Control circuit for the conduction of an electronic switch

Details Control circuit for the conduction of an electronic switch Control circuit for the conduction of an electronic switch

1975-11-12

1977-08-30

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

F42C 1100

Patent

active

040446816

ABSTRACT:
A detonator control circuit, principally for use for setting off an explosive charge, but other applications include, e.g., setting off a burglar alarm. The circuit includes a D.C. source, a first thyristor connected in series with the source and a detonator or alarm bell, etc. and a second thyristor connected in a triggering circuit. The control circuit is primed by causing the second thyristor to conduct and thereafter is kept in a state of readiness for allowing the first thyristor to conduct when required and detonate an explosion or ring the bell, etc.
Preferably an indicator lamp shows that priming is taking place successfully and when it goes out the circuit is ready.

REFERENCES:
patent: 3548749 (1970-12-01), Dreitzler
patent: 3598056 (1971-08-01), West et al.
patent: 3665860 (1972-05-01), West
patent: 3690259 (1972-09-01), Piazzo et al.

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