Initiator activated by a stimulus

Details Initiator activated by a stimulus Initiator activated by a stimulus

2005-05-06

2009-12-01

Bergin, James S (Department: 3641)

Ammunition and explosives

Blasting

Detonation wave modifying

C089S001150

Reexamination Certificate

active

07624681

ABSTRACT:
A detonator assembly for initiating an explosive comprises a power source, an initiator, and a switch coupled between the power source and initiator. The switch has a trigger input responsive to a stimulus to activate the switch, where activation of the switch causes electrical energy to be provided to the initiator. The stimulus comprises at least one of a clock-based stimulus, a pressure stimulus, a light stimulus, an acoustic stimulus, and a vibration stimulus.

REFERENCES:
patent: 4699241 (1987-10-01), Kerekes
patent: 4971160 (1990-11-01), Upchurch
patent: 5022485 (1991-06-01), Mitchell
patent: 5369579 (1994-11-01), Anderson
patent: 5490563 (1996-02-01), Wesson et al.
patent: 7104326 (2006-09-01), Grattan et al.
patent: 7172023 (2007-02-01), Barker et al.

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