Title:
DISK-LIKE RECORDING MEDIUM, AND DEVICE AND METHOD FOR REPRODUCING THE SAME
Document Type and Number:
Japanese Patent JP2004103239
Kind Code:
A
Abstract:
To provide a device and method for protecting authorized software from used software and forged software in a recording medium.
A disk 800 is loaded on a main body, and a code peculiar to the title is read out, and if this code is registered, the operation is shifted to the normal operation. If the code is not registered, authentication software is started to perform PG detection, and if the PG pattern matches with the authentication data, the PG pattern is stored in a COCT (contents on console table). In the case of mismatching, irregular processing is performed.
More Like This:
| JPH035966 | JITTER SUPPRESSING CIRCUIT |
| JPS62214555 | INFORMATION RECORDING CARRIER |
| JP2006520043 | Limited distribution of copy-protected material to the geographic area |
Inventors:
KUTARAGI TAKESHI
KAWAI EIJI
MIURA KAZUO
KAWAI EIJI
MIURA KAZUO
Application Number:
JP2003360055A
Publication Date:
April 02, 2004
Filing Date:
October 20, 2003
Export Citation:
Assignee:
SONY COMPUTER ENTERTAINMENT INC
International Classes:
G11B20/10; G11B7/007; G11B20/12; (IPC1-7): G11B20/10; G11B7/007; G11B20/12
Attorney, Agent or Firm:
Toshitake Yamamoto
Previous Patent: DESIGN METHOD FOR OPTICAL RECORDING MEDIUM AND OPTICAL RECORDING METHOD
Next Patent: DATA RECORDER
Next Patent: DATA RECORDER