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:
Sep. 28, 1999
Filed:
Sep. 25, 1997
Applicant:
Inventors:
Masaaki Matsumaru, Funabashi, JP;
Kozo Taira, Tokyo, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
3692753 ; 3692754 ;
Abstract
An optical disk including a substrate and a recording film formed on the surface of the substrate, wherein the recording film includes an information recording domain. A servo information for a tracking control and a format condition information for formatting the information recording domain are provided on the substrate, and the information recording domain is formatted in accordance with the format condition information.