Title:
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 JP4079282
Kind Code:
B2
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.
Inventors:
Bayacy, Malham
De La Turae, Pierre
Jacequel, Jean-Français
De La Turae, Pierre
Jacequel, Jean-Français
Application Number:
JP54321998A
Publication Date:
April 23, 2008
Filing Date:
April 25, 1997
Export Citation:
Assignee:
Canal Plus Society Anonymous
International Classes:
G06F9/445; G06F9/06; G06F9/46; G06F9/48; G06F11/00; 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; H04H20/74; H04H40/00; H04H60/15; H04H60/23; H04H60/94; 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
Domestic Patent References:
| JP8331542A |
Attorney, Agent or Firm:
Tadahiko Ito
Takehiko Saito
Yasuyuki Hata
Takehiko Saito
Yasuyuki Hata