TREA

signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

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Industry

  • CPC
  • H04R19/10
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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 H04R19/00Electrostatic transducers

Current Industry

H04R19/10signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
Industries