公开(公告)号：US20110050203A1

公开(公告)日：2011-03-03

申请号：US12564058

申请日：2009-09-22

Applicant: YONG-ZHAO HUANG

Inventor： YONG-ZHAO HUANG

IPC: G01R19/00

CPC classification number: G01R19/16523 ,  G01R19/16552

Abstract: A voltage measuring circuit includes an under-voltage measuring circuit and an over-voltage measuring circuit. The under-voltage measuring circuit includes a first voltage comparator, a first zener diode, and a first light emitting diode. An inverting input of the first voltage comparator is connected to a cathode of the first zener diode. An output of the first voltage comparator is connected to a cathode of the first light emitting diode. The over-voltage measuring circuit includes a second voltage comparator, a second zener diode, and a second light emitting diode. A non-inverting input of the second voltage comparator is connected to the cathode of the second zener diode. An output of the second voltage comparator is connected to a cathode of the second light emitting diode.

Abstract translation: 电压测量电路包括欠压测量电路和过电压测量电路。 欠压测量电路包括第一电压比较器，第一齐纳二极管和第一发光二极管。 第一电压比较器的反相输入端连接到第一齐纳二极管的阴极。 第一电压比较器的输出端连接到第一发光二极管的阴极。 过电压测量电路包括第二电压比较器，第二齐纳二极管和第二发光二极管。 第二电压比较器的非反相输入端连接到第二齐纳二极管的阴极。 第二电压比较器的输出端连接到第二发光二极管的阴极。

公开(公告)号：US07702223B2

公开(公告)日：2010-04-20

申请号：US12036273

申请日：2008-02-24

Applicant: Cheng Qian ,  Ning Wang ,  Yong-Zhao Huang ,  Hua Zou

Inventor： Cheng Qian ,  Ning Wang ,  Yong-Zhao Huang ,  Hua Zou

IPC: H02P7/00

CPC classification number: G06F1/206

Abstract: A circuit for controlling rotation speed of a computer fan includes a fan header for connecting to a 4-pin fan or a 3-pin fan, a jumper device, an amplifier, and a controller. The jumper device has a first pin for receiving a controlling signal, and connected to a first power source, a second pin connected to the fan header, and a third pin connected to the first power source. The amplifier has an input terminal connected to the third pin of the jumper device via an integrator. The controller has a first terminal connected to an output terminal of the amplifier, a second terminal connected to a second power source, and a third terminal connected to the fan header and connected to a positive input terminal of the amplifier via a resistor. The first pin of the jumper device is selectively connected to the second or third pin.

Abstract translation: 用于控制计算机风扇的转速的电路包括用于连接到4针风扇或3针风扇的风扇接头，跳线器件，放大器和控制器。 跳线装置具有用于接收控制信号的第一引脚，并且连接到第一电源，连接到风扇接头的第二引脚和连接到第一电源的第三引脚。 放大器具有通过积分器连接到跳线器件的第三引脚的输入端子。 控制器具有连接到放大器的输出端的第一端子，连接到第二电源的第二端子和连接到风扇插座的第三端子，并且经由电阻器连接到放大器的正输入端子。 跳线器件的第一引脚选择性地连接到第二引脚或第三引脚。

公开(公告)号：US20090175602A1

公开(公告)日：2009-07-09

申请号：US12036273

申请日：2008-02-24

Applicant: Cheng Qian ,  Ning Wang ,  Yong-Zhao Huang ,  Hua Zou

Inventor： Cheng Qian ,  Ning Wang ,  Yong-Zhao Huang ,  Hua Zou

IPC: H02P7/00

CPC classification number: G06F1/206

Abstract: A circuit for controlling rotation speed of a computer fan includes a fan header for connecting to a 4-pin fan or a 3-pin fan, a jumper device, an amplifier, and a controller. The jumper device has a first pin for receiving a controlling signal, and connected to a first power source, a second pin connected to the fan header, and a third pin connected to the first power source. The amplifier has an input terminal connected to the third pin of the jumper device via an integrator. The controller has a first terminal connected to an output terminal of the amplifier, a second terminal connected to a second power source, and a third terminal connected to the fan header and connected to a positive input terminal of the amplifier via a resistor. The first pin of the jumper device is selectively connected to the second or third pin.

