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Electro-acoustic micro-transducer having three-mode...

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

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Electro-acoustic system

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

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Electro-acoustic transducer

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

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Electro-acoustic transducer

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

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Electro-acoustic transducer

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

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Electro-acoustic transducer

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

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Electro-acoustic transducer

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having acoustic wave modifying structure
Reexamination Certificate

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Electro-acoustic transducer

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

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Electro-acoustic transducer

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

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Electro-acoustic transducer

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

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Electro-acoustic transducer and electronic apparatus using it

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Mounting or support feature of housed loudspeaker
Reexamination Certificate

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Electro-acoustic transducer and electronic device

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
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Electro-acoustic transducer arranged within the handset of a tel

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

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Electro-acoustic transducer device

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

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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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Electro-acoustic transducer with diaphragm and blank therefor

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

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Electro-acoustic transducer with resistance to shock-waves

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

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Electro-acoustic transducer with two diaphragms

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

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Electro-dynamic exciter

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Driven diverse static structure
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Electro-dynamic loudspeaker mounting system

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Mounting or support feature of housed loudspeaker
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