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:
Feb. 11, 2003
Filed:
Feb. 22, 1999
Sony Corporation, Tokyo, JP;
Abstract
To determine whether a record medium loaded on a drive has character information in a management area of the record medium corresponding to data received from the drive and to obtain the character information when the record medium has the character information as the determined result. A system includes an optical disc drive and a host computer connected through an interface , wherein the drive has a servo and signal processing portion , a system controller , and a CD-ROM signal processing portion . The servo and signal processing portion reproduces data from a disc . The system controller controls the entire operation of the drive. Return data is sent from the drive to the host computer corresponding to a read table of contents (TOC) command received from the host computer . A code that represents the data length is contained in a header of the return data. With the code, it is determined whether or not the disc is a CD-TEXT disc. When the, disc is a CD-TEXT disc as the determined result, the read TOC command is re-issued. Thus, CD-TEXT data is obtained.