Multi-drop digital telephone loop
US6445787B1 · kind B1 · utility
2Cited by
8References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1999 |
| Grant date | Sep 3, 2002 |
| Priority date | — |
| Expiry date | Feb 2, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2203/205
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A multi-drop digital telephone loop uses point-to-point digital communication between a series of Add/drop units and a central office terminal to route telephone traffic to customers. The loop automatically detects and signals subscriber channel conflicts and also function in an auto-assign mode for automatically assigning subscriber channels. The loop may also be deployed in conjunction with a remote terminal located at a subscriber's residence or business.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.