F - Mech Eng,Light,Heat,Weapons – 42 – C
Patent
F - Mech Eng,Light,Heat,Weapons
42
C
102/32
F42C 15/40 (2006.01)
Patent
CA 1193910
ABSTRACT An alternating current generator for use as a shot exploder suitable for firing electric detonators coupled through toroid transformers e.g. 'Magnadet' detonators. The detonating system is energised by means of a signal that is automatically generated at the resonant frequency, thus avoiding the usual time-consuming and dangerous practice involving in-situ determination of inductance and selection of capacitors. A power oscillator having a transistor is used to supply the energising signal. This transistor is switched by a current feedback signal. In the preferred form a transformer is located in series with the output, the secondary of the transformer driving the transistor.
393131
Ballantyne Donald G.
Orica Explosives Technology Pty Ltd.
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