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Detonator-activated ball shutter
A detonator-activated ball shutter for closing an aperture in about 300 ..mu..seconds is disclosed. The ball shutter containing an aperture through which light, etc., passes, is closed by firing a detonator which propels a projectile for rotating the ball shutter, thereby blocking passage through the aperture.
Date:
May 14, 1981
Creator:
McWilliams, R. A. & Von Holle, W. G.
System:
The UNT Digital Library