Methods and apparatus for generating local oscillation signals
US7224896B1 · kind B1 · utility
4Cited by
20References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2005 |
| Grant date | May 29, 2007 |
| Priority date | — |
| Expiry date | Mar 1, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/44209
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Generating oscillator signals with which selected signals may be mixed. Such oscillator signals may be generated by dividing a pilot tone, such as a 120 MHz pilot tone found on many cable TV systems. Oscillator signals for demodulating received selected signals may be similarly generated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.