Optical proximity fuze

Details Optical proximity fuze Optical proximity fuze

1989-03-20

1990-01-30

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Ignition or detonation circuit

F42C 1302

Patent

active

048966061

ABSTRACT:
An optical proximity fuze for detonating the associated projectile or missile at a desired distance from a target is extremely sensitive to interfering effects, for example, to rain drops which simulate a target which is non-existent. To minimize the probability of the optical proximity fuze responding in undesired manner to rain drops and thus to reduce the danger of premature detonation of the projectile or missile due to interfering effects, the optical proximity fuze comprises at least two optical transmitters at each of which there is arranged at least one respective optical receiver. The target distance is simultaneously measured by the at least two optical receivers in several chronological measurements. Detonation is only accomplished when the at least two receivers simultaneously respond.

REFERENCES:
patent: 3554129 (1971-01-01), Alpers
patent: 3749918 (1973-07-01), Jones
patent: 4306500 (1981-12-01), Castanien
patent: 4409900 (1983-10-01), Currie
patent: 4709142 (1987-11-01), Dahl
Patent Abstracts of Japan, Band 1, Nr. 39, (2359) (M-76), Apr. 20, 1977 and JP, A, 51-145200 (Boeicho Gijutsuhonbu), Dec. 13, 1976.

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