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    • 4. 发明授权
    • Device for connecting ear-microphone to mobile phone through interface connector thereof
    • 用于通过其接口连接器将耳麦麦克风连接到移动电话的装置
    • US07340284B2
    • 2008-03-04
    • US10460021
    • 2003-06-11
    • Sung-Wook Chung
    • Sung-Wook Chung
    • H04M1/00
    • H04M1/6058
    • Disclosed is a device for connecting an ear-microphone to a mobile phone through an interface connector of the mobile phone. The phone includes a codec which has hands-free-kit audio transmission and reception terminals connected to the interface connector. A controller includes first and second interrupt terminals which are used for detecting whether the ear-microphone plug is connected, and whether a call connection/termination key of the ear-microphone is activated, respectively. A first voltage drop detector detects a first voltage drop at the corresponding connection path when the ear-microphone plug is connected through the interface connector, and outputs a first interrupt signal to the first interrupt terminal. A second voltage drop detector detects a second voltage drop at the corresponding connection path when the call connection/termination key is activated with the ear-microphone plug being connected, and outputs a second interrupt signal to the second interrupt terminal.
    • 公开了一种用于通过移动电话的接口连接器将耳麦麦克风连接到移动电话的设备。 手机包括一个编解码器,它具有连接到接口连接器的免提套件音频传输和接收终端。 控制器包括用于检测耳麦式插头是否连接的第一和第二中断终端,以及耳麦式麦克风的呼叫连接/终止键是否分别被激活。 当耳麦式插头通过接口连接器连接时,第一电压降检测器检测相应连接路径处的第一电压降,并将第一中断信号输出到第一中断端。 第二电压降检测器在连接了耳麦式插头的情况下激活呼叫连接/终止键时检测相应连接路径处的第二电压降,并将第二中断信号输出到第二中断终端。