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    • 1. 发明授权
    • Multi-jack detector
    • 多插孔检测器
    • US07071702B2
    • 2006-07-04
    • US10776536
    • 2004-02-12
    • Ming-Jane HsiehChuting SuYi-Shu ChangMing-Lih Lin
    • Ming-Jane HsiehChuting SuYi-Shu ChangMing-Lih Lin
    • G01R31/04G01R19/00H01H31/02H04M1/00
    • H04R5/04H04B1/20H04R29/00H04R2420/05
    • A multi-jack detector for detecting states of a plurality of jacks. Each jack comprises a first switch having a first normally closed terminal and a first output terminal. The multi-jack detector comprises a plurality of bias resistors each coupled to one of the first output terminals, respectively; a control unit for determining the states of the plurality of jacks; wherein the first normally closed terminals are commonly coupled to a first node and the control unit determines the states of the plurality of jacks according to a voltage at the first node. Because the voltage at the first node is different for each state of the jacks, the detector can detects the states of the jacks using a single I/O pin.
    • 一种用于检测多个插孔的状态的多插孔检测器。 每个插孔包括具有第一常闭端子和第一输出端子的第一开关。 多插座检测器包括分别耦合到第一输出端之一的多个偏置电阻器; 用于确定所述多个插孔的状态的控制单元; 其中所述第一常闭端子共同耦合到第一节点,并且所述控制单元根据所述第一节点处的电压来确定所述多个插孔的状态。 因为第一节点处的电压对于插孔的每个状态是不同的,所以检测器可以使用单个I / O引脚来检测插座的状态。