Device for the detection of objects and the firing of horizontal

Details Device for the detection of objects and the firing of horizontal Device for the detection of objects and the firing of horizontal

1990-08-20

1992-10-06

Tudor, Harold J.

Ammunition and explosives

Mines

Igniting means

102211, F42C 1302, F42C 1306

Patent

active

051533723

ABSTRACT:
A device for detecting an object such as a tank in a target area and for causing a horizontal mine to be fired at the object, comprises first and second microphones which detect noise, including noise from a tank, in the target area, in infrared sensor having a directional characteristic which is narrow with respect to the target area and which extends towards the center of the target area to define a target window, and an electronic evaluation unit. The electronic evaluation unit receives acoustic signals from the microphones and calculates a correlation function from the acoustic signal. If a property derived from the calculated correlation function, for example, the correlation or the correlation gradient, exceeds a predetermined threshold, the firing mechanism of the horizontal mine is enabled. If the infrared sensor also detects the presence of an object within its target window, the electronic evaluation unit will cause the horizontal mine to be fired.

REFERENCES:
patent: 3509791 (1970-05-01), Pechamat et al.
patent: 4712479 (1987-12-01), Babel

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