Asynchronous PCM common decoding apparatus

Details Asynchronous PCM common decoding apparatus Asynchronous PCM common decoding apparatus

1977-01-19

1978-07-04

Stewart, David L.

Telegraphy

Systems

Printing

178 50, H04J 602

Patent

active

040990290

ABSTRACT:
An asynchronous PCM common decoding apparatus decodes asynchronous PCM signals sent from a plurality of transmitter sources. The apparatus includes a plurality of receiver units each of which generate a digital signal to be decoded, a channel-number-designating signal, and a decode-requesting signal. One or more decoders are provided to decode the digital signals from the receiver units to analog signals. The decoders produce status signals indicating availabilities of the decoders for decoding the digital signals. A common control unit is responsive to both the decode-requesting signals and the status signals to successively allot a combination of a given receiver and a given decoder.

REFERENCES:
patent: 2920143 (1960-01-01), Filipowsky
patent: 3632882 (1972-01-01), Gecierski
patent: 3790715 (1974-02-01), Inose
Comsat Technical Review; vol. 6, No. 1, pp. 127-158, Spring 1976; "Digital Speech Interpolation," by S. J. Campanella.

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