Earphone with dual loudspeakers

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9344784
APP PUB NO 20150304763A1
SERIAL NO

14538301

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An earphone with dual loudspeakers includes a casing, a retaining member, a tweeter, and a woofer. The casing has a first sound outlet passage and an accommodation space therein. The retaining member is installed in the accommodation space. Two ends of the retaining member are formed with a first accommodation cavity and a second accommodation cavity, respectively. The tweeter and the woofer are respectively installed in the first and second accommodation cavities and then installed in the casing. The tweeter has a sound outlet side facing the first sound outlet passage. A second sound outlet passage is formed between the outer wall of the tweeter and the inner wall of the first accommodation cavity. The second sound outlet passage communicates with the first sound outlet passage. The woofer has a sound outlet side facing the second sound outlet passage.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
TRANSOUND ELECTRONICS CO LTDDONGGUAN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wen, Tsengfeng Dongguan, CN 3 14
Yang, Huiguang Dongguan, CN 10 16

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