Time division multiplex communication device comprising a switch

Details Time division multiplex communication device comprising a switch Time division multiplex communication device comprising a switch

1977-09-26

1979-04-03

Claffy, Kathleen H.

179 15BS, H04J 300

Patent

active

041478940

ABSTRACT:
Like a conventional time division multiplex communication device, a device according to this invention comprises first terminals, a switching matrix, transducers or C/E buffers, control circuits, and second terminals. The first and second terminals are for low-speed and high-speed signal sequences. The control circuits are connected to the second terminals. In contrast to the conventional one, the transducers are connected to the respective first terminals, with the switching matrix interposed between the transducers and the control circuits and rendered capable of dealing with the high-speed signal sequences, among others, rather than the low-speed ones as in the conventional device. The devices are particularly useful in earth stations of TDMA satellite communication to which multi-transponder operation is applied, although useful also in carrying out conversion between low-frequency analog signal or PAM signal sequences and PAM signal sequences of a higher rate.

REFERENCES:
patent: 3825899 (1974-07-01), Haeberle

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