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Content utilization management method corresponding to network transfer, program, and content transfer system

A content management and transmission method technology, applied in the field of content sharing, can solve the problems of unsuitable distribution/transmission of server content, inability to use content transmission methods, and inability to manage content with the same application system

Inactive Publication Date: 2005-09-28
HITACHI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, according to the above technique, since the availability of the content is judged when the content is used, not when the content is distributed / transmitted, there is a problem that the content stored in the server is not suitable for real-time distribution / transmission via the network. The content of the transmission utilizes
Furthermore, there is a problem that the optimal content transmission method corresponding to various copyright protection rules or categories cannot be adopted.
[0007] In addition, there is a problem that the same application system cannot be used to manage the content stored in the machine and the content referenced via the network.

Method used

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  • Content utilization management method corresponding to network transfer, program, and content transfer system
  • Content utilization management method corresponding to network transfer, program, and content transfer system
  • Content utilization management method corresponding to network transfer, program, and content transfer system

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Embodiment Construction

[0026] According to the present invention, there is provided a content transmission system that, in a device equipped with a hard disk and a network interface, and stores and distributes content, according to attributes such as copyright protection or access restriction of the content or program, transmits the content via the network. The content request or the content request in this machine judges whether to send the content, and then notifies the request source machine of the judgment result. Furthermore, it is also possible to provide a system capable of realizing content-related control using the same interface regardless of whether there is a network connection.

[0027] Specifically, the present invention provides a content utilization management method, a device for implementing the method, and a system composed of these devices. In a device with a hard disk storing a plurality of content files and a network function for sending the content files to other devices, It i...

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Abstract

A system estimates accessibility on the basis of information of a requesting device and digital rights management information (408) of content when a utilization request of the content is raised through a network. In a device including a hard disk (103) for storing a plurality of content files and having a networking function for transmitting the content file to other device, a utilization condition and a utilization state are so managed as to correspond to the content file and when a utilization request of a content file is made, utilizability of the content file is judged from a utilization object in the utilization request and from information of a transmitting device of the utilization request. When utilization is not judged as possible, a report is made to the transmitting device of the utilization request to the effect that the content file cannot be utilized.

Description

technical field [0001] The present invention relates to utilization of copyrighted content and content sharing via a network. Background technique [0002] Contents such as images and animations due to the popularization of digital cameras and televisions, contents such as music due to the popularization of music recording and playback devices equipped with hard disks, and storage of playback content due to the popularization of digital broadcasting are becoming popular in homes. In addition, hard disk recorders appearing as substitutes for VCRs store not only playback contents but also various contents as described above. [0003] On the other hand, utilization of storage media or connection with a dedicated line such as USB or IEEE1394 is enabling content transfer or duplication between these machines. Since each device has an IP network function and downloading of content from the Internet is widespread, it is sometimes required to refer to the content stored in each dev...

Claims

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Application Information

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IPC IPC(8): G06Q30/06G06F13/00G06F17/00G06F21/00G06F21/10G06F21/31G06Q50/00G06Q50/10H04L29/06H04N7/16H04N7/173
CPCH04L63/08H04L2463/101H04L29/06469H04L65/4092H04L29/06H04L29/06027H04L63/0428H04L65/613C02F1/56C02F1/66B01D21/01B01D21/0012B01D21/286C02F2201/008H04L9/40H04L65/1101
Inventor 水谷美加森野东海
Owner HITACHI LTD