Title:
【発明の名称】放送・受信システム、およびそのための条件付アクセスシステム
Document Type and Number:
Japanese Patent JP2001519124
Kind Code:
A
Abstract:
There is disclosed a broadcast and reception system (100), comprising, at the broadcast end: a broadcast system (2008) including means for broadcasting a callback request, and at the reception end: a receiver (2020) including means for calling back the broadcast system in response to the callback request, wherein the broadcast system is arranged to validate said receiver via said callback request.
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Inventors:
Bayacy, Malham
De La Turae, Pierre
Jacequel, Jean-Français
De La Turae, Pierre
Jacequel, Jean-Français
Application Number:
JP54321998A
Publication Date:
October 16, 2001
Filing Date:
April 25, 1997
Export Citation:
Assignee:
Canal Plus Society Anonymous
International Classes:
G06F9/06; G06F9/46; G06F9/48; G06F11/00; G06F9/445; G06F11/08; G06F11/10; G06F11/26; G06F11/28; G06F12/00; G06F12/02; G06F13/00; G06F13/10; G06F15/16; G06F21/10; G06K17/00; G06K19/00; G06K19/07; G06Q20/00; G06T9/00; G07F7/00; G07F7/10; G09C1/00; G11C8/06; G11C16/02; G11C16/10; H04B1/713; H04H20/02; H04H40/00; H04L1/00; H04L9/10; H04L9/32; H04L12/16; H04L12/56; H04L13/08; H04L29/06; H04L29/10; H04N5/00; H04N5/222; H04N5/455; H04N7/14; H04N7/16; H04N7/167; H04N7/173; H04N7/26; H04N7/52; H04N7/66; H04N17/00; H04N17/04; H04N21/235; H04N21/236; H04N21/254; H04N21/2543; H04N21/258; H04N21/266; H04N21/426; H04N21/434; H04N21/435; H04N21/4367; H04N21/442; H04N21/443; H04N21/462; H04N21/4623; H04N21/472; H04N21/478; H04N21/4782; H04N21/61; H04N21/6332; H04N21/6334; H04N21/6377; H04N21/658; H04N21/81; H04Q11/00; G06F11/14; H04N5/44; H04N21/2347; H04N21/4405; H04N; (IPC1-7): H04N7/16; H04H1/00; H04H1/08
Attorney, Agent or Firm:
Takehiko Saito (1 outside)