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. 29, 2006
Filed:
Aug. 31, 2004
Applicants:
Harukazu Miyamoto, Kodaira, JP;
Hiroyuki Minemura, Yokohama, JP;
Yasushi Miyauchi, Akishima, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A rewritable recording medium having a first adjustment region recorded with first signal information, a data portion recorded with data information after the first adjustment region, and second adjustment region recorded with a second signal information after the data portion. Each time the first signal information is rerecorded, a length of the first adjustment region changes and a start position of the first adjustment region changes.