Earphone
The utility model discloses an earphone. The earphone comprises a housing and a noise pickup microphone. The noise pickup microphone is mounted in the shell and is used for collecting environmental noise; the housing is provided with a sound receiving channel with two open ends, and the sound receiv...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses an earphone. The earphone comprises a housing and a noise pickup microphone. The noise pickup microphone is mounted in the shell and is used for collecting environmental noise; the housing is provided with a sound receiving channel with two open ends, and the sound receiving channel is provided with a first through hole. The noise pickup microphone is communicated with the sound receiving channel through the first through hole; external airflow flows in from an opening in one end of the sound receiving channel and flows out from an opening in the other end of the sound receiving channel. After external environment noise is transmitted into the sound receiving channel, the external environment noise is transmitted into the first through hole, and the noise pickup microphone picks up the noise through the first through hole. External environment noise is transmitted to the noise pickup microphone through the sound receiving channel and the first through hole, and external airflow flo |
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