公开(公告)号：US08861219B2

公开(公告)日：2014-10-14

申请号：US13451044

申请日：2012-04-19

Applicant: Qi-Yan Luo ,  Zhou Yang ,  Song-Lin Tong

Inventor： Qi-Yan Luo ,  Zhou Yang ,  Song-Lin Tong

IPC: H05K7/10 ,  H05K1/02 ,  H05K1/11

CPC classification number: H05K1/0262 ,  H05K1/111

Abstract: A printed circuit board (PCB) includes two power supply units, a central processing unit (CPU), two inductors and a temperature compensation resistor. One of the inductor is electrically connected between one power supply unit and the CPU, the other inductor is electrically connected between another power supply unit and the CPU. The temperature compensation resistor is electrically connected between the power supply units and ground, and is positioned between the two inductors to adjust output voltage from the CPU.

Abstract translation: 印刷电路板（PCB）包括两个电源单元，一个中央处理单元（CPU），两个电感器和一个温度补偿电阻器。 一个电感器电连接在一个电源单元和CPU之间，另一个电感器电连接在另一个电源单元和CPU之间。 温度补偿电阻电连接在电源单元和地之间，位于两个电感之间，以调整CPU的输出电压。

公开(公告)号：US08513954B2

公开(公告)日：2013-08-20

申请号：US13081502

申请日：2011-04-07

Applicant: Song-Lin Tong ,  Qi-Yan Luo ,  Peng Chen

Inventor： Song-Lin Tong ,  Qi-Yan Luo ,  Peng Chen

IPC: H01H31/02

CPC classification number: G01R31/02

Abstract: An RC test circuit includes an RC circuit, a digital rheostat, a control chip, and an oscillograph. The RC circuit includes a plurality of positive terminals and a plurality of negative terminals. The digital rheostat includes a plurality of rheostats each including a sliding terminal and a fixed terminal. The sliding terminals are correspondingly connected to the positive terminals while the fixed terminals are correspondingly connected to the negative terminals. The control chip is connected to the digital rheostat, and configured for controlling the digital rheostat to change the resistance of each rheostat. The oscillograph is connected to the RC circuit for displaying a waveform of the RC circuit.

Abstract translation: RC测试电路包括RC电路，数字变阻器，控制芯片和示波器。 RC电路包括多个正极端子和多个负极端子。 数字变阻器包括多个变阻器，每个变阻器包括滑动端子和固定端子。 滑动端子相应地连接到正极端子，而固定端子相应地连接到负极端子。 控制芯片连接到数字变阻器，并配置为控制数字变阻器以改变每个变阻器的电阻。 示波器连接到RC电路，以显示RC电路的波形。

公开(公告)号：US08508198B2

公开(公告)日：2013-08-13

申请号：US13105816

申请日：2011-05-11

Applicant: Song-Lin Tong ,  Ling-Ling Shen

Inventor： Song-Lin Tong ,  Ling-Ling Shen

IPC: G05F1/565

CPC classification number: H02M3/1584 ,  G06F1/26

Abstract: A power supply conversion circuit includes a PWM chip and many sub-circuits. Each sub-circuit includes an inductor, a first capacitor connected to ground, a first resistor connected in series with the first capacitor to form a branch parallel to the inductor, a differential pair having a first differential signal trace and a second differential signal trace, a second resistor, and a second capacitor. The first trace is connected between the connection of the first resistor and the first capacitor and the PWM chip. The second resistor is connected between the connection of the first resistor and the inductor and the second capacitor. The second trace is connected between the connection of the second resistor and the second capacitor and the PWM chip. The ratios of the capacitances of each two second capacitors are the same as that of the lengths of the traces of each two corresponding differential pairs.

Abstract translation: 电源转换电路包括PWM芯片和许多子电路。 每个子电路包括电感器，连接到地的第一电容器，与第一电容器串联连接以形成与电感器并联的分支的第一电阻器，具有第一差分信号迹线和第二差分信号迹线的差分对， 第二电阻器和第二电容器。 第一个迹线连接在第一个电阻和第一个电容和PWM芯片的连接之间。 第二电阻器连接在第一电阻器和电感器的连接点与第二电容器之间。 第二迹线连接在第二电阻器与第二电容器与PWM芯片的连接之间。 每两个第二电容器的电容的比率与每两个对应的差分对的迹线的长度的比率相同。

