4. Electrical audio signal processing systems and devices
  5. Electro-acoustic audio transducer
  6. Electrostrictive, magnetostrictive, or piezoelectric

Stefan Pieper

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Device for protecting electrical apparatus and the operator when

Telephonic communications – Terminal – Housing or housing component
Patent

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Electro-acoustic transducer

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent

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Electro-acoustic transducer unit

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electrostrictive – magnetostrictive – or piezoelectric
Patent

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Profile ID: LFUS-PAI-P-697561

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