Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1979-06-22
1981-08-04
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310334, 310319, H01L 4108
Patent
active
042824532
ABSTRACT:
An apparatus for use in a firing range, in which transducers located adjacent the target area detect the airborne shock wave from supersonic projectiles. The position at which each projectile passes through the target plane is determined from the relative time of arrival of the associated shock wave at the transducers. A visual display of the target and the projectile position is provided for the use of range personnel.
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Bulletin No. 66047/A, Vernitron Ltd., Thornhill, Southampton, England, Jan. 1975 (6 pages).
Bowyer William H.
Cash David A.
Cottis Robert A.
Knight Lindsay C.
Newnham Robert C.
Australasian Training Aids (Pty.) Ltd.
Budd Mark O.
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