TREA

Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet

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Industry

  • CPC
  • H04R13/00
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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

H04R13/00Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet

Sub Industries

H04R13/02Telephone receivers
Industries