Title:
【発明の名称】暗号化放送信号の受信機と併用するためのスマートカード、および受信機
Document Type and Number:
Japanese Patent JP2001518255
Kind Code:
A
Abstract:
A smartcard for use with a receiver of encrypted broadcast signals comprises a microprocessor for enabling or controlling decryption of said signals. A memory is coupled to the microprocessor. The microprocessor is adapted to enable or control the individual decryption of a plurality of such signals from respective broadcast suppliers of such signals by means of respective dynamically created zones in the memory, the dynamically created zones each being arranged to store decryption data associated with a respective one of said broadcast suppliers.
Inventors:
Maillard, Michael
Benaldoo, Christian
Benaldoo, Christian
Application Number:
JP54206398A
Publication Date:
October 09, 2001
Filing Date:
April 25, 1997
Export Citation:
Assignee:
Canal Plus Society Anonymous
International Classes:
G06F9/06; G06F9/445; G06F9/46; G06F9/48; G06F11/00; G06F11/08; H04N21/418; G06F11/10; G06F11/26; G06F11/28; G06F12/00; G06F12/02; G06F13/00; G06F13/10; G06F21/10; G06F21/60; G06F21/62; G06K17/00; G06K19/00; G06K19/07; G06Q20/00; G06T9/00; G07F7/00; G07F7/10; G09C1/00; G11C8/06; G11C16/02; H04B1/713; H04H20/02; H04H40/00; H04L1/00; H04L9/00; H04L9/10; H04L9/32; H04L12/56; H04L13/08; H04L29/10; H04N5/00; H04N5/222; H04N5/455; H04N7/14; H04N7/16; H04N7/167; H04N7/173; H04N7/26; H04N7/66; H04N17/00; H04N17/04; H04N21/258; H04N21/4367; H04N21/442; H04N21/81; H04N; (IPC1-7): H04N7/167; G06K17/00; G06K19/00; G06K19/07; G09C1/00; H04L9/10
Attorney, Agent or Firm:
Takehiko Saito (1 outside)