Dual release circuit for fire protection system
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United States of America Patent
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Jul 28, 2015
Grant Date -
Nov 7, 2013
app pub date -
May 6, 2013
filing date -
May 7, 2012
priority date (Note) -
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Abstract
A dual release circuit comprises a plurality of pyrotechnic initiators electrically interconnected in series, a plurality of subcircuits electrically interconnected between the pyrotechnic initiators to form at least a first circuit route to electrically interconnect the plurality of pyrotechnic initiators and a second circuit route to electrically interconnect the pyrotechnic initiators, and a control unit electrically connected to the first circuit route and the second circuit route and configured to monitor a first parameter of the first circuit route, monitor a second parameter of the second circuit route, detect when at least one of the first parameter and the second parameter is outside of a specified parameter range, generate an alert indication according to the detection and be able to release the pyrotechnic initiators in response to a release request.
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