Title:
DATA USING DEVICE AND DATA USING METHOD, DATA USING PROGRAM, AND STORAGE MEDIUM RECORDING IT
Document Type and Number:
Japanese Patent JP2004127015
Kind Code:
A
Abstract:
To provide a data using device and data using method capable of preventing the unauthorized use of data, a data using program, and a storage medium recording the program.
A player 70a records ID information obtained from an ID card 73a connected at the present in a state corresponding to content data 82a to be recorded. When the content data 82a is used, a CK 75a determines whether the correspondence between the ID information obtained from the ID card 73a connected at the present and the content data 82a to be used is present in a holder 74a or not. When the presence is determined, the use of the content data 82a is permitted, and when the absence is determined, the use of the content data 82a is prohibited.
Inventors:
HIROZAWA MASASHI
KITAMURA YOSHIHIRO
IWASAKI KEISUKE
SATO KATSUHIKO
KITAMURA YOSHIHIRO
IWASAKI KEISUKE
SATO KATSUHIKO
Application Number:
JP2002291384A
Publication Date:
April 22, 2004
Filing Date:
October 03, 2002
Export Citation:
Assignee:
SHARP KK
International Classes:
G06F12/14; G06F21/10; G06F21/60; G06F21/62; G06K17/00; G06K19/10; H04L9/08; H04L9/32; (IPC1-7): G06F12/14; G06K17/00; G06K19/10; H04L9/08; H04L9/32
Attorney, Agent or Firm:
Kenzo Hara
Ryuichi Kijima
Toru Enya
Ichiro Kaneko
Ryuichi Kijima
Toru Enya
Ichiro Kaneko