Loudspeaker system with improved sound

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United States of America Patent

PATENT NO 9699536
SERIAL NO

14729882

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Abstract

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A loudspeaker device is presented which includes a zeolite material comprising zeolite particles having a silicon to aluminum mass ratio of at least 200. For an increased pore fraction of pores with a diameter in a range between 0.7 micrometer and 30 micrometer shows an increased shift of the resonance frequency down to lower frequencies has been observed.

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Patent Owner(s)

Patent OwnerAddress
SSI NEW MATERIAL (ZHENJIANG) CO LTDNO 33 YANGZIJIANG ROAD DAGANG TOWN NEW DISTRICT JIANGSU ZHENJIANG 212132

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kobler, Johannes Munich, DE 7 52
Papakyriacou, Maria Vienna, AT 12 114
Sauer, Jürgen Munich, DE 7 36

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