Title:
データ処理システム
Document Type and Number:
Japanese Patent JP4848611
Kind Code:
B2
Abstract:
An information transmitting method comprising the steps of: transmitting identification information of a recording medium from at least one terminal section for reproducing a duplicate recording medium duplicated from the recording medium having recorded thereon first digital data related to an encrypted work and second digital data including at least identification information proper to the medium, to a host section via a communication channel; authenticating the transmitted identification information by the host section; requesting the terminal section for accounting; and transmitting data related to a key for decrypting the encryption of the first digital data to the terminal section when the accounting is carried out.
Inventors:
Yoichiro Sako
Masanobu Yamamoto
Takao Ibashi
Tatsuya Inoguchi
Kaoru Kijima
Masanobu Yamamoto
Takao Ibashi
Tatsuya Inoguchi
Kaoru Kijima
Application Number:
JP2001519439A
Publication Date:
December 28, 2011
Filing Date:
August 25, 2000
Export Citation:
Assignee:
ソニー株式会社
International Classes:
G11B20/12; G06F3/06; G06F15/00; G06F17/30; G06F21/00; G06F21/10; G06F21/16; G06F21/44; G06F21/62; G06Q50/00; G09B5/00; G09C5/00; G11B19/04; G11B19/12; G11B20/00; G11B20/10; G11B27/00; G11B27/034; G11B27/10; G11B27/11; G11B27/32; H04N5/913; H04N7/173; H04N5/85
Domestic Patent References:
| JPH10106147A | 1998-04-24 | |||
| JPH05266575A | 1993-10-15 | |||
| JPH10107787A | 1998-04-24 | |||
| JPH08227434A | 1996-09-03 |
Foreign References:
| WO1997014144A1 | 1997-04-17 | |||
| WO1997014146A1 | 1997-04-17 |
Attorney, Agent or Firm:
Akira Koike
Eiichi Tamura
Seiji Iga
Eiichi Tamura
Seiji Iga