Upstream noise suppression circuits and related radio frequency subscriber drop equipment and methods
US9807467B2 · kind B2 · utility
1Cited by
8References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 9, 2015 |
| Grant date | Oct 31, 2017 |
| Priority date | — |
| Expiry date | Jan 9, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/6118
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Upstream noise suppression circuits include a splitter and a combiner that are connected by first and second communications paths. An information signal removal circuit is provided on the second communications path and is configured to remove an upstream information signal therefrom. A phase shifter is also provided on the second communications path between the upstream information signal removal circuit and the combiner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.