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.

Date of Patent:
Mar. 27, 2007

Filed:

Feb. 19, 2004
Applicants:

Chosaku Noda, Kawasaki, JP;

Hiroharu Sato, Tokyo, JP;

Hideaki Ohsawa, Yokohama, JP;

Yutaka Yamanaka, Tokyo, JP;

Kinji Kayanuma, Tokyo, JP;

Toshiaki Iwanaga, Tokyo, JP;

Inventors:

Chosaku Noda, Kawasaki, JP;

Hiroharu Sato, Tokyo, JP;

Hideaki Ohsawa, Yokohama, JP;

Yutaka Yamanaka, Tokyo, JP;

Kinji Kayanuma, Tokyo, JP;

Toshiaki Iwanaga, Tokyo, JP;

Assignees:

Kabushiki Kaisha Toshiba, Tokyo, JP;

NEC Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 7/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

A recording data string is composed of a plurality of synchronous frames each of which has synchronous data and coding data. Data items in the coding data contributed to creation of the same column of the error correction code are arranged at regular intervals of E in the recording data string. A data segment length L is obtained by adding an additional synchronous frame to the recording data string. Wherein, a physical segment length A satisfies the equation L=mA, m is a natural number. And A is set indivisible by E.


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