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Device for conversion between electrical oscillations and acoust

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

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Device for detecting pressure fluctuations, display device,...

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

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Device for implanting a microphone and a pressure...

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having protective or sheilding feature
Reexamination Certificate

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Device for picking up bone-conducted sound in external auditory

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Body contact wave transfer
Patent

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Device for protecting a microphone from external disturbances

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

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Device for receiving earphone/microphone wire of holdfree hand s

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

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Device for reducing structural-acoustic coupling between the...

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

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Device having two coaxially disposed bodies which are...

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

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Device including a built-in electroacoustic transducer for...

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

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Device to improve loudspeaker enclosure duct

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

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Device with acoustic guard

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having protective or sheilding feature
Reexamination Certificate

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Devices and transducers with cavity resonator to control 3-D...

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

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Devices for displaying modal patterns

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

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Diaphragm and loudspeaker using same

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

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Diaphragm and speaker device

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

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Diaphragm and speaker using same

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

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Diaphragm edge of speaker

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

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Diaphragm for a capacitance type loudspeaker

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

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Diaphragm for electroacoustic transducer and method of...

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
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Diaphragm for full range boxless rotary loudspeaker driver

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