Multiplex communications – Wide area network – Packet switching
Patent
1986-05-08
1987-12-15
Orsino, Jr., Joseph A.
Multiplex communications
Wide area network
Packet switching
379406, H04L 514
Patent
active
047138033
ABSTRACT:
A bidirectional digital transmission system with echo-cancellation allows the measurement of the received data signal and the automatic adaptation of the attenuator and of the line equalizer. They are implemented by using circuits already present in a conventional system, in addition to auxiliary circuits.
REFERENCES:
patent: 4484322 (1984-11-01), Fossati et al.
patent: 4531220 (1985-07-01), Brie et al.
Vry et al--"The Design of a 1+1 System"--NTG Fachber (Germany) vol. 73, 1980, pp. 36-40.
Ambrosio Renato
Brosio Alberto
Fausone Alfredo
Tofanelli Adler
Dubno Herbert
Orsino Jr. Joseph A.
Ross Karl F.
SIP--Societa Italiana per l'Esercizio Telefonico p.a.
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