Discriminating sensor for contact fuzing

Details Discriminating sensor for contact fuzing Discriminating sensor for contact fuzing

1975-09-29

1977-03-01

Brown, David H.

Ammunition and explosives

Igniting devices and systems

102 73R, 200 6145R, 200 6145M, F42C 1906, H01H 3502

Patent

active

040096629

ABSTRACT:
A discriminating sensor for contact fuzing capable of discriminating between vibrations in flight and terminal impact includes one or more mass-spring systems constituting the moving portion of the sensor. Each mass-spring system is provided with controlled damping. The masses restrained by springs are displaced upon terminal impact to close an electric circuit. Each mass-spring system is provided with controlled damping so that the circuit will not be closed under frequently repeated perturbations or vibrations in flight. One form of damping is by one or more permanent magnets so placed that the magnetic force exerted on the moving mass opposes the motion in either direction.

REFERENCES:
patent: 2436396 (1948-02-01), McCaslin
patent: 2898416 (1959-08-01), Clurman
patent: 2972026 (1961-02-01), Kendall
patent: 3685452 (1972-08-01), Held
patent: 3733448 (1973-05-01), Brady
patent: 3778572 (1973-12-01), Matsui et al.
patent: 3793498 (1974-02-01), Matsui et al.

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