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Data use limit setting method, data use limit setting apparatus, data use limit setting program, and recording medium containing the program

A user terminal device and data technology, applied in data recording, data processing applications, digital recording/reproduction, etc., can solve the problems of restricting the use of content data, not being able to provide highly reliable systems widely, and not being able to provide systems, etc. To achieve the effect of enhancing convenience

Inactive Publication Date: 2005-02-23
SHARP KK
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] As described above, the conventional technology has such a problem that it cannot widely provide a highly reliable system for restricting the use of content data
[0009] Also, the conventional technology has a problem that it cannot provide a system that only allows the creator of the content data to freely limit the use of the content data

Method used

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  • Data use limit setting method, data use limit setting apparatus, data use limit setting program, and recording medium containing the program
  • Data use limit setting method, data use limit setting apparatus, data use limit setting program, and recording medium containing the program
  • Data use limit setting method, data use limit setting apparatus, data use limit setting program, and recording medium containing the program

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Embodiment Construction

[0067] Embodiments of the present invention will be described below with reference to FIGS. 1 to 22 .

[0068] As shown in FIG. 1, the data usage restriction setting system of this embodiment has a data usage restriction setting server (data usage restriction setting device) 1 composed of computers. The data usage restriction setting server 1 sets usage restrictions on content data transmitted from the user terminal device 2 in response to a request from the user. For example, the user terminal device 2 is composed of a computer, and is used by a user. Content data is, for example, animation data, image data, music data, or document data.

[0069] The data usage restriction setting server 1 is configured as a system for setting data usage restrictions on content data. The data usage restriction setting server 1 has communication control means (communication means) 11 , user authentication means (authentication judgment means) 12 and data usage restriction setting means (data...

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Abstract

A data use limitation setting method is arranged so as to include a data receiving step (S21 and S25) of receiving from a user terminal device, (A) content data and (B) user authentication data corresponding to the content data; an authentication judging step (S22 and S23) of judging in accordance with the user authentication data, success or failure of authentication; and a data use limitation setting step (S26) of, if the success of the authentication is judged in the judgment, setting on the content data, a data use limitation for limiting use of the content data. With this, it is possible to widely provide as a system for limiting the use of content data, a highly reliable system that is not easily subjected to unauthorized analysis.

Description

technical field [0001] The present invention relates to a data usage restriction setting method for setting a data usage restriction on content data saved by a user, a data usage restriction setting device, a data usage restriction setting program, and a recording medium including the data usage restriction setting program. Background technique [0002] As a conventional technology for protecting the copyright of data, there is a technology that embeds restriction information in content data in order to restrict the use of the content data. In this technology, when data is to be used, a computer reads restriction information embedded in the data, and restricts use of the data according to the restriction information, thereby protecting the copyright of the data. [0003] Also, Unexamined Japanese Patent Laid-Open No. 86435 / 1999 (Tokukaihei 11-86435) discloses an invention in which prohibition information for prohibiting reproduction of data and permission information for lim...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/14G06F21/00G06F21/10G06F21/31G06F21/34G06F21/62G06Q10/00G06Q50/00G06Q50/10G09C1/00G11B20/00G11B20/10H04L9/32
CPCG11B20/00086G11B20/00173G11B20/0071G06F21/10G11B20/00855G11B20/0084
Inventor 齐藤桂水口充津森靖松山哲也
Owner SHARP KK
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