4. Acoustics
  5. Diaphragm and enclosure
  6. With horn

Louis W. Erath

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Differential pressure applanation tonometer

Surgery – Truss – Pad
Patent

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Feedback system for a sub-woofer loudspeaker

Electrical audio signal processing systems and devices – Loudspeaker feedback
Patent

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Fiber optic geophone

Measuring and testing – Speed – velocity – or acceleration – Acceleration determination utilizing inertial element
Patent

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Folded acoustical horn

Acoustics – Diaphragm and enclosure – With horn
Patent

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High sensitivity fiber optic hydrophone

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

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Profile ID: LFUS-PAI-P-280152

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