Multiplex communications – Wide area network – Packet switching
Patent
1985-07-29
1987-05-19
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 97, H04J 110, H04B 336
Patent
active
046673199
ABSTRACT:
A novel 3-way digital branching network located at a telecommunications repeater branches digital service channel signals into and out of the digital transmission system. On the drop side a first adder combines the West-to-East and East-to-West digital service channel signals before being converted to analog signals for use by the local service channel equipment. On the insert side the locally generated service channel signals are digitized and then digitally combined with the through path signals by a second and third adder for insertion into the West-to-East and East-to-West digital transmission paths.
REFERENCES:
patent: 4105869 (1978-08-01), Aueneau et al.
patent: 4417335 (1983-11-01), Kelly et al.
Gilbert Douglas M.
GTE Sprint Communications Corporation
Kuntz Curtis
Olms Douglas W.
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