DEVELOPMENT OF A SMALL MICROPHONE SUITABLE FOR USE IN A NEW, SMALL, LIGHT-WEIGHT, ORAL-NASAL BREATHING OXYGEN MASK.
Final engineering rept. on task 3,
BALDWIN PIANO CO CINCINNATI OHIO
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A noise cancelling microphone was partially developed for use in aircraft oxygen masks. Several types of microphones were studied and examined. Various models were constructed and analyzed. Some word articulation testing was conducted and some preliminary environmental tests were made. Author
- Electrical and Electronic Equipment
- Life Support Systems