Synchronizing device for a time division multiplex system

Details Synchronizing device for a time division multiplex system Synchronizing device for a time division multiplex system

1981-04-14

1983-08-30

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

375116, H04J 306

Patent

active

044020805

ABSTRACT:
In a synchronizing device for a TDM system which operates at a high speed, in order to be able to use a slower, energy-saving circuit technique, in the event of n possible phase positions, the TDM signal is split between n parallel shift registers. The outputs of the shift registers are connected to a frame code word recognition circuit. During a synchronization process, the slower-operating clock pulse train of the shift registers is delayed by the period of the received clock pulse train. As a result, the next possible phase position is checked. This procedure is repeated until the frame code word recognition circuit emits a synchronization signal.

REFERENCES:
patent: 4045618 (1977-08-01), Lagarde et al.
patent: 4121057 (1978-10-01), Luder
patent: 4340962 (1982-07-01), Wintzer

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