading from or writing to holographic storage media, and more specifically a common aperture type apparatus for reading from or writing to holographic storage media with multiple reference beams having a reduced noise. In a common aperture type apparatus for reading from or writing to a holographic storage medium using shift-multiplexing, with a coaxial arrangement of two or more reference beams and an object beam or a reconstructed object beam, the reference beams being arranged around the object beam or the reconstructed object beam in a storage layer of the holographic storage medium. Each of the reference beams is located essentially halfway between two adjacent central peaks of shift-multiplexed holograms.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile