Sound amplification system having a submersible microphone

Details Sound amplification system having a submersible microphone Sound amplification system having a submersible microphone

1995-10-16

1997-05-06

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Receivers

H04R 1700, H04R 144

Patent

active

056278020

ABSTRACT:
A sound amplification system includes an amplifier and a waterproof microphone. In an exemplary embodiment the microphone includes a transducer within a cavity covered by a resilient waterproof membrane. The system can monitor either the complete frequency range of the microphone or only one or more selected frequency ranges. The system can include one or more noise emitting lures that produce sound in a frequency range corresponding to the one or more selected frequency ranges. The invention also includes a method of waterproofing a miniature microphone. A housing can be provided for the microphone to protect it and to reduce background noise caused by turbulence during towing. The housing has a streamlined shape and can be weighted. One or more fins can be provided to stabilize the housing.

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