Telecommunication system
US5117453A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 18, 1989 |
| Grant date | May 26, 1992 |
| Priority date | — |
| Expiry date | Dec 18, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/33364
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A telecommunication system for interconnecting a plurality of telephone communication trunks to a transmission network, the system including transmission apparatus at a first end of the transmission network including apparatus for detecting facsimile signals on the plurality of telephone communication trunks, apparatus for demodulating the facsimile signals, apparatus for transmitting along the transmission network, in demodulated form, the facsimile signal output from the apparatus for demodulating, and receiving apparatus at a second end of the transmission network including apparatus for modulating the facsimile signals received along the transmission network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.