Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With time interval measuring means
Patent
1980-01-18
1981-12-08
Farley, Richard A.
Communications, electrical: acoustic wave systems and devices
Distance or direction finding
With time interval measuring means
273372, 367906, G01S 518
Patent
active
043051421
ABSTRACT:
An improved ballistic impact sensing and display system is provided for use in conjunction with land or water ordnance ranges. A plurality of sensors placed around the target area detect the shock wave created by the impact or passage of the ballistic projectile. The sensors drive electronic timing means which record the time intervals between activation of the sensors by the propagating shock wave. Storage registers within the timing means drive a gridwork of display buses arranged along hyperbolic curves. A matrix of indicators bridging the points of intersection of the hyperbolic buses display the compartment within the target area in which the impact occurred. Additional indicators around the periphery of the matrix of indicators display the sector by which a projectile passed if it missed the target area.
REFERENCES:
patent: 2934346 (1960-04-01), Mongello
patent: 3707699 (1972-12-01), Sanctuary
patent: 3778059 (1973-12-01), Rohrbaugh et al.
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