Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
RECORDING MEDIUM, METHOD AND DEVICE FOR RECORDING, METHOD AND DEVICE FOR REPRODUCING, METHOD AND APPARATUS FOR TRANSMISSION FOR DIGITAL DATA
Document Type and Number:
Japanese Patent JP2003338139
Kind Code:
A
Abstract:

To provide a CD which substantially prohibited in copying.

The CD includes: a recording area where the first data string is encoded by a CIRC (cross interleave Reed-solmon code) 4 system and recorded; and a recording area where the second data string is encoded by a CIRC7 system and recorded. The first data string comprises a data arrayal to be decoded by the first decoding processing complementary to the encoding processing by the CIRC4 system, and the second decoding processing complementary to the encoding processing by the CIRC7 system. Data in the data arrayal include data of a value by which DSV is deviated when decoding is performed by the first decoding processing.


Inventors:
INOGUCHI TATSUYA
SAKO YOICHIRO
KIHARA TAKASHI
FURUKAWA SHUNSUKE
KANEDA YORIAKI
SAITO AKINARI
AIDA KIRI
SANO TATSUFUMI
SAKINO TOSHIHIKO
USUI YOSHINOBU
Application Number:
JP2002146327A
Publication Date:
November 28, 2003
Filing Date:
May 21, 2002
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SONY CORP
SONY DISC TECHNOLOGY INC
International Classes:
G06F12/14; G06F3/06; G06F3/08; G06F21/10; G11B20/10; G11B20/12; G11B20/14; G11B20/18; H03M5/14; H03M13/29; H04N5/91; (IPC1-7): G11B20/14; G06F3/06; G06F3/08; G06F12/14; G11B20/10; H04N5/91
Attorney, Agent or Firm:
Masami Sato