Title :
The subscriber loop bridge-lifting problem and some methods of solution
Author :
Hochgraf, Lester
Author_Institution :
Bell Telephone Laboratories, Inc., Murray Hill, N. J.
fDate :
7/1/1961 12:00:00 AM
Abstract :
To the nontelephone engineer, the title of this paper may suggest difficulties involved either in raising a drawbridge or removing some dental hardware. Actually, bridge lifting is a telephone problem in exchange switching and subscriber loop layout.
Keywords :
Bridge circuits; Inductors; Propagation losses; Relays; Resistance; Switches; Thermistors;
Journal_Title :
American Institute of Electrical Engineers, Part I: Communication and Electronics, Transactions of the
DOI :
10.1109/TCE.1961.6373109