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Information processing system, equipment and method

A technology of information processing system and information processing equipment, which is applied in the direction of recording signal processing, transmission system, information storage, etc., and can solve the problems that electronic watermark information cannot be sampled, copyright protection cannot be realized, etc.

Inactive Publication Date: 2005-12-07
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] If a malicious user uses the digital content without activating the sampling program, or uses the digital content under an environment in which the sampling program cannot be activated, the function of copyright protection cannot be realized because the electronic watermark information cannot be sampled from the digital content

Method used

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  • Information processing system, equipment and method
  • Information processing system, equipment and method
  • Information processing system, equipment and method

Examples

Experimental program
Comparison scheme
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no. 1 example

[0062] The present invention is applied to, for example, a network system 100 as shown in FIG. 1 .

[0063] As shown in FIG. 1, the network system 100 of this embodiment has a structure in which a digital content distribution server 110 and a terminal 120 on a user (client) side (hereinafter simply referred to as a "client") Interconnected by a network 130 for communication therebetween.

[0064] In FIG. 1, although a digital content distribution server 110 and a client 120 are connected via a network 130, a plurality of servers and clients may be interconnected.

[0065]The network system 100 of this embodiment is suitably configured so that when a digital content is used, the export program added to the digital content automatically samples the electronic watermark information embedded in the digital content.

[0066] The digital content in this embodiment includes character data, audio data, still image data, moving image data, computer programs, and the like.

[0067] Th...

no. 2 example

[0100] The structures and operations of the digital content distribution server 110 and the client 120 of the second embodiment will be described below with reference to the accompanying drawings.

[0101] Similar to the first embodiment, the network system 100 shown in FIG. 1 is applied to the second embodiment.

[0102] FIG. 6 shows the internal structure of the digital content distribution server 110 of the second embodiment.

[0103] As shown in FIG. 6 , the digital content distribution server 110 of the second embodiment is composed of the components 111 to 114 shown in FIG. 2 and a program input unit 115 .

[0104] The operation of the digital content distribution server 110 constructed as above will be described with reference to FIGS. 7 and 8 .

[0105] Step S301 : The digital content input unit 111 obtains digital content to distribute it to the client 120 via the network 130 . For example, the digital content is requested by the client 120 from the digital content ...

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PUM

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Abstract

Copyright information embedded in a digital content can always be sampled and the copyright of the digital content can be protected reliably, by using a sampling program which is automatically activated and samples the copyright information from the digital content. For example, the digital content added with the sampling program is distributed or an application program added with the sampling program for utilizing the digital content is distributed so that the copyright information can be reliably sampled from the digital content and the utilization of the digital content can be controlled in accordance with the copyright information. If a file containing a plurality of digital contents is used, copyright information is embedded in each digital content and the copyright information is sampled from each digital content. It is possible to control the utilization of each digital content in accordance with the sampled copyright information.

Description

technical field [0001] The present invention relates to an information processing system for controlling the use of digital content, a medium, an information processing apparatus, an information processing method, and a storage medium storing a computer-readable program for implementing such a method. Background technique [0002] Recently, there have been rapid developments in the preparation and maintenance of optical fiber networks for backbone communication networks, the spread of cable television systems, the practical use of satellite communications, and the spread of LANs. The interconnection of communication networks is actively developing. Digital content is exchanged worldwide through such communication networks. The digital content includes character data, audio data, still image data, moving image data, computer programs, and the like. [0003] Since digital content is composed of digital information, duplication of digital content is very easy. Digital conten...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q50/10G06F21/10G06Q30/06G06Q50/00G06T1/00G11B20/00H04L29/06H04N1/32H04N1/387
CPCH04N2201/3278G11B20/00086H04N2201/3233H04N2201/3246H04L63/08H04N1/32101H04N1/32128H04L2463/103G11B20/00166G11B20/00884
Inventor 田頭信博岩村惠市
Owner CANON KK