NASA NTRS · 19740000143
Radio-controlled, sound-operated switch
Abstract
Switch presently provides remote control switching, by radio signals, or pollution sampling devices. Can be used for remote weather station interrogation, firing of pyrotechnics, control of dangerous equipment, or control of device in location where it is impractical to run metallic conductors because of time limitations, distance, or terrain.
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Bryant, T. D., Soloman, D. W., Jr.. 1974-09-01. Radio-controlled, sound-operated switch. https://ntrs.nasa.gov/citations/19740000143
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