| 摘要 |
<p>The present invention relates to an electronic device having a noise removal function, which comprises: an earjack interface for connecting an earphone; a key recognition unit selectively connected to a microphone contact terminal of the earjack interface, and recognizing a key input of the earphone; and a switching circuit unit for electrically connecting or blocking the key recognition unit and the microphone contact terminal according to whether the key of the earphone is inputted. Various embodiments are also possible.</p> |
