Speaker unit having two voice coils wound around a common coil bobbin

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United States of America Patent

PATENT NO 4783824
SERIAL NO

06789028

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Abstract

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A speaker unit having a pair of voice coils each wound around a common coil bobbin and a first magnet for driving one coil of the pair of voice coils. A second magnet is provided for suppressing flux leakage of the first magnet and driving one coil of the pair of voice coils.

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Patent Owner(s)

Patent OwnerAddress
TRIO KABUSHIKI KAISHA 17-5 SHIBUYA 2-CHOME SHIBUYA-KU TOKYO JAPAN A CORP OF JAPANNot Provided

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kobayashi, Yoshihiro Tokyo, JP 153 1041

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