Electronic delay detonator

Details Electronic delay detonator Electronic delay detonator

F - Mech Eng,Light,Heat,Weapons

42

C

327/119, 342/47,

F42C 11/06 (2006.01)

Patent

CA 1226044

ABSTRACT OF THE DISCLOSURE An electronic delay detonator actuated after the lapse of a predetermined delay time from the applica- tion of an input power source, comprises a capacitor for storing the electrical energy supplied from the input power source, a diode bridge for preventing the stored electrical energy from being released reversely toward the input power source, a CR oscillator, a counter for generating a signal upon having counted a pulse signal produced from the CR oscillator by a predetermined number, and a thruster driven by the signal for supplying the electrical energy stored in the capacitor to an ignition device in the detonator, the delay time being accurately determined by counting the pulses generated from the CR oscillator.

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