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

Samuel A Face, Jr.

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Feedback-responsive piezoelectric vibrating device

Measuring and testing – Vibration – Resonance – frequency – or amplitude study
Patent

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Multi-segmented high deformation piezoelectric array

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

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Piezoelectric vibrating apparatus

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

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Profile ID: LFUS-PAI-P-1347403

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