TREA

in which the sound is perpendicular to the current crossing the transducer material

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Industry

  • CPC
  • H04R21/026
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Parent Industries

HELECTRICITY H04Electric communication H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS DEAF-AID SETS PUBLIC ADDRESS SYSTEMS H04R21/00Variable-resistance transducers

Current Industry

H04R21/026in which the sound is perpendicular to the current crossing the transducer material
Industries