Transmultiplexer virtual group distribution frame
US4813035A · kind A · utility
7Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 1986 |
| Grant date | Mar 14, 1989 |
| Priority date | — |
| Expiry date | Nov 4, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J4/005
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A transmultiplexer for use in a telephone system is disclosed. The transmultiplexer includes a programmable virtual distribution frame feature which provides for information traffic to be switched from one digital group facility to another analog facility in both time division multiplexed and frequency division multiplexed directions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.