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Data recording medium, apparatus and method, data reproducing method and data transmitting apparatus

A data transmission device and a data recording technology, applied in digital recording/reproduction, data recording, optical recording/reproduction, etc., can solve the problem that the data recording medium does not have multiple UIDs, etc., and achieve the reduction of inventory space, Effect of Traditional Risk Elimination

Inactive Publication Date: 2005-04-27
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In addition, although data recording media having UIDs for identifying data recording media are conventionally available, available data recording media do not have multiple UIDs for different applications

Method used

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  • Data recording medium, apparatus and method, data reproducing method and data transmitting apparatus
  • Data recording medium, apparatus and method, data reproducing method and data transmitting apparatus
  • Data recording medium, apparatus and method, data reproducing method and data transmitting apparatus

Examples

Experimental program
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Embodiment Construction

[0038]Referring first to FIG. 1, there is shown a disk-type recording medium in which the present invention is applied. The shown disc recording medium 10 has a lead-in area 1 , a program area (data recording area) 2 and a lead-out area 3 . A lead-in area 1 is provided on the inner circumference side of the disc recording medium 10 . With respect to the lead-in area 1, a program area 2 is provided on the outer circumference side, and main data such as literary work data based on contents such as tunes, images, etc. are recorded in the program area 2. With respect to the program area 2, a lead-out area 3 is provided on the outer circumference side.

[0039] The program area 2 includes a UID area 4, in which a plurality of identification information segments (UID) are respectively applied to different applications of main digital data such as literary work data. For example, according to the PID system, the identification information of the present invention is written in the ...

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PUM

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Abstract

A data recording medium on which digital data is recorded eliminates acquisition by a user of a plurality of data recording media for different applications to improve the convenience is provided. Digital data for a plurality of different applications and UIDs as identification information added for the individual applications are recorded on the same data recording medium. For example, a music CD on which data for promotion and data for a normal version are managed with different UIDs from each other is distributed as a CD for promotion. The data for promotion allow free reproduction thereof. If a user tries the music CD and wants to purchase the data for a normal version, then the user would access a server owned or managed by a record company of a distributor of the music CD to perform a charging procedure. This validates the UID with which the data for a normal version is managed, and after the UID is authenticated by the server, reproduction of the full data is permitted.

Description

technical field [0001] The present invention relates to a data recording medium on which identification information is individually recorded for data that is used for a plurality of different applications, a data recording device and a data recording method for recording such identification information , a data reproduction method for reproducing the data recording medium, and a data transmission device for transmitting and receiving data including such identification information. Background technique [0002] A compact disc (CD) is widely used as a disc recording medium in which audio data of music programs and the like as literary works are recorded in the form of digital data and can be read out by an optical reproducing device. [0003] Meanwhile, a digital versatile disc (DVD) is used as a data recording medium on which image information of high image quality and the like are recorded in the form of digital data. [0004] Digital data based on various contents are reco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11B20/00G11B20/10G11B20/12H04L9/32H04N5/913H04N7/16H04N7/167H04N7/173H04N21/8352
CPCG11B20/00086H04N2005/91364G11B20/00985H04N2005/91328H04N21/63345H04N21/4325G11B20/00224H04N5/913H04N21/4405G11B20/0071G11B20/00347H04N21/8355H04N21/4627H04N21/2543H04N21/42646H04N21/4753H04N21/8352G11B20/10
Inventor 井上亚纪子佐古曜一郎古川俊介金田赖明中岛浩一斋藤昭也芝崎悦男木岛薰
Owner SONY CORP
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