File sharing
US9141638B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2013 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | Sep 24, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/18
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A first device is configured to operate as a media transmitter or a media receiver. The first device includes a memory configured to store a playlist of media files accessible to the first device. An output circuit is configured to receive the playlist from one or more second devices. Responsive to a first media file in the playlist being stored in the first device, the first device is configured to operate as a media transmitter and control transmitting of the first media file from the first device to the one or more second devices. Responsive to the first media file not being stored in the first device, the first device is configured to transfer control of transmitting from the first device to a selected one of the second devices, and operate as a media receiver to receive the first media file from the selected one of the second devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.