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:
Dec. 09, 2014
Filed:
Nov. 29, 2011
Applicants:
Makoto Hosaka, Fujisawa, JP;
Toshiki Ishii, Yokohama, JP;
Inventors:
Makoto Hosaka, Fujisawa, JP;
Toshiki Ishii, Yokohama, JP;
Assignee:
Hitachi Consumer Electronics Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/0065 (2006.01); G11B 7/007 (2006.01);
U.S. Cl.
CPC ...
G11B 7/0065 (2013.01); G11B 7/00772 (2013.01); G11B 2220/2504 (2013.01);
Abstract
In reproduction of a two-dimensional page data from an optical information recording medium utilizing holography, a reproduced two-dimensional page data is divided into a plurality of areas each of which has a predetermined size, the divided two-dimensional areas are individually subjected to adaptive equalizing, and then are coupled to restore the condition of the original two-dimensional page data.