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    • 1. 发明授权
    • Audio output controller and control method
    • 音频输出控制器和控制方式
    • US08983086B2
    • 2015-03-17
    • US13334102
    • 2011-12-22
    • Yang XinTsung-Jen ChuangJun ZhangJun-Wei ZhangRen-Wen HuangQiang You
    • Yang XinTsung-Jen ChuangJun ZhangJun-Wei ZhangRen-Wen HuangQiang You
    • H04R1/10H04R5/04H04R5/033
    • H04R5/04H04R5/033H04R2420/05
    • An output controller and an method for outputting a signal flow to one or more earphone jacks according to a connection status of each earphone jack. The output controller includes an interface unit having more than one earphone jacks and an output control unit. The output control unit includes a signal input terminal for receiving a signal flow, a detector, and a determining module. The detector detects whether each earphone jack is connected with an earphone and outputs one or more detected signals representing the connection status of the earphone jacks. The determining module outputs the signal flow directly to the connected earphone jack if only one earphone jack is connected to the earphone or distributes the signal flow being amplified correspondingly into each connected earphone jack if more than one earphone jack is connected to the earphones.
    • 一种输出控制器和根据每个耳机插孔的连接状态将信号流输出到一个或多个耳机插孔的方法。 输出控制器包括具有多于一个耳机插孔和输出控制单元的接口单元。 输出控制单元包括用于接收信号流的信号输入端子,检测器和确定模块。 检测器检测每个耳机插孔是否与耳机连接,并且输出表示耳机插孔的连接状态的一个或多个检测信号。 如果只有一个耳机插孔连接到耳机,确定模块将信号流直接输出到连接的耳机插孔,或者如果多于一个的耳机插孔连接到耳机,则将信号流相应地放大到每个连接的耳机插孔中。
    • 4. 发明授权
    • Light control signal generating circuit
    • 光控制信号发生电路
    • US08471478B2
    • 2013-06-25
    • US13095927
    • 2011-04-28
    • Ji-Xiang YinRen-Wen HuangJun-Wei ZhangJun ZhangTsung-Jen Chuang
    • Ji-Xiang YinRen-Wen HuangJun-Wei ZhangJun ZhangTsung-Jen Chuang
    • H05B37/02
    • G01J1/32G01J1/44H05B37/0218Y02B20/46Y02B20/48
    • A light control signal generating circuit includes a photosensitive element, two transistors, and four resistances. A first resistance and the photosensitive element are connected in series between a power voltage terminal and a ground terminal. A base electrode of a first transistor is connected to a node between the first resistance and the photosensitive element, a collecting electrode is connected to the power voltage terminal through a second resistance, and an emitting electrode is connected to the ground terminal through a third resistance. A base electrode of a second transistor is connected to a node between the second resistance and the first transistor, a collecting electrode is connected to the power voltage terminal through a fourth resistance, and an emitting electrode is connected to the ground terminal through the third resistance. An output terminal is formed from a node between the fourth resistance and the second transistor.
    • 光控制信号发生电路包括光敏元件,两个晶体管和四个电阻。 第一电阻和感光元件串联连接在电源电压端子和接地端子之间。 第一晶体管的基极连接到第一电阻和感光元件之间的节点,集电极通过第二电阻连接到电源电压端子,并且发射电极通过第三电阻连接到接地端子 。 第二晶体管的基极连接到第二电阻和第一晶体管之间的节点,集电极通过第四电阻连接到电源电压端子,并且发射电极通过第三电阻连接到接地端子 。 输出端由第四电阻和第二晶体管之间的节点形成。
    • 10. 发明授权
    • Over-current protection circuit and electronic device with the same
    • 过电流保护电路与电子设备相同
    • US08531810B2
    • 2013-09-10
    • US13221920
    • 2011-08-31
    • Ren-Wen HuangQiang YouTsung-Jen ChuangShih-Fang Wong
    • Ren-Wen HuangQiang YouTsung-Jen ChuangShih-Fang Wong
    • H02H3/08
    • H02H3/087
    • An over-current protection circuit for preventing a function module from over-current, the function module obtains power from a power source via an input port. The over-current protection circuit includes a path switch, a current detection circuit, a conductor switch, a first control module, and a second control module. The current detection circuit and the path switch form a loop with the input port and the function module. The current detection circuit detects a value of a current of the loop, and produces a first control signal when detecting the current of the loop is equal to or greater than a predetermined current value. The first control module turns off the conductor switch when receiving the first control signal. The second control module turns off the path switch when the conductor switch is turned off, thereby cutting off the loop.
    • 一种用于防止功能模块过电流的过电流保护电路,功能模块经由输入端口从电源获得电力。 过电流保护电路包括路径开关,电流检测电路,导体开关,第一控制模块和第二控制模块。 电流检测电路和路径开关与输入端口和功能模块形成一个环路。 电流检测电路检测回路的电流值,并且当检测到回路的电流等于或大于预定电流值时产生第一控制信号。 当接收到第一控制信号时,第一控制模块关闭导体开关。 当导体开关关闭时,第二个控制模块关闭路径开关,从而切断回路。