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

Peter E. Madden

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Decoupling ring

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

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Matched array plate

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

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Noise cancellation method and apparatus

Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent

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Profile ID: LFUS-PAI-P-494372

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