TREA

Directing or guiding sound by means of a phase plug

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Industry

  • CPC
  • H04R2201/34
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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 H04R2201/00Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups

Current Industry

H04R2201/34Directing or guiding sound by means of a phase plug
Industries