Training signal for maintaining the correct phase and gain relationship between signals in a two-signal high definition television system
US4947241A · kind A · utility
2Cited by
24References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 1989 |
| Grant date | Aug 7, 1990 |
| Priority date | — |
| Expiry date | May 1, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N11/26
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An improved color subcarrier and amplitude reference signal and means for its utilization are provided for color television systems, particularly high definition, wide aspect ratio television systems wherein the high definition signal is decomposed into two signals for transmission via two separate channels and recombined at the receiver to reproduce the original high definition image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.