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:
Aug. 11, 2015
Filed:
Apr. 13, 2011
Applicants:
Kenichi Shimada, Yokohama, JP;
Toshiki Ishii, Yokohama, JP;
Motoyuki Suzuki, Yokohama, JP;
Inventors:
Assignee:
Hitachi Consumer Electronics Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03H 1/26 (2006.01); G11B 7/08 (2006.01); G11B 7/0065 (2006.01);
U.S. Cl.
CPC ...
G11B 7/083 (2013.01); G03H 1/26 (2013.01); G11B 7/0065 (2013.01);
Abstract
In a holographic memory of an angle multiple recording system, when a hologram is reproduced, a light beam of a different polarizing direction is irradiated as reference light to a hologram recording medium and diffracted light is detected from the hologram recording medium.