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Yale Bares Invisible Beam Speech Transmission Method
Yale scientists describe a light beam communication system for the Army Signal Corps that uses infrared modulation to carry speech over one to five miles. The apparatus resembles a tool box, with a vibratine crystal in a xylol cell generating light pulses detected by a photodetector, enabling voice via headphones or a loudspeaker.
MENTIONED IN THIS ARTICLE
Yale
New Haven
Yale University Scientiats
Army Signal Corps
Journal of Applied Physics
Willam W Watson
Richard F. Humphreys
D. L. Woemley
Cornell Aeronautical Laboratory
Buffalo
A Signal Corpu
Caviene
Investicetons
Unen