Data telecommunications system and method with universal link establishment
US4680781A · kind A · utility
35Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 1985 |
| Grant date | Jul 14, 1987 |
| Priority date | — |
| Expiry date | Oct 30, 2005 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M11/06
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Disclosed is a data telecommunications system and method in which at least one modem which, capable of operating at a variety of transmission speeds, selects the proper speed at which to operate. An initiating modem capable of operating at a plurality of operating speeds compares the maximum operating speed of a receiving modem, and if a match is found, operation begins at that operating speed. If no match is found, operation begins at a default transmission speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.