发明名称 SPEAKER-RECEIVER-MIKE ALL-IN-ONE SYSTEM AND MOBILE COMMUNICATION TERMINAL BY USING IT AND SPEAKER-RECEIVER-MIKE MODE SWITCHING SCHEME
摘要 A speaker-receiver-microphone integrated apparatus, a mobile terminal using the same and a mode converting method of the mobile terminal are provided to improve the convenience and satisfaction of a user by including a stereo voice recording function and an external loud speaker when reproducing music and movie. A receiver terminal is connected to one side of resistance. A speaker terminal is connected with a coil formed around a vibration plate(300, 400). A microphone terminal is connected to the other side of the resistance. A speaker-receiver-microphone integrated apparatus selectively applies a speaker mode, a receiver mode, and a microphone mode by using the vibration plate. Voltage is applied to both ends of coil through the speaker terminal.
申请公布号 KR20080102742(A) 申请公布日期 2008.11.26
申请号 KR20070049580 申请日期 2007.05.22
申请人 DONGBU HITEK CO., LTD. 发明人 HONG, DAE HEUM
分类号 H04B1/40 主分类号 H04B1/40
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