Circuitry for igniting detonators

Details Circuitry for igniting detonators Circuitry for igniting detonators

1991-09-26

1995-09-05

Johnson, Stephen M.

Ammunition and explosives

Igniting devices and systems

Ignition or detonation circuit

102211, 102216, 1022023, F42C 112

Patent

active

H00014761

ABSTRACT:
A MOS controlled thyristor is incorporated into detonator ignition circui to reduce the physical size thereof, while also providing for ignition reliability enhancement. Signals to either prevent or trigger conduction of detonator ignition energy through the MOS controlled thyristor are applied to the gate terminal thereof by at least one capacitor in the preferred embodiments. The detonator ignition energy is also delivered from at least one capacitor in those embodiments of the circuitry for use with missile warheads and shunt resistors are connected to dissipate the energy stored in all of the capacitors for safety reasons.

REFERENCES:
patent: 2514434 (1950-07-01), Windes
patent: 3106160 (1963-10-01), Harnau et al.
patent: 3732564 (1973-05-01), Kuck et al.
patent: 3853066 (1974-12-01), Campagnuolo et al.
patent: 4218977 (1980-08-01), Kalmus
patent: 4934268 (1990-06-01), Levin
patent: 4954869 (1990-09-01), Bauer
patent: 5055700 (1991-10-01), Dhyanchand

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