4. Acoustics
  5. Diaphragm and enclosure

Richard G. Plourde

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Dynamic equalizing

Electrical audio signal processing systems and devices – Including frequency control – Automatic tone control
Patent

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Dynamic equalizing

Electrical audio signal processing systems and devices – Including frequency control – Automatic tone control
Reissue Patent

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Method of and means for loudspeaker sound wave distribution

Acoustics – Diaphragm and enclosure
Patent

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Self-cooled loudspeaker

Acoustics – Diaphragm and enclosure – Reflex baffle
Patent

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Speaker assembly

Acoustics – Diaphragm and enclosure – Reflex baffle
Patent

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Profile ID: LFUS-PAI-P-1085870

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