This document covers the development of a headset designed to improve intelligibility and reduce ear fatigue of combat vehicle crewmen in armored vehicles. It is electrically equivalent to the Mk-1697/G kit, but is self supporting and is not designed to fit any particular helmet. (Author)
Advanced Design Linear Noise-Attenuating Earphone-Earcup System
1981
42 pages
Report
Keine Angabe
Englisch
Biomedical Technology & Human Factors Engineering , Earphones , Ear protectors , Helmets , Tank crews , Acoustic attenuation , Hearing , Intelligibility , Noise reduction , Systems engineering , Cushioning , Urethanes , Test methods , Contaminants , Microphones , Connectors , Waterproofing , Salt spray tests , Corrosion resistance , Operational effectiveness
ENERGY ABSORBING EARCUP APPARATUS AND METHOD OF MAKING SAME
Europäisches Patentamt | 2021
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