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:
Apr. 27, 1993
Filed:
Jan. 23, 1990
Sony Corporation, Tokyo, JP;
Abstract
An optically writable record of digital information is provided on an optically writable record disk having a reflection factor substantially higher than seventy percent, and is composed of first digital information including a plurality of program data and respective address data indicative of the individual addresses of the respective program data and being recorded with the latter sequentially along a first track in a first annular recording area of the record disk, and second digital information including table-of-contents data, identifying the plurality of program data, respectively, and being recorded sequentially along a second track which is in a second annular recording area of the record disk and which has a concluding end contiguous to a starting end of the first track so that, upon playback of the digital information record, the table-of-contents data and the plurality of program data and respective address data can be reproduced successively without interruption by a standardized compact disk player.