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

Kazuaki Hamada

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Communication cable, and communication wire protecting tube

Electricity: conductors and insulators – Conduits – cables or conductors – Insulated
Reexamination Certificate

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Method and device for distance measurement by pulse radar

Communications: directive radio wave systems and devices (e.g. – Determining distance – With pulse modulation
Reexamination Certificate

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Piezoelectric electroacoustic transducer

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

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Piezoelectric electroacoustic transducer

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

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Piezoelectric electroacoustic transducer

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

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Profile ID: LFUS-PAI-P-2701633

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