Low-cost near-surface burst (NSB) capability for proximity fuzes

Details Low-cost near-surface burst (NSB) capability for proximity fuzes Low-cost near-surface burst (NSB) capability for proximity fuzes

1995-02-16

1997-04-01

Sotomayor, John B.

Communications: directive radio wave systems and devices (e.g.,

Return signal controls external device

Proximity fuze

102214, F42C 1304

Patent

active

056170971

ABSTRACT:
System and modifications are presented which allow existing artillery and rtar projectile proximity fuzes to have a near-surface burst (NSB) option enabling low height of bursts ranging between one and three meters. The additional circuitry needed to implement this NSB into an existing fuze is a single operational amplifier. The velocity of the fuze is calculated by the micro-controller counting the number of Doppler cycles over a pre-determined sample period of time. Thereafter, using the fuze velocity, the delay time needed for a NSB detonation is computed.

REFERENCES:
patent: 4036142 (1977-07-01), Williams
patent: 4782757 (1988-11-01), Carter
patent: 5525975 (1996-06-01), Walker et al.
patent: 5539410 (1996-07-01), Zveglich

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