公开(公告)号：US08502521B2

公开(公告)日：2013-08-06

申请号：US13162584

申请日：2011-06-17

Applicant: Song-Lin Tong ,  Qi-Yan Luo ,  Peng Chen

Inventor： Song-Lin Tong ,  Qi-Yan Luo ,  Peng Chen

IPC: G01R31/02 ,  G01R21/00

CPC classification number: G06F1/26 ,  G01R21/06 ,  G01R21/133

Abstract: A measuring device for a hard disk drive includes a first input node, a hard disk drive having a first input terminal, the first input terminal being coupled to the first input node to provide power to the hard disk drive. A first input current sampling unit is coupled between the first input node and the first input terminal of the hard disk drive to obtain a first input current Iin1. A first input voltage sampling unit is coupled to the first input terminal of the hard disk drive to obtain a first input voltage Uin1. A control unit is coupled to the first input current sampling unit and the first input voltage sampling unit to receive the first input current and the first input voltage.

Abstract translation: 用于硬盘驱动器的测量装置包括第一输入节点，具有第一输入端的硬盘驱动器，第一输入端耦合到第一输入节点以向硬盘驱动器供电。 第一输入电流采样单元耦合在第一输入节点和硬盘驱动器的第一输入端之间，以获得第一输入电流Iin1。 第一输入电压采样单元耦合到硬盘驱动器的第一输入端，以获得第一输入电压Uin1。 控制单元耦合到第一输入电流采样单元和第一输入电压采样单元以接收第一输入电流和第一输入电压。

公开(公告)号：US20130139975A1

公开(公告)日：2013-06-06

申请号：US13563755

申请日：2012-08-01

Applicant: SONG-LIN TONG ,  QI-YAN LUO ,  HAI-QING ZHOU

Inventor： SONG-LIN TONG ,  QI-YAN LUO ,  HAI-QING ZHOU

IPC: H02P1/22 ,  E05F15/20

CPC classification number: G06F3/021 ,  G06F1/263 ,  G06F1/266 ,  G06F3/0202

Abstract: A motor control circuit for controlling rotation directions of a motor includes a primary power supply, a voltage monitor unit, a motor driving chip, a controller and a backup power supply. The backup power supply is constantly charged by the primary power supply when the primary power supply is in service. The voltage monitor unit is electronically connected to the primary power supply, and is configured for determining whether the primary power supply is in or out of service. The controller controls the motor driving chip to drive the motor to rotate in a first direction when the primary power supply is in service, and alternatively controlling the motor driving chip to drive the motor to rotate in a second direction reverse to the first direction when the primary power supply is out of service.

Abstract translation: 用于控制电动机的旋转方向的电动机控制电路包括主电源，电压监视器单元，电动机驱动芯片，控制器和备用电源。 当主电源正在使用时，备用电源始终由主电源充电。 电压监视器单元电连接到主电源，并且被配置用于确定主电源是否处于使用中。 当主电源正在使用时，控制器控制电动机驱动芯片驱动电动机沿第一方向旋转，并且当控制电动机驱动芯片驱动电动机以沿与第一方向相反的第二方向旋转时 主电源不工作。

公开(公告)号：US20130124880A1

公开(公告)日：2013-05-16

申请号：US13600238

申请日：2012-08-31

Applicant: Qi-Yan LUO ,  Peng CHEN ,  Song-Lin TONG

Inventor： Qi-Yan LUO ,  Peng CHEN ,  Song-Lin TONG

IPC: G06F1/26

CPC classification number: G06F1/3203 ,  G06F1/263 ,  G06F1/3287 ,  G06F1/3296 ,  Y02D10/171 ,  Y02D10/172

Abstract: A power supply device is configured for supplying electrical power to a central processing unit (CPU) of an electronic device. The CPU operates in a number of working modes. The power supply device includes a power supply module operating in a number of power supply modules corresponding to the working modes of the CPU, a number of compensation circuits respectively corresponding to the power supply modes, and a control module. The control module determines the working mode of the CPU and controls the corresponding compensation circuit to electrically connect to the power supply module to provide a loop compensation to the power supply module which improves stability and responding speed of the power supply module.

Abstract translation: 电源装置被配置为向电子设备的中央处理单元（CPU）提供电力。 CPU以多种工作模式运行。 电源装置包括在与CPU的工作模式对应的多个电源模块中工作的电源模块，分别对应于电源模式的多个补偿电路以及控制模块。 控制模块确定CPU的工作模式，并控制相应的补偿电路以电连接到电源模块，以向电源模块提供环路补偿，从而提高电源模块的稳定性和响应速度。

公开(公告)号：US20130063124A1

公开(公告)日：2013-03-14

申请号：US13304377

申请日：2011-11-24

Applicant: FU-SEN YANG ,  YUN BAI ,  SONG-LIN TONG

Inventor： FU-SEN YANG ,  YUN BAI ,  SONG-LIN TONG

IPC: G01R19/00

CPC classification number: G11C29/022 ,  G11C29/021

Abstract: A measurement card includes a circuit board, an edge connector on a bottom edge of the circuit board, a port arranged on the circuit board, and a single-pole double-throw switch for connecting the port to either a first or a second pin of the edge connector to tests the VDDQ and VTT outputs of a memory slot.

