Apparatus for locating failures in detonation devices
A method is provided for locating failures in a sequentially arranged chain of detonation devices. The method comprises initiating a test signal and passing this signal sequentially along the chain from each correctly operating detonation device to the next after a predetermined delay at each device...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A method is provided for locating failures in a sequentially arranged chain of detonation devices. The method comprises initiating a test signal and passing this signal sequentially along the chain from each correctly operating detonation device to the next after a predetermined delay at each device; monitoring the chain of detonation devices by receiving a confirmation signal from each correctly operating device which has received the test signal; and ascertaining the last device to have received the test signal by a cumulative count of the number of detonation devices which have received the test signal. |
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