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US5903644A
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Monaural communication device
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ATA108596A
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METHOD FOR PRODUCING A MEMBRANE FOR an electroacoustic transducer
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DE19545623C1
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Method and device for filtering an audio signal
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ATA121395A
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Contacting an electroacoustic transformer
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ATA119894A
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Acoustic resistance, especially for electroacoustic transducers
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ATA222993A
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Electroacoustic converter
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DE4328620C1
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Process for simulating a room and / or sound impression
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ATA108192A
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Circuit formed from two operational amplifiers for a participant intercom
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ATA193291A
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Membrane for electrodynamic converters
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ATA264090A
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Telephone hand apparatus designed as a directional microphone
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ATA60990A
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Socket with flange for device installation for connectors
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ATA31190A
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Electrostatic converter
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ATA287189A
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Uhf transmitter and / or received antenna
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ATA184389A
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Electrically conductive carrier for a counterelectrode of a condenser microphone
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ATA180389A
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Microphone arrangement for video and / or film cameras
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ATA263488A
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Electro-acoustic arrangement for the presentation of audio signals for the direction-oriented spacious height in binaural playback
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ATA263588A
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Electroacoustic arrangement for playing stereophoner binaural audio signals via headphones
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ATA95788A
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Spring-mounted bracket for a microphone
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ATA59388A
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Elastic mount for microphones
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ATA52188A
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Stereophonic recording device for improving spatial listening
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