Title :
The concentrated-arc lamp in a light beam communication system
Author :
Buckingham, W. D. ; Deibert, C. R. ; Morgenstern, R. V.
Author_Institution :
The Western Union Telegraph Company, New York, N.Y.
Abstract :
An experimental light beam telegraph circuit which utilizes a concentrated-arc lamp has been in operation for more than three years over lower New York, N. Y. The 3/4-mile circuit has demonstrated that in fog-free localities dependable high quality communication is possible over light beam systems.
Keywords :
Airplanes; Cathodes; Frequency modulation; Lenses; Resistance; Structural beams;
Journal_Title :
Electrical Engineering
DOI :
10.1109/EE.1947.6443767