Abstract translation: 用于控制计算机风扇的转速的电路包括用于连接到4针风扇或3针风扇的风扇接头，跳线器件，放大器和控制器。 跳线装置具有用于接收控制信号的第一引脚，并且连接到第一电源，连接到风扇接头的第二引脚和连接到第一电源的第三引脚。 放大器具有通过积分器连接到跳线器件的第三引脚的输入端子。 控制器具有连接到放大器的输出端的第一端子，连接到第二电源的第二端子和连接到风扇插座的第三端子，并且经由电阻器连接到放大器的正输入端子。 跳线器件的第一引脚选择性地连接到第二引脚或第三引脚。

公开(公告)号：US20090161472A1

公开(公告)日：2009-06-25

申请号：US12057377

申请日：2008-03-28

Applicant: Ning Wang ,  Cheng Qian ,  Yong-Zhao Huang

Inventor： Ning Wang ,  Cheng Qian ,  Yong-Zhao Huang

IPC: G11C5/14 ,  G05F1/10

CPC classification number: G11C5/147 ,  G11C11/4072 ,  G11C11/4074

Abstract: A memory voltage control circuit includes two slots, a control circuit, a voltage conversion circuit, and a switch circuit. The two slots are able to efficiently process different memory types. The control circuit receives memory identification signals from the two slots. The control circuit administers the output voltage of the voltage conversion circuit according to the memory identification signals. The memory identification signals determine whether the switch circuit is to be turned on or off. This will control whether the output voltage of the voltage conversion circuit will go to the first or the second slot.

Abstract translation: 存储器电压控制电路包括两个时隙，一个控制电路，一个电压转换电路和一个开关电路。 这两个插槽能够有效地处理不同的内存类型。 控制电路从两个时隙接收存储器识别信号。 控制电路根据存储器识别信号来管理电压转换电路的输出电压。 存储器识别信号确定开关电路是打开还是关闭。 这将控制电压转换电路的输出电压是否将进入第一或第二时隙。

公开(公告)号：US07443228B2

公开(公告)日：2008-10-28

申请号：US11560855

申请日：2006-11-17

Applicant: Yong-Zhao Huang

Inventor： Yong-Zhao Huang

IPC: H11C5/14

CPC classification number: H03K19/0016 ,  H03K2217/0036

Abstract: A leakage current prevention circuit for preventing a power source from being affected by leakage current includes a first transistor, and a second transistor. A gate of the first transistor receives a control signal and a source of the first transistor is grounded. A gate of the second transistor is connected to a drain of the first transistor, a drain of the second transistor is electrically connected to the power source, and a source of the second transistor is connected to a pull-up circuit which is connected to a chipset. When the chipset receives a drive signal, the control signal controls status of the first and second transistors so that the power source provides voltage to the pull-up circuit for the drive signal.

Abstract translation: 用于防止电源受到漏电流的影响的漏电流防止电路包括第一晶体管和第二晶体管。 第一晶体管的栅极接收控制信号，并且第一晶体管的源极接地。 第二晶体管的栅极连接到第一晶体管的漏极，第二晶体管的漏极电连接到电源，第二晶体管的源极连接到上拉电路，该上拉电路连接到 芯片组。 当芯片组接收到驱动信号时，控制信号控制第一和第二晶体管的状态，使得电源为驱动信号的上拉电路提供电压。

公开(公告)号：US07358708B2

公开(公告)日：2008-04-15

申请号：US11283287

申请日：2005-11-17

Applicant: Wu Jiang ,  Yong-Zhao Huang ,  Yun Li

Inventor： Wu Jiang ,  Yong-Zhao Huang ,  Yun Li

IPC: G05F1/56

CPC classification number: G05F1/565

Abstract: A linear voltage regulator provides a regulated load voltage to a load. In a preferred embodiment, the linear voltage regulator includes: a regulating circuit for receiving an input voltage and providing an output voltage to a load, the regulating circuit being driven by a driving voltage; and two resistors connected to each other in series receiving the output voltage and providing an adjusting current to the regulating circuit. The linear voltage regulator is capable of providing a greater current to the load, and having a wide range of input voltages.

Abstract translation: 线性稳压器为负载提供稳压负载电压。 在优选实施例中，线性电压调节器包括：调节电路，用于接收输入电压并向负载提供输出电压，调节电路由驱动电压驱动; 并且两个电阻器彼此串联接收输出电压并向调节电路提供调节电流。 线性稳压器能够为负载提供更大的电流，并且具有宽范围的输入电压。

公开(公告)号：US07298186B2

公开(公告)日：2007-11-20

申请号：US11306922

申请日：2006-01-17

Applicant: Yong-Zhao Huang ,  Wu Jiang ,  Yun Li ,  Yong-Xing You

Inventor： Yong-Zhao Huang ,  Wu Jiang ,  Yun Li ,  Yong-Xing You

IPC: H03L7/00

CPC classification number: G11C7/22 ,  G11C7/222 ,  H03K17/74

Abstract: A control circuit for command signals of a clock generator includes a power supply end, an output end, a control end, a diode, a first resistor and a second resistor. The first resistor, the diode, and the second resistor are connected in series between the power supply end and the ground. The diode has an anode connected to the first resistor and a cathode connected to the second resistor. The control end is connected to a node between the diode and the second resistor; the output end is connected to a node between the diode and the first resistor. The output end outputs the command signals to the clock generator.

