ELECTRONIC DEVICE HAVING NOISE REMOVAL FUNCTION
An electronic device having a noise removal function is provided. The electronic device includes an ear jack interface configured to operatively connect with an earphone, a key recognition unit selectively connected to a microphone contact terminal of the ear jack interface, the key recognition unit...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | An electronic device having a noise removal function is provided. The electronic device includes an ear jack interface configured to operatively connect with an earphone, a key recognition unit selectively connected to a microphone contact terminal of the ear jack interface, the key recognition unit being configured to recognize a key input of the earphone, and a switching circuit configured to electrically connect or interrupt the key recognition unit to or from the microphone contact terminal according to a key input of the earphone. |
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