Title :
Electronics in telephone switching systems
Author_Institution :
Bell Telephone Laboratories, Inc., Whippany, N. J.
Abstract :
DURING the last 40 years a great background and fund of knowledge has developed in the field of telephone switching. Constant improvement in available devices has resulted in an increased scope of application. The field has almost reached a point of perfection as an art and is now rapidly entering a more scientific era.
Keywords :
Cable shielding; Frequency conversion; Registers; Relays; Switches; Switching systems;
Journal_Title :
American Institute of Electrical Engineers, Part I: Communication and Electronics, Transactions of the
DOI :
10.1109/TCE.1957.6372581
