Multiplex communications – Wide area network – Packet switching
Patent
1982-06-02
1985-02-19
Safourek, Benedict V.
Multiplex communications
Wide area network
Packet switching
34082516, 370105, 375107, H04J 306
Patent
active
045009910
ABSTRACT:
The invention comprises a circuit arrangement for the control of digital signal transmission, particularly PCM-signals, between stations of a time division multiplex telecommunication system, particularly a PCM-time division multiplex telecommunication system, with a central control unit, via a multiplex channel to which every station can be connected and on which every station included in a connection is allocated a transmission pulse with cyclically repeated time slots occurring in successive pulse frames and a reception pulse with cyclically repeated time slots occurring in successive pulse frames, with stations combined in a group of stations jointly connected to a transmission trunk by their transmission outputs and to a reception trunk by their reception inputs, and with all trunks connected to the multiplex line via amplifiers. In this context digital signals are understood to be voice signals and data.
REFERENCES:
patent: 3732374 (1973-05-01), Rocher et al.
patent: 4048446 (1977-09-01), Hafner et al.
patent: 4063220 (1977-12-01), Metcalf et al.
patent: 4078228 (1978-03-01), Miyazaki
patent: 4144448 (1979-03-01), Pisciotta et al.
Backhaus Martin
Lubcke Hartmut
Nixdorf Computer AG
Safourek Benedict V.
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