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Time controlled hearing aid

Electrical audio signal processing systems and devices – Hearing aids – electrical
Reexamination Certificate

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Time-controlled hearing aid

Electrical audio signal processing systems and devices – Hearing aids – electrical
Reexamination Certificate

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Tool for hearing aid adjustment

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate

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Tool for insertion and removal of a hearing aid ear wax...

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate

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Transducer

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent

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Transducer

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent

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Transducer device

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent

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Transducer for electromagnetic hearing devices

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate

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Transmission coil system and remote control for a hearing aid

Electrical audio signal processing systems and devices – Hearing aids – electrical – Remote control – wireless – or alarm
Reexamination Certificate

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Transmission detection and switch system for hearing...

Electrical audio signal processing systems and devices – Hearing aids – electrical – Remote control – wireless – or alarm
Reexamination Certificate

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Trimmable variable compression amplifier for hearing aid

Electrical audio signal processing systems and devices – Hearing aids – electrical – Wideband gain control
Patent

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Two line variable word length serial interface

Electrical audio signal processing systems and devices – Hearing aids – electrical – Programming interface circuitry
Reexamination Certificate

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Two stage implantable microphone

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent

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Two terminal microphone active load gain regulation circuit

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent

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Two-stage adaptive feedback cancellation scheme for hearing...

Electrical audio signal processing systems and devices – Hearing aids – electrical – Noise compensation circuit
Reexamination Certificate

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Two-wired hearing aid system utilizing two-way communication...

Electrical audio signal processing systems and devices – Hearing aids – electrical – Remote control – wireless – or alarm
Reexamination Certificate

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Universal self-attaching inductive coupling unit for connecting

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent

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Universal-fit hearing device

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate

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Upper audio range hearing apparatus and method

Electrical audio signal processing systems and devices – Hearing aids – electrical – Frequency transposition
Reexamination Certificate

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Use of mouth position and mouth movement to filter noise...

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate

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