Multimedia distribution system using fiber optic lines
US8078056B2 · kind B2 · utility
1Cited by
25References
20Claims
0Family size
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Key dates
| Filing date | Mar 1, 2010 |
| Grant date | Dec 13, 2011 |
| Priority date | — |
| Expiry date | Mar 1, 2030 |
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.