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Data transmission system, data transmission method, and media apparatus

A technology of data transmission system and media equipment, applied in the direction of transmission system, electrical components, etc., can solve problems such as virtual connection and actual connection connection that are not mentioned

Inactive Publication Date: 2006-03-22
KK TOSHIBA
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

The reference does not mention any connection between virtual and real connections

Method used

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  • Data transmission system, data transmission method, and media apparatus
  • Data transmission system, data transmission method, and media apparatus
  • Data transmission system, data transmission method, and media apparatus

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Embodiment Construction

[0029]FIG. 1 is a block diagram showing an example of a transmission system according to the present invention. The media server MS, media renderer MR and control point CP are connected to each other through a network such as a home network. The media server MS, media renderer MR, and control point CP can execute programs according to the UPnP AV protocol. The UPnP AV protocol and specifications related to the UPnP AV protocol are found in e.g. "http: / / www.upnp.org / standardizeddcps / mediaserver.asp" "UPnP AVArchiteture v0.83, June 12, 2002", "Connection Managerv1.0, June 25 , 2002", "Designing a UPnP AV Media Renderer V1.0, Intel Corporation, 2003 (http: / / www.intel.com / technology / upnp / download / Designing_a_UPnP_AV_MediaRenderer_v1_0-XF.pdf)", "Designing a UPnP AV Media Server V1.0, Intel Corporation, 2003 (http: / / www.intel.com / technology / upnp / download / Designing_a_UPnP_AV_Mediaserver_v1_0-XF.pdf)" is described.

[0030] In FIG. 1, the media server MS is, for example, a DVD play...

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Abstract

According to an aspect of the present invention, there is provided with a data transmission method that uses first and second media devices which communicate with each other according to a predetermined transmission protocol and a control device which controls the first and second media devices based on a UPnP AV protocol, including: establishing a virtual connection between the first and second media devices under control of the control device; transmitting a real connection establishment request from the first media device to the second media device, the real connection establishment request including information of the virtual connection; establishing a real connection between the first and second media devices, the established real connection being related to the virtual connection; and transmitting media data from the second media device to the first media device or versa by using the established real connection.

Description

[0001] Cross References to Related Applications [0002] This application claims the priority of the Japanese patent application filed on September 15, 2004, with the application number 2004-268291 and the Japanese patent application with the application date of August 8, 2005, with the application number 2005-229897, all of which The content is here for reference. technical field [0003] The invention relates to a data transmission system, a data transmission method and a media device. Background technique [0004] Applications where audio equipment and video equipment (hereinafter will be referred to as AV equipment) are coupled to each other via a network to mutually exchange video data or audio data are increasing. In order to couple these AV devices to perform data transmission between these AV devices, some kind of protocol is required. For example, protocols such as the IEEE (Institute of Electrical and Electronics Engineers) 1394 scheme using a serial bus, the Hyp...

Claims

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Application Information

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IPC IPC(8): H04L29/06
Inventor 森冈靖太
Owner KK TOSHIBA
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