Abstract translation: 用于时钟发生器的指令信号的控制电路包括电源端，输出端，控制端，二极管，第一电阻和第二电阻。 第一个电阻，二极管和第二个电阻串联在电源端和地之间。 二极管具有连接到第一电阻器的阳极和连接到第二电阻器的阴极。 控制端连接到二极管和第二电阻之间的节点; 输出端连接到二极管和第一个电阻之间的一个节点。 输出端将命令信号输出到时钟发生器。

公开(公告)号：US20070075749A1

公开(公告)日：2007-04-05

申请号：US11309402

申请日：2006-08-04

Applicant: Yong-Zhao Huang

Inventor： Yong-Zhao Huang

IPC: H03K5/22

CPC classification number: H03K17/223 ,  G11C5/14 ,  G11C11/4074

Abstract: A voltage generating circuit for providing a voltage signal to a memory in a computer is provided. The voltage generating circuit includes a voltage selecting circuit and a control circuit. The control circuit, responsive to a first and a second voltage control signal, controls the voltage selecting circuit to gate a first voltage input or a second voltage input into a terminal of a regulating transistor. Another terminal of the regulating transistor outputs the voltage signal to the memory.

Abstract translation: 提供了一种用于向计算机中的存储器提供电压信号的电压产生电路。 电压产生电路包括电压选择电路和控制电路。 控制电路响应于第一和第二电压控制信号，控制电压选择电路将第一电压输入或输入到调节晶体管的端子的第二电压输入栅极。 调节晶体管的另一个端子将电压信号输出到存储器。

公开(公告)号：US20060255958A1

公开(公告)日：2006-11-16

申请号：US11434838

申请日：2006-05-15

Applicant: Wu Jiang ,  Yong-Zhao Huang

Inventor： Wu Jiang ,  Yong-Zhao Huang

IPC: H04B1/04 ,  G08B21/00

CPC classification number: H02J7/0047

Abstract: A weak battery warning circuit includes a warning circuit for generating an alarm; a battery having a cathode connected to ground; and a controlling circuit comprising a transistor, the transistor having an emitter for receiving an input voltage, a base connected to an anode of the battery via a base resistor, and a collector connected to the warning circuit and also connected to ground via a collector resistor. When the voltage of the battery reduces to a predetermined value, the controlling circuit controls the warning circuit to alarm.

公开(公告)号：US08935544B2

公开(公告)日：2015-01-13

申请号：US13183669

申请日：2011-07-15

Applicant: Feng-Long He ,  Yong-Zhao Huang

Inventor： Feng-Long He ,  Yong-Zhao Huang

IPC: G06F1/26 ,  G06F1/32 ,  G06F11/32 ,  H05B33/08

CPC classification number: G06F11/325 ,  H05B33/0818 ,  H05B33/0845 ,  Y02B20/346

Abstract: An indicator light control circuit includes a basic input output system (BIOS) integrated circuit (IC), a microcontroller, a signal control unit, an electronic switch, and an indicator light. The microcontroller includes a general purpose input output (GPIO) pin. When different operating options of the indicator light are set into and by the BIOS IC, the BIOS IC controls the GPIO pin of the microcontroller to output command signals, such as a low voltage signal, a high voltage signal and pulse signals, then the signal control unit generates and outputs signals according to the command signals. Thus, the electronic switch is operated to turn on or turn off or to pulse when controlling the operation of the indicator light(s).

Abstract translation: 指示灯控制电路包括基本输入输出系统（BIOS）集成电路（IC），微控制器，信号控制单元，电子开关和指示灯。 微控制器包括通用输入输出（GPIO）引脚。 当BIOS IC设置不同的指示灯操作选项时，BIOS IC控制微控制器的GPIO引脚输出低电压信号，高电压信号和脉冲信号等指令信号， 控制单元根据命令信号生成并输出信号。 因此，当控制指示灯的操作时，电子开关被操作以接通或关断或脉冲。