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:
May. 12, 1992
Filed:
Feb. 04, 1988
Applicant:
Inventor:
Hisakatsu Tanaka, Chofu, JP;
Assignee:
Olympus Optical Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ; G11B / ;
U.S. Cl.
CPC ...
235454 ; 235494 ; 3692753 ; 369 58 ; 369 47 ;
Abstract
An optical card for storing a large amount of data in an optically readable manner, including a plurality of tracks formed in a data record layer in parallel with each other, each track being divided into a data record area and an address record area, and identifiers each recorded in address record areas of respective tracks. By optionally reading the identifier from the optical card, it is possible to recognize automatically the track construction denoting the number of sectors per track and the number of bytes per sector.
Tanaka, Hisakatsu. (1992). Optical card having an identifier for identifying track construction and (U.S. Patent No. 5113061). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5113061
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile