Central office interface techniques for digital subscriber lines
US6760433B2 · kind B2 · utility
0Cited by
29References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 2002 |
| Grant date | Jul 6, 2004 |
| Priority date | — |
| Expiry date | May 30, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M19/001
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Techniques for interfacing a telephone line and central office equipment of a network operator providing and digital subscriber line data services are disclosed. The interface is splitterless in that no conventional bulky splitter is required. A SLIC independent, impedance synthesis network provide compensation for impedance imbalance caused by capacitor coupled across two-wire interface of voice circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.