Title :
Objectives and general description of the Type-P1 carrier system
Author_Institution :
Bell Telephone Laboratories, Inc., New York, N. Y.
fDate :
5/1/1956 12:00:00 AM
Abstract :
ALTHOUGH carrier has been used successfully to provide trunks in the Bell System for more than 35 years, it has not been economically feasible to apply carrier telephone techniques extensively to the rural telephone plant up to the present time.
Keywords :
Batteries; Central office; Frequency modulation; Power generation; Power supplies; Repeaters; Transistors;
Journal_Title :
American Institute of Electrical Engineers, Part I: Communication and Electronics, Transactions of the
DOI :
10.1109/TCE.1956.6372513