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:
Dec. 05, 1989
Filed:
Aug. 21, 1987
Kiyoshi Horie, Tokyo, JP;
CSK Corporation, Tokyo, JP;
Abstract
An optical recording medium having a plurality of tracks juxtaposed each other and capable of easily and rapidly detecting a desired track. An optical recording medium includes a data recording region in which the tracks are juxtaposed each other and a track detecting region provided at a part of the data recording region. The track detecting region includes track guides juxtaposed along respective tracks and track number guides corresponding to a locus of the movement of an optical head in the access to a desired track, the track number guides intersecting the track guides.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile