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. 21, 2006

Filed:

Feb. 09, 2001
Applicants:

Yoichiro Sako, Tokyo, JP;

Mitsuhiro Shimada, Chiba, JP;

Koichi Sato, Tokyo, JP;

Tatsuya Inokuchi, Kanagawa, JP;

Atsuhiro Kumagai, Kanagawa, JP;

Inventors:

Yoichiro Sako, Tokyo, JP;

Mitsuhiro Shimada, Chiba, JP;

Koichi Sato, Tokyo, JP;

Tatsuya Inokuchi, Kanagawa, JP;

Atsuhiro Kumagai, Kanagawa, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/0045 (2006.01);
U.S. Cl.
CPC ...
Abstract

A recording and/or reproducing method for a record medium, comprising the steps of reading address information from a record medium, the record medium having at least a first area and a second area, data being recordable to the first area, the second area being followed by the first area, the address information representing the position of the second area, detecting an error corresponding to error detection code encoded for the address information that has been read from the record medium, and when the result of the detecting step represents that an error has been detected in the address information that has been read from the record medium, notifying at least a user that the error has been detected.


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