4. Communications, electrical: acoustic wave systems and devices
  5. Signal transducers
  6. Underwater type

Brian B. Crawford

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Distributed acoustic sensor

Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Patent

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Distributed fiber optic sensor for locating and identifying remo

Optics: measuring and testing – Material strain analysis – By light interference detector
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Optical fiber detection system with disturbance and positive cut

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Profile ID: LFUS-PAI-P-1304854

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