Abstract translation: 测量卡包括电路板，电路板的底部边缘上的边缘连接器，布置在电路板上的端口和用于将端口连接到第一或第二引脚的单刀双掷开关 边缘连接器来测试内存插槽的VDDQ和VTT输出。

公开(公告)号：US08395369B2

公开(公告)日：2013-03-12

申请号：US13171648

申请日：2011-06-29

Applicant: Song-Lin Tong ,  Qi-Yan Luo

Inventor： Song-Lin Tong ,  Qi-Yan Luo

IPC: G05F5/00 ,  G05F1/40

CPC classification number: H02M3/1588 ,  H02M1/38 ,  Y02B70/1466

Abstract: A buck converter includes a power supply unit, two MOSFETs and a delay circuit. The PWM module is coupled to the gates of the two MOSFETs to alternatively turn on the two MOSFETs. The delay circuit is coupled between an output terminal and an input node of the PWM module for making sure that a voltage applied to the PWM module is after a voltage applied to a drain the MOSFETs.

Abstract translation: 降压转换器包括电源单元，两个MOSFET和延迟电路。 PWM模块耦合到两个MOSFET的栅极，以交替地导通两个MOSFET。 延迟电路耦合在PWM模块的输出端子和输入节点之间，用于确保施加到PWM模块的电压在施加到漏极MOSFET的电压之后。

公开(公告)号：US08354589B2

公开(公告)日：2013-01-15

申请号：US12777263

申请日：2010-05-11

Applicant: Song-Lin Tong

Inventor： Song-Lin Tong

IPC: H01R4/00

CPC classification number: H02H11/006

Abstract: A power cable is configured for connecting at least one electrical device to a power source. The power cable includes an input terminal, at least one output terminal, a power transmitting wire, a switch, a voltage setting device, a voltage sampling device, a voltage comparing device and a power supply. The power transmitting wire connects the input terminal and the output terminal via the switch. The voltage sampling device is configured for sensing a voltage of the output terminal. The voltage comparing device is configured for comparing a preset voltage stored in the voltage setting device and the sampled voltage sensed by the voltage sampling device to turn on or turn off the switch according to the compared result. The power supply is configured for reducing the voltage of the power source to the rated voltage of the voltage comparing device to power the voltage comparing device.

Abstract translation: 电源线被配置为将至少一个电气设备连接到电源。 电力电缆包括输入端子，至少一个输出端子，输电线，开关，电压设定装置，电压取样装置，电压比较装置和电源。 电力传输线通过开关连接输入端子和输出端子。 电压采样装置被配置为感测输出端子的电压。 电压比较装置被配置为将存储在电压设置装置中的预置电压与由电压采样装置感测到的采样电压进行比较，以根据比较结果打开或关闭开关。 电源被配置为将电源的电压降低到电压比较装置的额定电压以对电压比较装置供电。

公开(公告)号：US20120316817A1

公开(公告)日：2012-12-13

申请号：US13181524

申请日：2011-07-13

Applicant: SONG-LIN TONG ,  QI-YAN LUO ,  PENG CHEN ,  FU-SEN YANG ,  YUN BAI

Inventor： SONG-LIN TONG ,  QI-YAN LUO ,  PENG CHEN ,  FU-SEN YANG ,  YUN BAI

IPC: G06F19/00

CPC classification number: G01R27/08

Abstract: A circuit for measuring the DC resistance of an inductor includes an input unit, a microprocessor module, a current source and a voltage detecting unit. The microprocessor module receives signals from the input unit and generates different signals to command constant currents through the inductor by the current source. The voltage detecting unit reads voltages of the inductor and outputs the voltages obtained to the microprocessor module. According to the currents and the voltages read, the microprocessor module may calculate the DC resistance(s) of the inductor.

Abstract translation: 用于测量电感器的直流电阻的电路包括输入单元，微处理器模块，电流源和电压检测单元。 微处理器模块从输入单元接收信号，并产生不同的信号，通过电流源通过电感器指示恒定电流。 电压检测单元读取电感器的电压并将获得的电压输出到微处理器模块。 根据读取的电流和电压，微处理器模块可以计算电感器的直流电阻。