Data transmission system, data transmission method, and media apparatus
US7724769B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 30, 2005 |
| Grant date | May 25, 2010 |
| Priority date | — |
| Expiry date | Feb 4, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2012/2849
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.