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Loudspeaker system having a bass-reflex port

Acoustics – Diaphragm and enclosure – Reflex baffle
Patent

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Loudspeaker system with forced air circulation and control...

Acoustics – Diaphragm and enclosure
Reexamination Certificate

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Loudspeaker system with wide dispersion baffle

Acoustics – Diaphragm and enclosure – Reflector baffle
Patent

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Loudspeaker systems

Acoustics – Diaphragm and enclosure – With sound-absorbing means
Reexamination Certificate

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Loudspeaker waveguide design

Acoustics – Diaphragm and enclosure – With horn
Patent

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Loudspeaker with differential energy distribution in...

Acoustics – Diaphragm and enclosure – With horn
Reexamination Certificate

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Loudspeaker with differentiated energy distribution in vertical

Acoustics – Diaphragm and enclosure – With horn
Patent

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Loudspeaker with directed airflow cooling

Acoustics – Diaphragm and enclosure
Reexamination Certificate

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Loudspeakers

Acoustics – Diaphragm and enclosure
Reexamination Certificate

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Louver structure with movable slats for a loudspeaker box

Acoustics – Diaphragm and enclosure – Reflector baffle
Patent

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Low cost vehicle electrical and electronic components and...

Acoustics – Diaphragm and enclosure
Reexamination Certificate

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Low distortion audio speaker cabinet

Acoustics – Diaphragm and enclosure – Reflex baffle
Patent

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Low frequency folded exponential horn loudspeaker apparatus with

Acoustics – Diaphragm and enclosure – With horn
Patent

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Low frequency speaker enclosure

Acoustics – Diaphragm and enclosure – With horn
Patent

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Low frequency speaker enclosure

Acoustics – Diaphragm and enclosure – With sound-absorbing means
Patent

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Low-frequency sound reproducing speaker apparatus

Acoustics – Diaphragm and enclosure – Reflex baffle
Reexamination Certificate

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