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:
Nov. 27, 2007

Filed:

Jul. 25, 2001
Applicant:

Ikuo Aoki, Yokohama, JP;

Inventor:

Ikuo Aoki, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical disc having track grooves formed in a radial direction of the disc, and with the disc being divided into a plurality of zones, wherein track grooves are formatted into waved patterns, based on a predetermined modulation rule, in the radial direction of the disc to record zone address information for each of the divided zones. The waved pattern may overlap over recorded user data. Each zone has a recording capacity in which an arbitrary recording capacity is added to a data recording capacity needed for each divided zone.


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