Title :
Transmission Features of the New Telephone Sets
Author_Institution :
Station instrumentalities engineer for the Bell Telephone Laboratories, Inc., New York, N. Y.
Abstract :
The new telephone instruments now being introduced by the Bell System result in an outstanding improvement in transmission performance in service. The evidence for this, as obtained by comprehensive laboratory and field tests, is presented here, together with a discussion of the factors responsible for this superior performance and of the consideration involved in its appraisal.
Keywords :
Audio systems; Circuit testing; Instruments; Performance evaluation; System testing; Telephone sets; Telephony; Transmitters;
Journal_Title :
American Institute of Electrical Engineers, Transactions of the
DOI :
10.1109/T-AIEE.1938.5057747
