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:
Mar. 05, 1991
Filed:
Mar. 22, 1988
Applicant:
Inventors:
Katsumi Iijima, Yokohama, JP;
Wataru Sakagami, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K / ; G11B / ;
U.S. Cl.
CPC ...
235487 ; 235454 ; 235494 ; 3692753 ; 369 59 ; 369 58 ;
Abstract
A method of recording information on a recording medium includes generating a plurality of blocks, each having a certain, in the recording area of the recording medium and recording data and directories for effecting the control of the data in the same block in each of the blocks.