Radio frequency device for marking munition impact point

Details Radio frequency device for marking munition impact point Radio frequency device for marking munition impact point

1991-11-26

1994-01-25

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Ignition or detonation circuit

102293, 102513, F42B 1240

Patent

active

052807517

ABSTRACT:
A munition incorporating a miniature transmitter (25) and a piezoelectric power supply (45) which converts a portion of the kinetic energy of the projectile (20), upon impact, into radio frequency energy and radiates that energy into space. The transmitter (25) can be made in suitable sizes to fit various calibers of ammunition. Different caliber ammunition can be made to radiate different frequencies. The transmitted RF energy allows the point of impact of the projectiles to be located with a high degree of precision. This type of munition may be used in the scoring of air to ground gunnery in training environments by receiving the RF energy at several known locations and determining the point of impact using time of arrival or angle of arrival techniques. Frequency discrimination allows simultaneous scoring of multiple weapons from the same aircraft or from multiple aircraft. The munition may be employed in tactical applications by allowing the fall of fire to be located and adjusted.

REFERENCES:
patent: 4796834 (1989-01-01), Ahlstrom
patent: 5014062 (1991-05-01), Schriner et al.

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