Micro-speaker

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United States of America Patent

PATENT NO 9049506
APP PUB NO 20130279737A1
SERIAL NO

13921299

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Abstract

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A micro-speaker includes a yoke, a magnet assembly attached to the yoke, a voice coil, and a diaphragm connected with the voice coil. The yoke defines a bottom wall, and a number of sidewalls extending upwards from the bottom wall. The magnet assembly includes a main magnet positioned on the bottom wall, and a number of secondary magnets positioned on tops of the sidewalls.

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Patent Owner(s)

Patent OwnerAddress
AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO LTDA-BLOCK NANJING UNIVERSITY RESEARCH CENTER SHENZHEN BRANCH NO 6 YUEXING 3RD ROAD SOUTH HI-TECH INDUSTRIAL PARK NANSHAN DISTRICT SHENZHEN P R CHINA SHENZHEN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jiang, Wen-Tao Shenzhen, CN 10 48
Li, Lin-Zhen Shenzhen, CN 16 155
Shi, Lei Shenzhen, CN 557 2723
Wu, San-You Shenzhen, CN 7 49
Zhang, Xiong Shenzhen, CN 95 1001

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