Contents supply method and equipment

A device and content technology, applied in the field of improved client devices and server devices, can solve problems such as inability to provide security

Inactive Publication Date: 2004-08-04
YAMAHA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the case where the requester copies the supplied content and the serial number, the supplier cannot properly prevent the supplied content from being used without restriction
Therefore, the technology does not provide sufficient security against unfair use of the supplied content

Method used

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  • Contents supply method and equipment
  • Contents supply method and equipment
  • Contents supply method and equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] FIG. 1A is a block diagram showing a music content supply system according to an embodiment of the present invention, the block diagram particularly showing an exemplary manner in which the music content supply system is connected to a communication network. That is, in FIG. 1A, a server 20 managing a music content selling station is connected to a communication network X such as the Internet, and a plurality of client devices 10, 11, 12, . . . can access the server 20 via the communication network X. Each of the client devices 10, 11, 12, ... can perform various processes, such as installation, downloading of music contents, using an application program dedicated to processing implementation based on the present invention (hereinafter referred to as "dedicated application program"). , audition, reproduction, purchase processing. The server 20 is a device that performs music content supply (sale) processing according to the present invention; the server 20 receives at l...

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PUM

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Abstract

Client apparatus (10, 11, 12, ...) receives, from a server (20) or CD-ROM, content data and first management information that enables trial use of the content data and store the received content data and first management information in an HDD. When a user of the client apparatus desires normal use of the stored content data, the client apparatus (10, 11, 12, ...) issues a normal use request to the server (20). Then, the client apparatus receives, from the server, second management information that authorizes the normal use of the content data. Thus, only the client apparatus, to which an authorization for the normal use, is allowed to reproduce the content data in a normal mode with no reproduction function limitation on the basis of the second management information. In this way, the inventive arrangements permit efficient delivery of trial and purchasing content, but also can enhance security against unfair use, such as unauthorized copying, of the content.

Description

technical field [0001] The present invention relates to an improved client device and server device applicable to a system for supplying desired content, such as music content, to interested users via a communication network, and to a system for supplying interested users via a communication network. An improved communication method for desired content such as music content. Background technique [0002] In recent years, delivery of various digital contents, such as music contents and image contents, via the Internet or other communication networks has become very popular. By connecting a user's personal computer or a communication terminal such as a portable phone (such as a cellular phone) to a communication network, and then downloading desired content from an information provider (server) that supplies various music and / or other content, any interested user can Purchase or obtain music or other desired content. Japanese Patent Application Laid-Open HEI-10-275186 and 20...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/14G06F21/00G06F21/10G06F21/62G06Q10/00G06Q30/06G06Q50/00H04L9/08
CPCG11B20/00086G06F21/10G06F2221/2137
Inventor 东仪温定方俊久加里·格雷格森
Owner YAMAHA CORP
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