Zone-defense weapon system and method for controlling same

Details Zone-defense weapon system and method for controlling same Zone-defense weapon system and method for controlling same

1994-11-21

1996-03-12

Jordan, Charles T.

Ammunition and explosives

Mines

Igniting means

89 111, 102425, F42B 2316, F42B 2304

Patent

active

054977053

DESCRIPTION:

BRIEF SUMMARY
The present invention concerns a zone-defense weapon system of the type having of an attack device including at least one ammunition-launch tube whose projectile encloses, for instance, one or several explosive charges and at least one surveillance and target-acquisition device that controls a surveillance zone by detecting an objective target penetrating in said the zone and controlling the attack device to fire the ammunition toward the detected target.
Patent FR-2 667 139 describes a space-barrage system for reconnaissance and warfare against land-based targets. This system provides for the installation of detectors in one zone, and, on the other hand, the transmission of active elements such as mines from another zone.
The detectors and active bodies are sent at different times and by different carriers, such as rockets.
A system like this is complex to implement because it requires the use of heavy equipment such as artillery rocket launchers. It is adapted to the creation of barrages at long distances.
The detectors that are sent are set out on the group in a random manner. To ensure a certain amount of efficiency, a large number of ammunitions have to be sent into the zone or ammunition provided with complex correction devices are required, which devices allow target detection or trajectory correction.
This invention is not aimed at any such heavy-defense system, but rather as a zone-defense weapon system or zone-defense mine capable of causing aggression upon the target or objective, such as a tank, for instance, in a surveillance zone whose action radius is between several tens and several hundreds of meters.
Such a zone-defense weapon system is more often than not directly set up by an operator within the surveillance zone. The attack device and the surveillance and target-acquisition device are mounted on a platform stabilized on the ground by feet, and the surveillance and a target-acquisition device, based on sensors, is deployed automatically or by the operator.
During operation, the surveillance and target-acquisition device, once activated, is designed to detect, locate and identify targets penetrating the surveillance zone. The captured signals are analyzed by a processing electronic device that may control a device for orienting the attack-device ammunition-launch tube in elevation and/or azimuth, before controlling a projectile propulsion-charge ignition device.
Once the projectile has been launched on its trajectory, an on-war detection device scans the ground, and an explosive charge, such as a core-generating charge is fired from the projectile toward the target once it has been detected.
The efficiency of these zone-defense weapon systems is connected more particularly to the performance of the surveillance and target-acquisition device, bearing in mind that such systems are also put under two constraints concerning their camouflage on the one hand, and their reuse on the other hand, such reuse being mandatory when they have not operated during their programmed activity time, and requiring their prior recuperation, if possible, under conditions that do not involve lengthy and tedious operations.
A zone-defense weapon system of the aforementioned type is described in Patent FR-2 607 585. In this system, the surveillance and target-acquisition device includes a seismic sensor pushed into the ground, and three microphones placed respectively at the ends of three bars extended in the form of a triangle. The target is detected by a seismic sensor, and its location is calculated by processing electronics from a measurement of the phase shifts between the various signals picked up by the microphones.
To improve the efficiency of target location, the triangle formed by the three microphones must be enlarged, for instance, possibly to the detriment of system camouflage. Alternatively the performance of the processing electronics can to be improved, as envisioned in U.S. Pat. No. 5,095,467.
U.S. Pat. No. 5,095,467, discloses the use of processing electronics using digitized signals from variou

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