Method and apparatus for determining the general direction of th

Details Method and apparatus for determining the general direction of th Method and apparatus for determining the general direction of th

1994-08-30

1996-08-06

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

With time interval measuring means

367906, G01S 520

Patent

active

055441297

ABSTRACT:
Methods and apparatus are provided for determining the general direction of the origin of a projectile. At least one sensor, having at least three spaced-apart transducers, each being capable of encountering a blast wave generated at an origin of and by a propellant for the projectile, is provided for generating a signal responsive thereto. From the signals, a time relation is measured between at least three transducers when the blast wave serially encounters each of the three transducers. From the time relations, at least one unit sighting vector from at least one sensor to the origin of the blast wave is determined so that the unit sighting vector points in the general direction of the origin of the projectile.

REFERENCES:
patent: 2966657 (1960-12-01), Price
patent: 5241518 (1993-08-01), McNelis et al.

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