Method and apparatus for file sharing between a group of user devices with separately sent crucial portions and non-crucial portions
US7895341B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2007 |
| Grant date | Feb 22, 2011 |
| Priority date | — |
| Expiry date | Jul 15, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/631
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A communication system 100 includes a group of user devices 110 and a content delivery network 120 in communication with the group of user devices 110. The content deliver network 120 selects a plurality user devices from the group of user devices 110, divides the content into a crucial portion and a non-crucial portions. The content delivery network 120 communicates the non-crucial portions to the plurality of user devices and communicates the crucial portion to the plurality of user devices separately from the non-crucial portions and at each of the plurality of user devices. The plurality of user devices 110 assembles the crucial portion and the non-crucial portions to form the content.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.