Frame synchronization in an ethernet NTP time-keeping digital cinema playback system
US7448061B2 · kind B2 · utility
22Cited by
17References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2004 |
| Grant date | Nov 4, 2008 |
| Priority date | — |
| Expiry date | Apr 24, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/6125
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a digital cinema network of NTP-timekeeping devices in which one of the devices decodes video information, the scheduling of future instructions takes into account the differences between the nominal and actual frame rates of the video decoding device and the network's NTP latency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.