Title :
Voice immunity of tone-operated switching centers
Author :
Guenther, J. H. ; Shirman, J.
Author_Institution :
Stromberg-Carlson Co., Rochester, N. Y.
Abstract :
TONE operation of electronic switching centers is the natural outgrowth of 4-wire operation of communication systems using a radio link. The radio circuit may be anywhere between the subscriber and the switching center or between switching centers.
Keywords :
Delay effects; Detectors; Integrated circuit modeling; Noise; Speech; Switches; Switching circuits;
Journal_Title :
Electrical Engineering
DOI :
10.1109/EE.1960.6432909
