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    • 51. 发明申请
    • INDICATING CIRCUIT FOR INDICATING NETWORK STATUS
    • 指示网络状态的电路
    • US20080091400A1
    • 2008-04-17
    • US11625287
    • 2007-01-20
    • Ming-Chih HsiehHeng-Chen Kuo
    • Ming-Chih HsiehHeng-Chen Kuo
    • G06F17/50
    • G06F13/385
    • An indicating circuit for indicating network status includes a signal generating unit configured for being set in a kernel board, and an indicator circuit configured for being set in a device board. The signal-generating unit includes a logic circuit with two input terminals and an output terminal, a network IC with two output pins connected to the two input terminals of the logic circuit respectively for sending status signals to the logic circuit, and a micro control unit (MCU) for transmitting a network transmitting speed signal from the network IC. The indicator circuit has two input terminals, one is connected to the MCU of the signal-generating unit to receive the network transmitting speed signal and the other is connected to the output terminal of the logic circuit to receive a status signal for indicating the network status.
    • 用于指示网络状态的指示电路包括被配置为被设置在内核板中的信号生成单元和被配置为被设置在设备板中的指示器电路。 信号发生单元包括具有两个输入端和输出端的逻辑电路,一个具有两个输出引脚的网络IC,分别连接到逻辑电路的两个输入端,用于向逻辑电路发送状态信号;以及微控制单元 (MCU),用于从网络IC发送网络传输速度信号。 指示电路具有两个输入端子,一个连接到信号发生单元的MCU以接收网络传输速度信号,另一个连接到逻辑电路的输出端子,以接收指示网络状态的状态信号 。
    • 52. 发明申请
    • SIGNAL TRANSMITTING CIRCUIT
    • 信号发送电路
    • US20070285129A1
    • 2007-12-13
    • US11309802
    • 2006-09-28
    • MING-CHIH HSIEH
    • MING-CHIH HSIEH
    • H03K19/094
    • H04L25/085H04L25/028
    • An exemplary signal transmitting circuit includes a drive circuit, a receiving circuit, and a filter circuit coupled between the drive circuit and the receiving circuit. The filter circuit includes a first photocoupler having a first luminous element and a first optical receiving block, an anode of the first luminous element is coupled to a power source, a cathode of the first luminous element is coupled to the drive circuit, an anode of the first optical receiving block is coupled to the power source and the receiving circuit, and a cathode of the first optical receiving block is coupled to ground.
    • 示例性信号发送电路包括驱动电路,接收电路和耦合在驱动电路和接收电路之间的滤波电路。 滤波器电路包括具有第一发光元件和第一光接收块的第一光电耦合器,第一发光元件的阳极耦合到电源,第一发光元件的阴极耦合到驱动电路,阳极 第一光接收块耦合到电源和接收电路,并且第一光接收块的阴极耦合到地。
    • 53. 发明申请
    • RESET CIRCUIT
    • 复位电路
    • US20070096786A1
    • 2007-05-03
    • US11309760
    • 2006-09-22
    • MING-CHIH HSIEH
    • MING-CHIH HSIEH
    • H03K3/02
    • H03K17/602H03K17/16
    • An exemplary reset circuit includes a reset signal generator and a control circuit. The reset signal generator provides a first reset signal. The control circuit includes a first reset signal input, a control terminal, and an output. The first reset signal input receives the first reset signal, the control terminal receives a control signal, and the control circuit delivers a second reset signal at the output in response to the first reset signal and the control signal. The reset signal generator associated with the control circuit protects a system from accidental reset.
    • 示例性的复位电路包括复位信号发生器和控制电路。 复位信号发生器提供第一复位信号。 控制电路包括第一复位信号输入端,控制端子和输出端。 第一复位信号输入接收第一复位信号,控制端接收控制信号,控制电路根据第一复位信号和控制信号在输出端输出第二复位信号。 与控制电路相关联的复位信号发生器保护系统不被意外复位。
    • 54. 发明申请
    • Circuit for testing power down reset function of an electronic device
    • 用于测试电子设备的掉电复位功能的电路
    • US20060041811A1
    • 2006-02-23
    • US11025196
    • 2004-12-29
    • Ming-Chih Hsieh
    • Ming-Chih Hsieh
    • G01R31/28G06F11/00
    • G01R31/3163
    • A circuit for testing a power down reset function of an electronic device includes a reference power source (Vref), a first variable resistor (R1) with one end connected to the reference power source, a second variable resistor (R2), and a jumper (10). One end of the second variable resistor is connected to the other end of the first variable resistor, and the other end of the second variable resistor is grounded. The jumper includes four pins, with a first pin (101) connected to a node (B) between the first variable resistor and the second variable resistor, a third pin (103) grounded, and a second pin (102) and a fourth pin (104) commonly connected to a voltage testing pin (20) of an electronic device (2). The circuit is simple, is conveniently operated, and saves costs.
