Title:
コンテンツ保護方法及びシステム
Document Type and Number:
Japanese Patent JP2006514506
Kind Code:
A
Abstract:
A private home entertainment system including plural playback devices can receive discrete content that can be played by any appropriate publicly available devices. The home system can convert the discrete content to content that is bound to the private network using, e.g., cryptographic keys. The bound content can be freely copied and played among the devices in the private network but cannot be played outside the private network. Should the user elect to convert bound content back to discrete content to permit playing the content outside the network, all bound copies in the network are destroyed or otherwise rendered unusable.
Inventors:
Lacamp, Brian
Singer, Mitch
Singer, Mitch
Application Number:
JP2005509998A
Publication Date:
April 27, 2006
Filing Date:
December 16, 2003
Export Citation:
Assignee:
Sony Pictures Entertainment
International Classes:
H04N7/167; G06F21/00; G06F21/24; G06Q50/00; H04L9/08; H04L9/32; H04L12/28; H04L29/06; H04N5/00; H04N5/913; H04N7/24
Domestic Patent References:
| JPH11194987A | 1999-07-21 | |||
| JP2004005365A | 2004-01-08 | |||
| JP2003198544A | 2003-07-11 | |||
| JP2001344437A | 2001-12-14 | |||
| JP2002198957A | 2002-07-12 |
Attorney, Agent or Firm:
Akira Koike
Eiichi Tamura
Seiji Iga
Eiichi Tamura
Seiji Iga