4. Wave transmission lines and networks
  5. Coupling networks
  6. Electromechanical filter

Fred G. Geil

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Mechanical filter and method of acoustically coupling waveguides

Wave transmission lines and networks – Coupling networks – Electromechanical filter
Patent

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Method and means for measuring temperature using acoustical reso

Measuring and testing – Gas analysis – Moisture content or vapor pressure
Patent

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Transducer array

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

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Profile ID: LFUS-PAI-P-616153

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