4. Acoustics
  5. Plural diaphragm sound sources

William J. Gelow

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Full-range loudspeaker system for cinema screen

Acoustics – Diaphragm and enclosure – With horn
Reexamination Certificate

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High-frequency loudspeaker module for cinema screen

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

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Sound-damping laminate for loudspeaker structure

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

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Spaceframe with array element positioning

Acoustics – Plural diaphragm sound sources
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Profile ID: LFUS-PAI-P-558769

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