Network interface unit with subscriber line daughter boards
US6714647B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1999 |
| Grant date | Mar 30, 2004 |
| Priority date | — |
| Expiry date | Sep 30, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/7385
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The present invention provides an improved communications interface device for existing interface devices, capable of providing improved and enhanced functional features to the traditional limited services of telephone-based and communications interface devices without requiring modification to physical characteristics of existing interface devices. The apparatus includes a module having electrical connectors for establishing electrical connection to one or more service provider cables and one or more subscriber cables and a replaceable motherboard and one or more replaceable daugbterboards capable of providing access to additional bandwidth, sharing of bandwidth, access to high-speed and multimedia data, distribution of data by residential gateways and/or across existing telephone wiring, access to cable-related data, analog to digital conversion of data, or power surge damage-protection.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.