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Decorative speaker cover

Acoustics – Diaphragm and enclosure – Recessed
Patent

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Decorative speaker enclosure

Acoustics – Diaphragm and enclosure – Recessed
Patent

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Device and circuit for the generation of vortex rings

Acoustics – Diaphragm and enclosure – Rounded enclosure
Patent

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Device and method for installing vehicle door speaker

Acoustics – Diaphragm and enclosure – Recessed
Reexamination Certificate

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Device for enlarging the effective volume of a loudspeaker enclo

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

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Device for the fastening of covers or panels for the decoration

Acoustics – Diaphragm and enclosure – Recessed
Patent

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Direction-adjustable speaker system

Acoustics – Diaphragm and enclosure – Rounded enclosure
Patent

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Display enclosure having thin speaker

Acoustics – Diaphragm and enclosure – Moisture proof
Reexamination Certificate

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Display enclosure having thin speaker

Acoustics – Diaphragm and enclosure – Moisture proof
Reexamination Certificate

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Door trim speaker grille with electroluminescent lamp and...

Acoustics – Diaphragm and enclosure – Recessed
Reexamination Certificate

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Double chamber bass reflex box

Acoustics – Diaphragm and enclosure – Reflex baffle
Patent

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Drop-in speaker mount

Acoustics – Diaphragm and enclosure – Recessed
Patent

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Dual acoustic horn assembly

Acoustics – Diaphragm and enclosure – With horn
Patent

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Dual mono center channel

Acoustics – Diaphragm and enclosure
Reexamination Certificate

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Dual range horn with acoustic crossover

Acoustics – Diaphragm and enclosure – With horn
Reexamination Certificate

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