【発明の名称】デジタルデータ向けコピー・プロテクトシステムにおけるデジタルデータの読取装置、記録装置及び再現装置

Title:

【発明の名称】デジタルデータ向けコピー・プロテクトシステムにおけるデジタルデータの読取装置、記録装置及び再現装置

Document Type and Number:

Japanese Patent JP2003529874

Kind Code:

A

Abstract:

The invention concerns a device for reading digital data (10) receiving data representing a content designed to be connected to a digital home network. It comprises: first means for encrypting (13) data in accordance with a protection mode specific to a line whereby the device is to be connected to another digital network device, the encrypted data being in that case supplied to a first output (S1); and second means for encrypting (14) data in accordance with a mode specific to the home network, the encrypted data being in that case supplied to a second output (S2). The invention also concerns a device for recording and restoring digital data designed to be connected to said reading device (10).

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Inventors:

Eric, Dier
Andreaux, Jean-Pierre
Furon, Teddy
Chevrolet, Sylvain

Application Number:

JP2001573469A

Publication Date:

October 07, 2003

Filing Date:

February 28, 2001

Export Citation:

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Assignee:

Thomson Licensing Society Anonymous

International Classes:

G06F12/14; G06F21/10; G09C5/00; G11B20/00; G11B20/10; H04L9/14; H04L29/06; (IPC1-7): G11B20/10; G06F12/14; H04L9/14

Domestic Patent References:

JPH11355265A	1999-12-24
JPH11225292A	1999-08-17
JPH11339374A	1999-12-10
JP2000023089A	2000-01-21
JP2000023088A	2000-01-21

Attorney, Agent or Firm:

Tadahiko Ito (2 outside)

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