Modem end of message detector
US4494240A · kind A · utility
4Cited by
8References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 3, 1983 |
| Grant date | Jan 15, 1985 |
| Priority date | — |
| Expiry date | Jan 3, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/06
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In modem apparatus having receiver circuitry which demodulates a received carrier into a sequence of received signals and decodes each signal into a signal point drawn from a predetermined signal point alphabet, the received carrier being modulated in accordance with a sequence of signal points representing a message, that improvement having circuitry for estimating the receipt of the end of the message by testing each received signal against a predetermined end-of-message condition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.