Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
RECORDING MEDIUM OF DIGITAL DATA, RECORDING METHOD, RECORDING DEVICE, REPRODUCING METHOD, REPRODUCING DEVICE, TRANSMISSION METHOD, AND TRANSMISSION DEVICE
Document Type and Number:
Japanese Patent JP2003323761
Kind Code:
A
Abstract:

To provide a CD which cannot reproduce an encryption key.

Main data, data of information necessary to reproduce the main data and prescribed data having a DSV (Digital Versatile Disc) value outside the prescribed range are recorded in a recording medium. The prescribed data is recorded in an area adjacent or proximity to a recording area in which at least a part of the data of the information is recorded. In addition, in the recording medium, the information indicating the area in which the prescribed data is recorded, or the area in which the main data and the data of information are recorded are recorded.


Inventors:
SAKO YOICHIRO
INOGUCHI TATSUYA
KIHARA TAKASHI
AIDA KIRI
SAITO AKINARI
KANEDA YORIAKI
SANO TATSUFUMI
FURUKAWA SHUNSUKE
USUI YOSHINOBU
SAKINO TOSHIHIKO
Application Number:
JP2002130430A
Publication Date:
November 14, 2003
Filing Date:
May 02, 2002
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SONY CORP
SONY DISC TECHNOLOGY INC
International Classes:
G11B20/10; G11B20/00; G11B20/14; H03M5/14; H03M7/46; H04L9/08; (IPC1-7): G11B20/10; G11B20/14; H04L9/08
Attorney, Agent or Firm:
Masami Sato