Electronic turns counting safety and arming mechanism

Details Electronic turns counting safety and arming mechanism Electronic turns counting safety and arming mechanism

1982-08-26

1984-09-11

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Arming devices

102215, 102262, F42C 1540

Patent

active

044703511

ABSTRACT:
A centrifugal rotor operates under the influence of the spin of the fuze to close a switch for a fraction of a fuze revolution. The switch closure controls a counter which counts the cycles of a relatively high frequency oscillator for the fraction of a revolution. This fractional count is multiplied by a constant to attain a required total number of revolutions. A second counter counts the cycles of the oscillator from the time the oscillator is turned on until the total revolution count is attained, at which time the fuze is armed.

REFERENCES:
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patent: 3670655 (1972-06-01), Krupa
patent: 3699892 (1972-10-01), Kopec et al.
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patent: 3853062 (1974-12-01), Cole
patent: 3890901 (1975-06-01), Anderson et al.
patent: 3964396 (1976-06-01), Herold et al.
patent: 3972290 (1976-08-01), Czajkowski et al.
patent: 4051339 (1977-09-01), Will et al.
patent: 4145971 (1979-03-01), Graham et al.

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