TREA

Aspects covered by H04R or H04S not otherwise provided for in their subgroups

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Industry

  • CPC
  • H04R2499/00
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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

H04R2499/00Aspects covered by H04R or H04S not otherwise provided for in their subgroups

Sub Industries

H04R2499/01General technical reviews, overviews, tutorials H04R2499/10General applications H04R2499/11Transducers incorporated or for use in hand-held devices H04R2499/13Acoustic transducers and sound field adaptation in vehicles H04R2499/15Transducers incorporated in visual displaying devices
Industries