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:
Jan. 01, 1991
Filed:
Feb. 14, 1990
Applicant:
Inventor:
Takayuki Kawamura, Tokyo, JP;
Assignee:
CSK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K / ; G11B / ;
U.S. Cl.
CPC ...
235494 ; 235487 ; 369 59 ; 3692753 ;
Abstract
A recording format for an optical recording medium having a rectangular data recording region capable of containing n data-bit lines. In the recording format, the data recording region is sectioned into bands having a width corresponding to an appropriate number of data-bit lines to form blocks. Each of the blocks is provided with an identifier to allow the access by block units. Each of the blocks may be formed of a group of data-bit lines and check bit line. Each block may have a plurality of sectors. The blocks may be sectioned by boundary information lines having a specific code pattern.