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:
Nov. 11, 2003
Filed:
Nov. 21, 2002
Applicant:
Inventor:
Hideki Takahashi, Kashiwa, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 3/90 ;
U.S. Cl.
CPC ...
G11B 3/90 ;
Abstract
An information recording medium of this invention has a plurality of sector fields that record data, and each sector field has an identification information area (recording type area). The identification information area records one of first identification information indicating that data recorded in the sector field has high integrity, and second identification information indicating that data has low integrity.