4. Acoustics
  5. Plural diaphragm sound sources
  6. With sound-asborbing means

John Strohbeen

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Compensation network for loudspeakers

Electrical audio signal processing systems and devices – Including frequency control – Having automatic equalizer circuit
Patent

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Loudspeaker

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor
Patent

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Loudspeaker

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor
Patent

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Loudspeaker system for producing coherent sound

Acoustics – Plural diaphragm sound sources – With sound-asborbing means
Patent

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Multidriver loudspeaker

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Profile ID: LFUS-PAI-P-884539

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