TREA

Stereophonic arrangements

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Industry

  • CPC
  • H04R5/00
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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

H04R5/00Stereophonic arrangements

Sub Industries

H04R5/02Spatial or constructional arrangements of loudspeakers H04R5/023in a chair, pillow H04R5/027Spatial or constructional arrangements of microphones H04R5/033Headphones for stereophonic communication H04R5/0335Earpiece support H04R5/04Circuit arrangements
Industries