Composite color frame identifier system and method
US7321397B2 · kind B2 · utility
0Cited by
17References
19Claims
0Family size
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Key dates
| Filing date | Sep 8, 2004 |
| Grant date | Jan 22, 2008 |
| Priority date | — |
| Expiry date | Nov 21, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/44
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A color frame identifier circuit generates a pseudo-subcarrier signal and compares the pseudo-subcarrier signal to a sliced color burst of at least one selected line in a video frame. Based on this comparison, a processing circuit determines the color frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.