Detonator actuator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 25, 1992
Issued Date -
N/A
app pub date -
Nov 9, 1988
filing date -
Jun 28, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An actuator for use in conjunction with a detonator for blasting comprises electronic circuitry which on receiving input signals generates an output arm signal to arm a detonator, and then after a predetermined delay an output actuate signal to fire the detonator and an associated explosive charge. The delay is capable of being remotely and precisely set. The actuator is preferably used in conjunction with a control device which has a microcomputer whose memory contains arm and actuate codes and which has both arm and actuate keys. This microcomputer is such that the actuate key must be operated within a predetermined period after operation of the arm key, otherwise an actuate signal is not transmitted to the actuator.
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