Title:
CONTENTS RECEPTION/DISTRIBUTION SYSTEM AND ITS NETWORK TERMINAL
Document Type and Number:
Japanese Patent JP3922537
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent unauthorized use of contents in a contents reception/ distribution system.
SOLUTION: An IT home electric appliance 41 is provided with a magnetic disk in which a reception/distribution program 14a by which information regarding the contents and reception/distribution is encrypted is recorded and a magnetic disk device 23 in which the magnetic disk is incorporated and that reads/ writes signals to the magnetic disk, transmits encrypted information by automatically encrypting the information regarding the contents and the reception distribution to a server 21 of a security manager who manages security of the reception/distribution of the contents by the reception/distribution program 14a read by the magnetic disk device 23 in the case of the reception/distribution, when authentication is performed on the basis of the encrypted information by the server 21, encrypts and acquires the contents from a server 47 of a contents manager who manages the contents via the server 21.
Inventors:
Naohiro Kamiuchi
Kimiki Sato
Kimiki Sato
Application Number:
JP2002108277A
Publication Date:
May 30, 2007
Filing Date:
April 10, 2002
Export Citation:
Assignee:
Fuji Electric Device Technology Co., Ltd.
International Classes:
G06F12/14; H04L9/32; G06F13/00; G06F21/10; G06F21/60; G06F21/62; H04L9/14; H04N7/173; H04N21/2389; H04N21/239; H04N21/472; (IPC1-7): H04L9/32; G06F12/14; H04L9/14; H04N7/173
Domestic Patent References:
| JP2001184789A | ||||
| JP10260903A | ||||
| JP10320478A |
Attorney, Agent or Firm:
Yoshikazu Tani
Kazuo Abe
Kazuo Abe
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