Next-Generation Thermo-Electric Digital Time Delay Device. Replacement for Current Pyrotechnic Delay Cartridges
GOODRICH CORP PHOENIX AZ AIRCRAFT INTERIOR PRODUCTS PROPULSION
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What is the digital time delay or DTD 1 A new thermo-electric device which can directly replace many existing pyrotechnic time delay cartridges. 2 Requires no external source of power and does not contain batteries. 3 Provides order of magnitude improvement in timing accuracy. How does it operate 1 It converts heat energy into electric power using a thermoelectric module. 2 It uses a low power digital micro-controller with a crystal oscillator to accurately measure delay time.
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