TREA

Piezo-electric transducers Electrostrictive transducers

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Industry

  • CPC
  • H04R17/00
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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

H04R17/00Piezo-electric transducers Electrostrictive transducers

Sub Industries

H04R17/005using a piezo-electric polymer H04R17/02Microphones H04R17/025using a piezo-electric polymer H04R17/04Gramophone pick-ups using a stylus Recorders using a stylus H04R17/06comprising two or more styli or transducers H04R17/08signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously H04R17/10Resonant transducers
Industries