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.:

US 7468938 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 23, 2008

Filed:

Apr. 18, 2008
Applicants:

Motoshi Ito, Osaka, JP;

Hiroshi Ueda, Osaka, JP;

Toshiyuki Fukushima, Osaka, JP;

Inventors:

Motoshi Ito, Osaka, JP;

Hiroshi Ueda, Osaka, JP;

Toshiyuki Fukushima, Osaka, JP;

Assignee:

Panasonic Corporation, Kadoma, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A recording method for recording, on a write once type information recording medium, management information representing a recording state of the write once type information recording medium is provided. The information recording medium includes data including a first synchronization signal. The information recording medium has a second synchronization signal pre-recorded by cutting. The recording method includes the steps of (a) performing a recording operation for recording the management information at a predetermined position of the information recording medium based on the first synchronization signal; (b) determining whether the recording operation in step (a) is normally terminated or not; and (c) when the recording operation in step (a) is not normally terminated, performing a recording operation for recording the management information at the predetermined position of the information recording medium based on the second synchronization signal.


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Ito, Motoshi. (2008). Recording method, reproduction method, recording apparatus, reproduction apparatus, and information recording medium (U.S. Patent No. 7468938). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7468938

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