    • 用于测试电子设备的掉电复位功能的电路包括参考电源(Vref),一端连接到参考电源的第一可变电阻器(R1),第二可变电阻器(R2)和跳线 (10)。 第二可变电阻器的一端连接到第一可变电阻器的另一端,第二可变电阻器的另一端接地。 跳线包括四个引脚,第一引脚(101)连接到第一可变电阻器和第二可变电阻器之间的节点(B),第三引脚(103)接地,第二引脚(102)和第四引脚 (104),其共同连接到电子设备(2)的电压测试引脚(20)。 电路简单,操作方便,节省成本。
    • 57. 发明授权
    • Power supply circuit for infrared cut removable filter
    • 用于红外线切割可拆卸过滤器的电源电路
    • US08520073B2
    • 2013-08-27
    • US12963642
    • 2010-12-09
    • Ming-Chih Hsieh
    • Ming-Chih Hsieh
    • H04N5/33
    • H04N5/23241H04N5/2254
    • A power supply circuit for an infrared cut removable (ICR) filter includes an identifying module, a supply mode module, a switching module, and a power source module. The identifying module generates a first identifying signal when the brightness of external light is higher than a preset brightness; otherwise, the identifying module generates a second identifying signal. The supply mode module generates a power supply corresponding to the power supply mode of the ICR filter. The switching module includes two connecting nodes for connecting to the ICR filter and loads the power supply generated by the supply mode module on one of the nodes correspondingly according to the first and second identifying signals. The power source module is connected to an external DC power supply and generates an operating voltage for the identifying module, the supply mode module, and the switching module.
    • 用于红外线切割可拆卸(ICR)滤波器的电源电路包括识别模块,电源模块模块,开关模块和电源模块。 当外部光的亮度高于预设亮度时,识别模块产生第一识别信号; 否则,识别模块产生第二识别信号。 电源模块模块产生与ICR滤波器的电源模式对应的电源。 开关模块包括两个用于连接到ICR滤波器的连接节点,并且根据第一和第二识别信号,相应地将由供电模块模块生成的电源加载到其中一个节点上。 电源模块连接到外部直流电源,并为识别模块,供电模式模块和开关模块生成工作电压。
    • 58. 发明申请
    • APPARATUS AND METHOD TO TOLERATE FLOATING INPUT PIN FOR INPUT BUFFER
    • 用于输入输入缓冲器的浮动输入引脚的装置和方法
    • US20130214820A1
    • 2013-08-22
    • US13845576
    • 2013-03-18
    • Chun-Hsiung HungKuen-Long ChangNai-Ping KuoMing-Chih Hsieh
    • Chun-Hsiung HungKuen-Long ChangNai-Ping KuoMing-Chih Hsieh
    • H03K3/00
    • H03K3/00H03K19/0002H03K19/09425
    • An integrated circuit device includes a pad adapted to receive a signal from an internal or external driver, and an input buffer circuit including an input terminal coupled to the pad. The input buffer circuit includes a pass transistor having a control terminal, a first conduction terminal connected to the pad, and a second conduction terminal connected to a first voltage. The input buffer circuit also includes a latch having a terminal electrically coupled to the control terminal of the pass transistor. The input buffer circuit further includes circuitry coupled to the latch, the circuitry including a feedback transistor having a control terminal electrically coupled to the pad, a first conduction terminal electrically coupled to a second voltage, and a second conduction terminal coupled to the latch.
    • 集成电路装置包括适于从内部或外部驱动器接收信号的焊盘以及包括耦合到焊盘的输入端的输入缓冲电路。 输入缓冲器电路包括具有控制端子的传输晶体管,连接到焊盘的第一导电端子和连接到第一电压的第二导电端子。 输入缓冲电路还包括具有电耦合到传输晶体管的控制端的端子的锁存器。 所述输入缓冲器电路还包括耦合到所述锁存器的电路,所述电路包括反馈晶体管,所述反馈晶体管具有电耦合到所述焊盘的控制端子,电耦合到第二电压的第一导电端子以及耦合到所述锁存器的第二导电端子。
    • 60. 发明授权
    • Control circuit for controlling rotation speed of a fan
    • 用于控制风扇转速的控制电路
    • US08344778B2
    • 2013-01-01
    • US12963648
    • 2010-12-09
    • Ming-Chih Hsieh
    • Ming-Chih Hsieh
    • H03K3/017
    • H03K4/066G06F1/206H02P7/29H03K7/08
    • A control circuit includes a triangular wave generating circuit, a temperature sensing circuit, a first comparator, and a switching circuit. The triangular wave generating circuit outputs a triangular wave signal. The temperature sensing circuit senses a temperature surrounding a fan and outputs a temperature signal. A non-inverting terminal of the first comparator is connected to the triangular wave generating circuit. An inverting terminal of the first comparator is connected to the temperature sensing circuit. The first comparator compares the triangular wave signal with the temperature signal to output a control signal. The switching circuit is connected between a power supply and the fan. The switching circuit turns on or off according to the control signal.
    • 控制电路包括三角波发生电路,温度检测电路,第一比较器和开关电路。 三角波产生电路输出三角波信号。 温度检测电路检测风扇周围的温度并输出温度信号。 第一比较器的同相端连接到三角波发生电路。 第一比较器的反相端子连接到温度检测电路。 第一比较器将三角波信号与温度信号进行比较,以输出控制信号。 开关电路连接在电源和风扇之间。 开关电路根据控制信号导通或关断。