Elektronisk fördröjningsdetonator

PCT No. PCT/JP95/00558 Sec. 371 Date Mar. 28, 1996 Sec. 102(e) Date Mar. 28, 1996 PCT Filed Mar. 27, 1995 PCT Pub. No. WO95/33178 PCT Pub. Date Dec. 7, 1995An electronic delay detonator in which only energy is received only from a blasting unit to determine a delay time, has an oscillating circuit (...

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Hauptverfasser:	KAZUHIRO KUROGI, TATSUMI ARAKAWA
Format:	Patent
Sprache:	swe
Schlagworte:	AMMUNITION AMMUNITION FUZES ARMING OR SAFETY MEANS THEREFOR BLASTING EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION HEATING LIGHTING MECHANICAL ENGINEERING WEAPONS
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Zusammenfassung:	PCT No. PCT/JP95/00558 Sec. 371 Date Mar. 28, 1996 Sec. 102(e) Date Mar. 28, 1996 PCT Filed Mar. 27, 1995 PCT Pub. No. WO95/33178 PCT Pub. Date Dec. 7, 1995An electronic delay detonator in which only energy is received only from a blasting unit to determine a delay time, has an oscillating circuit (20) which outputs oscillation pulses in a first transitory oscillation state in which the oscillation pulses are output immediately after the oscillating circuit (20) starts to operate based on storage energy stored in an energy storing circuit (9), and in a second steady oscillation state. The steady oscillation state of the oscillating circuit is switched, based on an enable signal generated after a predetermined period of time.