Title :
Voice immunity of tone operated switching centers
Author :
Guenther, J. H. ; Shirman, J.
Author_Institution :
Stromberg-Carlson Company, 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; Delay effects; Detectors; Logic gates; Noise; Speech; Switches;
Journal_Title :
American Institute of Electrical Engineers, Part I: Communication and Electronics, Transactions of the
DOI :
10.1109/TCE.1960.6367307
