Title :
Where we are and where we are going in telephone transmission
Author_Institution :
American Telephone and Telegraph Company, New York, N.Y.
fDate :
3/1/1957 12:00:00 AM
Abstract :
THE PRINCIPAL business of the telephone industry is to provide circuits and switching arrangements so that people who are physically separated can talk to each other. It also is in the business of transmitting other forms of information (teletypewriter, data, radio programs, television, etc.) from one place to another. The things which affect talking and transmitting other information are called ¿transmission.¿1, 2
Keywords :
Acoustics; Economics; Gears; Instruments; Repeaters; TV; Wires;
Journal_Title :
American Institute of Electrical Engineers, Part I: Communication and Electronics, Transactions of the
DOI :
10.1109/TCE.1957.6372627