TREA

Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups

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Industry

  • CPC
  • H04R2307/00
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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

Current Industry

H04R2307/00Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups

Sub Industries

H04R2307/021Diaphragms comprising cellulose-like materials H04R2307/023Diaphragms comprising ceramic-like materials H04R2307/025Diaphragms comprising polymeric materials H04R2307/027Diaphragms comprising metallic materials H04R2307/029Diaphragms comprising fibres H04R2307/201Damping aspects of the outer suspension of loudspeaker diaphragms by addition of additional damping means H04R2307/204Material aspects of the outer suspension of loudspeaker diaphragms H04R2307/207Shape aspects of the outer suspension of loudspeaker diaphragms
Industries