4. Telecommunications
  5. Receiver or analog modulated signal frequency converter
  6. Signal selection based on frequency

Ronald E. Purkis

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Bi-directional fibre-optic coupler

Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent

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Small arms firing effects simulator

Education and demonstration – Organized armed or unarmed conflict or shooting – Gunnery
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Profile ID: LFUS-PAI-P-233157

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