CONTENT DELIVERY METHOD, CONTENT DELIVERY SYSTEM, ELECTRONIC EQUIPMENT TERMINAL AND CONTENT DELIVERY SERVER

Japanese Patent JP2005174180

A

To provide a user with sustainable content at a discount rate by providing a user terminal with a function of overwriting existing right information with new right information.

A content provider 1 having a content delivery server 3 delivers, via a data communication network 10, right information and content about content requested by the user terminal 11. The user terminal 11 overwrites right information in an information storage area 18 in the terminal body or right information in an information recording medium 21 loadable in the terminal body with the right information delivered from the content delivery server 3. On condition that the right information is overwritten, various content services are provided to the user at a discount rate.

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OCHI MAKOTO
SO HIROKAZU
INOUE SHINJI

JP2003416300A

June 30, 2005

December 15, 2003

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MATSUSHITA ELECTRIC IND CO LTD

G06F12/14; G06F15/00; G06F21/00; G06F21/10; G06F21/33; G06F21/60; G06F21/62; G06Q30/04; G06Q30/06; G06Q50/00; H04L9/00; (IPC1-7): G06F17/60; G06F12/14; G06F15/00

JP2003087237A	2003-03-20
JP2003323515A	2003-11-14
JP2002344324A	2002-11-29

Yoshiki Okamoto

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