Multiple channel system for a twisted pair telephone wire local loop system
US6687261B1 · kind B1 · utility
12Cited by
8References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 16, 1999 |
| Grant date | Feb 3, 2004 |
| Priority date | — |
| Expiry date | Feb 16, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/2601
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The system (50) has a subscriber digital filter system (54)connected to the twisted pair telephone wire (56). A subscriber controller (52) sends control signals to the subscriber digital filter system (54). An office digital filter system (58) is connected to the twisted pair telephone wire (56). An office controller (60) sends control signals to the office digital filter system (58).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.