Digital matrixing system
US4507676A · kind A · utility
20Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1982 |
| Grant date | Mar 26, 1985 |
| Priority date | — |
| Expiry date | Oct 28, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/67
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A matrix for digital video signals separates each coefficient into a binary part and a remainder. The binary part can be implemented very simply by a hardwired right shift. The remainder can be implemented using a ROM. Less ROM memory space is required than for implementing the entire coefficient in a ROM.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.