Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals
Patent
1992-08-25
1993-09-21
Pihulic, Daniel T.
Communications, electrical: acoustic wave systems and devices
Distance or direction finding
By combining or comparing signals
367906, G01S 1114, G01S 380, F41J 910
Patent
active
052474887
ABSTRACT:
Apparatus and method for the electro-acoustical measurement of the angle ection of passing projectiles at air-tow-targets, wherein at least three acoustical sensors are equidistantly positioned on a fixed sensor ring which is supported by the tow-target, wherein the arrival times of the waves of the projectiles are electronically measured by means of the several sensors.
REFERENCES:
patent: 3778059 (1973-12-01), Rohrbaugh et al.
patent: 5023847 (1991-06-01), Lee
Borberg Hartmut
Obrecht Bernhard
Ingenierburo fur Elektro-Mechanische Technologien Dipl-Ing Hartm
Pihulic Daniel T.
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