EARPHONE AND TERMINAL DEVICE
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United States of America Patent
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Issued Date -
Jan 23, 2025
app pub date -
Dec 9, 2022
filing date -
Dec 9, 2022
priority date (Note) -
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Abstract
In accordance with an embodiment, an earphone includes: a housing having a cavity structure disposed within, and a sound output port in communication with the cavity structure; and a first sound transducer, a second sound transducer, and a third sound transducer disposed in the cavity structure, wherein: a sound production frequency of the second sound transducer is greater than a sound production frequency of the third sound transducer and is less than a sound production frequency of the first sound transducer, and the third sound transducer is a micro-electro-mechanical-system located between the first sound transducer and the sound output port.
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