4. Electrical audio signal processing systems and devices
  5. Electro-acoustic audio transducer
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Electro-dynamic planar loudspeaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Electro-optical device and electronic apparatus

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Driven diverse static structure
Reexamination Certificate

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Electro-vibration transducer

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Driven diverse static structure
Patent

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Electroacostic transducer

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having electrostatic element
Patent

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Electroacoustic apparatus for reproducing lowest to medium frequ

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer
Patent

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Electroacoustic converter

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Electroacoustic converter

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

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Electroacoustic converter

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having electrostatic element
Patent

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Electroacoustic converter having a recessed step on the center p

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having electrostatic element
Patent

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Electroacoustic devices with noise-reducing capability

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Reexamination Certificate

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Electroacoustic microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only
Reexamination Certificate

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Electroacoustic motor for horns

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer
Patent

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Electroacoustic novelties

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

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Electroacoustic novelties

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Driven diverse static structure
Patent

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Electroacoustic piezoelectric transducer having a broad operatin

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

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Electroacoustic transducer

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Electroacoustic transducer

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Electroacoustic transducer

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having electrostatic element
Reexamination Certificate

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Electroacoustic transducer

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Electroacoustic transducer

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

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