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United States of America Patent

APP PUB NO 20120106772A1
SERIAL NO

13382319

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A diaphragm, a static part vibratably supporting the diaphragm in the vibration direction, and a driving part provided at the static part and applying vibration to the diaphragm in response to an audio signal are provided, and the driving part includes a magnetic circuit forming a magnetic gap, a voice coil vibrating in a different direction from the vibration direction of said diaphragm in response to an inputted audio signal and a rigid vibration direction converter part direction-converting the vibration of the voice coil and transmitting the vibration to the diaphragm, and the vibration direction converter part is connected to an attaching counterpart including the diaphragm and the voice coil and includes a hinge part in the proximity of the attaching counterpart, and a contact avoiding part avoiding contact with the hinge part is formed on the face side of the attaching counterpart in the proximity of the hinge part.

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Patent Owner(s)

Patent OwnerAddress
PIONEER CORPORATIONTOKYO 113-0021
TOHOKU PIONEER CORPORATION1105 AZANIKKO OAZA-KUNOMOTO TENDO-SHI YAMAGATA 994-8585

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Yasuhisa Yamagata, JP 32 228
Hachiya, Satoshi Yamagata, JP 69 657
Horigome, Minoru Yamagata, JP 25 229
Kobayashi, Hiroyuki Yamagata, JP 792 9078

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