Title :
Relay Preference Lockout Circuits in Telephone Switching
Author :
Joel, Amos E., Jr.
Author_Institution :
Bell Telephone Laboratories, Inc., New York, N. Y.
Keywords :
Control equipment; Costs; Couplings; Delay; Flexible printed circuits; Relays; Switches; Switching circuits; Telephony;
Journal_Title :
American Institute of Electrical Engineers, Transactions of the
DOI :
10.1109/T-AIEE.1948.5059883
