Title :
An improved polar telegraph relay
Author :
Cannon, W. D. ; Rystedt, Theede
Author_Institution :
Western Union Telegraph Company, New York, N. Y.
Abstract :
A new attack on the relay design problem has led to improved long-term dependability, maintenance-free life, and reduction in size and cost. A novel armature and contact mounting design provides better transmission performance than that of any other relay now in large-scale use.
Keywords :
Alternators; Armature; Magnetic circuits; Magnetic flux; Permanent magnets; Relays; Springs;
Journal_Title :
Electrical Engineering
DOI :
10.1109/EE.1951.6436986
