Digital signal modulation method
US6809663B1 · kind B1 · utility
0Cited by
12References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 26, 2004 |
| Grant date | Oct 26, 2004 |
| Priority date | — |
| Expiry date | Feb 26, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2020/1461
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A digital signal modulation method selects a modulation strategy to modulate current M sets of data by determining variations in a digital sum value (DSV) corresponding to the modulated data modulated according to a first modulation strategy from M sets of data ahead of the current M sets of data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.