公开(公告)号：US07576600B2

公开(公告)日：2009-08-18

申请号：US11300699

申请日：2005-12-15

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

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

IPC: H02J1/00 ,  H03K17/00 ,  H01H67/00

CPC classification number: G06F1/3203 ,  G06F1/263 ,  Y10T307/696

Abstract: A supply voltage switching circuit for a computer includes a chipset, a first transistor and a second transistor. The chipset includes a first MOSFET and a second MOSFET. A 5V system voltage and a 5V standby voltage are respectively inputted to sources of the first MOSFET and the second MOSFET. Gates of the first MOSFET and the second MOSFET are respectively coupled to collectors of the first transistor and the second transistor. Emitters of the first transistor and the second transistor are coupled to a first terminal for receiving a control signal. A 1.8V standby voltage is separately inputted to bases of the first transistor and the second transistor. A 12V system voltage and the 5V standby voltage are respectively inputted to collectors of the first transistor and the second transistor. A second terminal is connected between the drain of the first MOSFET and the drain of the second MOSFET.

Abstract translation: 一种用于计算机的电源电压切换电路包括芯片组，第一晶体管和第二晶体管。 该芯片组包括第一MOSFET和第二MOSFET。 5V系统电压和5V待机电压分别输入到第一MOSFET和第二MOSFET的源极。 第一MOSFET和第二MOSFET的栅极分别耦合到第一晶体管和第二晶体管的集电极。 第一晶体管和第二晶体管的发射极耦合到用于接收控制信号的第一端子。 1.8V待机电压分别输入到第一晶体管和第二晶体管的基极。 12V系统电压和5V待机电压分别输入到第一晶体管和第二晶体管的集电极。 第二端子连接在第一MOSFET的漏极和第二MOSFET的漏极之间。

公开(公告)号：US07403050B2

公开(公告)日：2008-07-22

申请号：US11321194

申请日：2005-12-29

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

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

IPC: H03L7/00

CPC classification number: H03K17/22 ,  G01R19/16538

Abstract: A power good signal generating circuit includes an NPN transistor, a first resistor, a second resistor, a third resistor, a first power source, and a second power source. The first resistor is connected between a base of the transistor and the first power source. The second resistor is connected between a collector of the transistor and the second power source. The third resistor is connected between an emitter of the transistor and ground. The collector is connected to an output for sending a PG signal and the emitter is connected to an input for receiving a control signal P.

Abstract translation: 电源良好信号发生电路包括NPN晶体管，第一电阻器，第二电阻器，第三电阻器，第一电源和第二电源。 第一电阻器连接在晶体管的基极和第一电源之间。 第二电阻器连接在晶体管的集电极和第二电源之间。 第三电阻连接在晶体管的发射极和地之间。 集电极连接到用于发送PG信号的输出端，发射极连接到用于接收控制信号P的输入端。

公开(公告)号：US20060139829A1

公开(公告)日：2006-06-29

申请号：US11300699

申请日：2005-12-15

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

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

IPC: H02H3/20

CPC classification number: G06F1/3203 ,  G06F1/263 ,  Y10T307/696

Abstract: A supply voltage switching circuit for a computer includes a chipset, a first transistor and a second transistor. The chipset includes a first MOSFET and a second MOSFET. A 5V system voltage and a 5V standby voltage are respectively inputted to sources of the first MOSFET and the second MOSFET. Gates of the first MOSFET and the second MOSFET are respectively coupled to collectors of the first transistor and the second transistor. Emitters of the first transistor and the second transistor are coupled to a first terminal for receiving a control signal. A 1.8V standby voltage is separately inputted to bases of the first transistor and the second transistor. A 12V system voltage and the 5V standby voltage are respectively inputted to collectors of the first transistor and the second transistor. A second terminal is connected between the drain of the first MOSFET and the drain of the second MOSFET.

公开(公告)号：US20060103361A1

公开(公告)日：2006-05-18

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：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：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：US07580688B2

公开(公告)日：2009-08-25

申请号：US11434838

申请日：2006-05-15

Applicant: Wu Jiang ,  Yong-Zhao Huang

Inventor： Wu Jiang ,  Yong-Zhao Huang

IPC: H04B1/16

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.

Abstract translation: 弱电池警报电路包括用于产生警报的警告电路; 具有连接到地的阴极的电池; 以及包括晶体管的控制电路，所述晶体管具有用于接收输入电压的发射极，经由基极电阻连接到电池的阳极的基极，以及连接到警告电路并且还经由集电极电阻连接到地的集电极 。 当电池电压降低到预定值时，控制电路控制警告电路报警。

公开(公告)号：US20060255779A1

公开(公告)日：2006-11-16

申请号：US11306624

申请日：2006-01-04

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

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

IPC: G05F1/00

CPC classification number: G05F1/565

Abstract: A linear voltage regulator includes an error amplifier receiving an operational voltage and provided a control signal, a pass device controlled by the control signal and providing a load voltage from a power supply, and a leakage circuit controlled by the control signal and consuming a drive-back current. Since the linear voltage regulator includes the leakage circuit, a drive-back current created can be grounded via the switch transistor of the leakage circuit. Thereby an impedance calibration of termination transistors will be normal, and a life span of electronic components will be protected.

Abstract translation: 线性稳压器包括接收操作电压并提供控制信号的误差放大器，由控制信号控制的通过装置以及从电源提供负载电压，以及由控制信号控制的泄漏电路， 回流 由于线性稳压器包括泄漏电路，所以产生的驱动电流可以通过泄漏电路的开关晶体管接地。 因此，终端晶体管的阻抗校准将是正常的，并且电子元件的寿命将得到保护。

公开(公告)号：US07286005B2

公开(公告)日：2007-10-23

申请号：US11300760

申请日：2005-12-15

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

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

IPC: H02M1/10

CPC classification number: H03K17/162 ,  Y10T307/62 ,  Y10T307/696 ,  Y10T307/724

Abstract: A supply voltage switching circuit for a computer includes a chipset, a first transistor, a second transistor, and a third transistor. The chipset includes a first MOSFET and a second MOSFET. A 5V system voltage and a 5V standby voltage are respectively inputted to sources of the first MOSFET and the second MOSFET. Gates of the first MOSFET and the second MOSFET are respectively coupled to collectors of the second transistor and the third transistor. A base of the first transistor is coupled to a terminal for receiving a control signal from the computer. The 5V standby voltage is inputted to a collector of the first transistor. Bases of the second transistor and the third transistor are coupled to the collector of the first transistor. A 12V system voltage and the 5V standby voltage are respectively inputted to collectors of the second transistor and the third transistor.

Abstract translation: 用于计算机的电源电压切换电路包括芯片组，第一晶体管，第二晶体管和第三晶体管。 该芯片组包括第一MOSFET和第二MOSFET。 5V系统电压和5V待机电压分别输入到第一MOSFET和第二MOSFET的源极。 第一MOSFET和第二MOSFET的栅极分别耦合到第二晶体管和第三晶体管的集电极。 第一晶体管的基极耦合到用于从计算机接收控制信号的端子。 5V待机电压被输入到第一晶体管的集电极。 第二晶体管和第三晶体管的基极耦合到第一晶体管的集电极。 12V系统电压和5V待机电压分别输入到第二晶体管和第三晶体管的集电极。