4. Electrical generator or motor structure
  5. Non-dynamoelectric
  6. Piezoelectric elements and devices

Christian Cognasse

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Electroacoustic insert with added coil

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Near field
Patent

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Piezoelectric insert with side electric connection clips

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

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Profile ID: LFUS-PAI-P-1132873

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