Signal decoder for converting a co-directional 64 kbit/s interfa

Details Signal decoder for converting a co-directional 64 kbit/s interfa Signal decoder for converting a co-directional 64 kbit/s interfa

1982-04-14

1984-09-25

Sloyan, T. J.

Communications: electrical

Audible indication

Percussion-type sound producer

375 17, H03K 1324

Patent

active

044738200

ABSTRACT:
A signal decoder converts a co-directional 64 kbit/s interface signal which is divided into half waves into a binary information signal, a 64 kHz clock and an 8 kHz clock. A circuit arrangement is provided for each half wave in which criteria of the signal to be decoded are input into three memories at points in time specified by a counter. The conditions at the outputs of the corresponding memories of each arrangement are combined with OR gates. The decoded signals can be tapped at the outputs of the OR gates. The signal decoder may be employed in the data signal inputs of a system PCM 30F, a PCM exchanger or a 64 kbit/s terminal.

REFERENCES:
patent: 4380080 (1983-04-01), Rattlingourd
CCITT Orange Book, vol. III-2, Line Transmisssion, pp. 432-433 (Rec. G.732), 458-459 (Rec. G.744).

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