NASA NTRS · 19860000097
Adjustable Headband for Earphones
Abstract
New handband designed for comfort and convenience. New band consists of pair of steel head-clamping spring strips joined by tensioning screw. Cushioned side support mounted on end of one strip, and cushioned earphone and microphone mounted on end of second strip. Band reversible. Easily adjusted for head size and readily readjusted for greater comfort without removing.
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Toole, P. C., Chalson, H. E., Bussey, S.. 1986-05-01. Adjustable Headband for Earphones. https://ntrs.nasa.gov/citations/19860000097
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