NASA NTRS · 19670000119
Personal communication system combines high performance with miniaturization
Abstract
Personal communication system provides miniaturized components that incorporate high level signal characteristics plus noise rejection in both microphone and earphone circuitry. The microphone is designed to overcome such spacecraft flight problems as size, ambient noise level, and RF interference.
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Atlas, N. D.. 1967-05-01. Personal communication system combines high performance with miniaturization. https://ntrs.nasa.gov/citations/19670000119
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