Method and device for detecting occupancy of telecommunication c

Details Method and device for detecting occupancy of telecommunication c Method and device for detecting occupancy of telecommunication c

1975-04-10

1977-01-18

Stewart, David L.

179 1SA, G10L 100

Patent

active

040041018

ABSTRACT:
A system for detecting the occupancy of the channels of a telecommunication network and monitoring the transmission of signals, wherein the signals on a telephone line are sampled to detect the quasi-periodic nature of speech signals for long enough to differentiate them from noise signals of a random nature.

REFERENCES:
patent: 3508007 (1970-04-01), Goodall
patent: 3873926 (1975-03-01), Wright
patent: 3878377 (1975-04-01), Fariello

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