System and method to synchronize video playback on mobile devices
US9654817B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2012 |
| Grant date | May 16, 2017 |
| Priority date | — |
| Expiry date | Apr 16, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/64322
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
System and method to synchronize video playback on mobile devices, the method including: receiving, from a first mobile device, a message directed to a second mobile device, the message including an instruction to display a video on the second mobile device; an indication of the time at which the first mobile device sent the message; and a video position of the first mobile device when the message was sent; calculating a delay between the first mobile device and the second mobile device; estimating a video seek time for the second mobile device to seek a video position on the second mobile device; seeking a video position p2 on the second mobile device; and starting display of the video on the second mobile device at video position p2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.