Speaker system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8311254
APP PUB NO 20110286613A1
SERIAL NO

12886785

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An audio speaker comprises three modules stacked on one another to form a tower. The bottom module generates a magneto-strictive output that is coupled to the structure on which the bottom module stands to cause audio signal radiation from that structure. The top module has an upwardly facing cone speaker that radiates audio signals primarily in the upper audio frequency range. These two audio signal radiations combine to provide a more comprehensive frequency range signal than is normally obtained at the small size of the tower. An intermediate module plays media such as an audio card. The modules are releasably held together by embedded magnets in the adjacent facing surfaces of the modules. Signal information is transmitted between modules by terminals on adjacent facing surfaces. The upwardly facing surface has a set of recessed spring loaded upwardly extending terminals. The mating terminals on the downwardly facing surface are flush with the surface contact terminals.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
FRANKLIN ELECTRONIC PUBLISHERS INCORPORATEDONE FRANKLIN PLAZA BURLINGTON NJ 08016

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Langberg, Eric A Milford, US 4 65
Lipsky, Barry J Burlington, US 8 49

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