Timing circuit for the digital generation of composite luminance and chrominance video signal for non-interlaced television raster scan-line pattern
US4344075A · kind A · utility
3Cited by
6References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 28, 1980 |
| Grant date | Aug 10, 1982 |
| Priority date | — |
| Expiry date | Aug 28, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G1/285
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Ragged vertical edges normally displayed by a NTSC color-carrier on a non-interlaced display are effectively eliminated through persistence of vision by altering the duration of a selected single scan-line of the non-display portion of each of successive fields by an odd number of half-cycles of the NTSC color-carrier frequency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.