Dual-frequency coaxial earphone

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United States of America Patent

PATENT NO 9532133
APP PUB NO 20160044405A1
SERIAL NO

14604507

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Abstract

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A dual-frequency coaxial earphone includes a dynamic transducer, a cover and a second transducer. The dynamic transducer includes a supporting structure and a vibrating diaphragm mounted to the supporting structure. The cover covers on the supporting structure, so that the cover and the supporting structure define a sound adjusting chamber therein. The cover includes an adjusting orifice communicating with the sound adjusting chamber. The second transducer is adapted to the cover and the second transducer has a first side facing toward the sound adjusting chamber. The sound adjusting chamber is located between the vibrating diaphragm and the second transducer.

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Patent Owner(s)

Patent OwnerAddress
JETVOX ACOUSTIC CORPNO 22 DALIN RD TAOYUAN DIST TAOYUAN CITY 330

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Huang, To-Teng Taoyuan, TW 33 655
Huang, Ying-Shin Taoyuan, TW 3 60

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