公开(公告)号：US08296492B2

公开(公告)日：2012-10-23

申请号：US12910663

申请日：2010-10-22

申请人： Ke-You Hu

发明人： Ke-You Hu

IPC分类号： H05K7/10

CPC分类号： G06F1/266

摘要： A power supply circuit for IEEE 1394 interface includes an IEEE 1394 interface control chip, an interface circuit, and a power circuit. The IEEE 1394 interface control chip outputs transmission protocol signals. The interface circuit is electrically connected to the IEEE 1394 interface control chip by a number of differential signal transmission lines. The interface circuit receives the transmission protocol signals and exchanges data with a peripheral device according to the received transmission protocol signals. The power circuit has a voltage decreasing circuit and provides working voltage to the interface circuit. The voltage decreasing circuit receives a DC voltage and converts the received DC voltage to the working voltage.

摘要翻译： 用于IEEE 1394接口的电源电路包括IEEE 1394接口控制芯片，接口电路和电源电路。 IEEE 1394接口控制芯片输出传输协议信号。 接口电路通过多个差分信号传输线电连接到IEEE 1394接口控制芯片。 接口电路接收传输协议信号，并根据接收的传输协议信号与外围设备交换数据。 电源电路具有降压电路，并向接口电路提供工作电压。 降压电路接收直流电压，并将接收到的直流电压转换成工作电压。

公开(公告)号：US08291127B2

公开(公告)日：2012-10-16

申请号：US12426938

申请日：2009-04-20

申请人： Ke-You Hu

发明人： Ke-You Hu

IPC分类号： G06F3/00 ,  G06F13/00

CPC分类号： G06F13/4022

摘要： A circuit for controlling a peripheral device interface is to enable a central processing unit to detect a peripheral device. The circuit includes a control chip and first to sixth capacitors. The control chip includes a power supply input pin, first to second differential signal output pins, first to second differential signal input pins, and an expansion pin. The power supply input pin is connected to a power supply and grounded via the first and second capacitors in parallel. The first and second differential signal output pins are connected to the peripheral device interface via the third and fourth capacitors respectively. The first and second differential signal input pins are connected to the peripheral device interface via the fifth and sixth capacitors respectively. The expansion pin is grounded via a resistor.

摘要翻译： 用于控制外围设备接口的电路是使得中央处理单元能够检测外围设备。 该电路包括控制芯片和第一至第六电容器。 控制芯片包括电源输入引脚，第一至第二差分信号输出引脚，第一至第二差分信号输入引脚和扩展引脚。 电源输入引脚连接到电源，并通过第一和第二电容并联接地。 第一和第二差分信号输出引脚分别经由第三和第四电容器连接到外围设备接口。 第一和第二差分信号输入引脚分别经由第五和第六电容器连接到外围设备接口。 扩展引脚通过电阻接地。

公开(公告)号：US20110050193A1

公开(公告)日：2011-03-03

申请号：US12612481

申请日：2009-11-04

申请人： KE-YOU HU

发明人： KE-YOU HU

IPC分类号： G05F1/567

CPC分类号： G06F1/206 ,  G06F1/26 ,  G06F1/32

摘要： A power supply circuit includes a PWM controller, which is capable of providing pulse signals to the CPU, a temperature feedback circuit coupled to the PWM controller, and a temperature sensor. The temperature sensor is coupled to the temperature feedback circuit, the temperature sensor is located adjacent the CPU, and capable of detects a temperature of the CPU. The PWM controller is capable of adjusting the pulse signals to maintain the pulse signals stably when the temperature sensor detects the temperature of the CPU rising.

摘要翻译： 电源电路包括能够向CPU提供脉冲信号的PWM控制器，耦合到PWM控制器的温度反馈电路和温度传感器。 温度传感器耦合到温度反馈电路，温度传感器位于CPU旁边，能够检测CPU的温度。 当温度传感器检测到CPU的温度上升时，PWM控制器能够调节脉冲信号以稳定维持脉冲信号。

公开(公告)号：US20110029794A1

公开(公告)日：2011-02-03

申请号：US12636299

申请日：2009-12-11

申请人： KE-YOU HU

发明人： KE-YOU HU

IPC分类号： G06F1/32 ,  G06F1/26

CPC分类号： G06F1/26

摘要： A power supply circuit is provided. The power supply circuit includes an audio codec chip and a voltage absorbing circuit. The audio codec chip has a power input terminal. The power input terminal is connected to a power source terminal. The voltage absorbing circuit is connected between the power source terminal and the power input terminal of the audio codec chip so as to decrease a divided voltage accomplished with a voltage from the power source terminal to low level. A method configured for starting up an audio codec chip on a computer motherboard in a normal manner is also provided.

摘要翻译： 提供电源电路。 电源电路包括音频编解码芯片和电压吸收电路。 音频编解码芯片具有电源输入端子。 电源输入端子连接到电源端子。 电压吸收电路连接在音频编解码芯片的电源端子和电源输入端子之间，以便将从电源端子的电压完成的分压降低到低电平。 还提供了一种用于以正常方式启动计算机主板上的音频编解码芯片的方法。

公开(公告)号：US20100318815A1

公开(公告)日：2010-12-16

申请号：US12557532

申请日：2009-09-11

申请人： KE-YOU HU

发明人： KE-YOU HU

IPC分类号： G06F1/26

CPC分类号： G06F1/26

摘要： A power supply circuit for an audio codec chip includes a power supply output terminal configured for providing a working voltage for the audio codec chip, a first filter circuit, a regulator circuit, and a second filter circuit. The first filter circuit is coupled to the power supply output terminal. The regulator circuit has an input terminal and an output terminal. The regulator circuit input terminal is connected to the first filter circuit. The second filter circuit is connected to the regulator circuit output terminal, and is coupled to a power source input terminal of the audio codec chip.

摘要翻译： 用于音频编解码芯片的电源电路包括被配置为提供用于音频编解码芯片的工作电压的电源输出端子，第一滤波器电路，调节器电路和第二滤波器电路。 第一滤波电路耦合到电源输出端。 调节器电路具有输入端子和输出端子。 调节器电路输入端连接到第一滤波电路。 第二滤波器电路连接到调节器电路输出端，耦合到音频编解码芯片的电源输入端。

公开(公告)号：US20100315551A1

公开(公告)日：2010-12-16

申请号：US12558598

申请日：2009-09-14

申请人： KE-YOU HU

发明人： KE-YOU HU

IPC分类号： H04N5/04

CPC分类号： H04N5/378

摘要： A circuit is used to process video signal from a video sensor. The video signal includes video content signal and synchronization signals. The circuit includes a status register, a data register, and a processor. The status register provides a sampling clock signal to the data register and the video sensor. The sampling clock signal is synchronized with the synchronization signals to sample the video signal. The status register stores the synchronization signals. The data register storing the video content signal. The processor is coupled to the status register and the data register. The processor reads the video content signal from the data register according to the synchronization signals in the status register.

摘要翻译： 电路用于处理来自视频传感器的视频信号。 视频信号包括视频内容信号和同步信号。 电路包括状态寄存器，数据寄存器和处理器。 状态寄存器向数据寄存器和视频传感器提供采样时钟信号。 采样时钟信号与同步信号同步，对视频信号进行采样。 状态寄存器存储同步信号。 数据寄存器存储视频内容信号。 处理器耦合到状态寄存器和数据寄存器。 处理器根据状态寄存器中的同步信号从数据寄存器读取视频内容信号。

公开(公告)号：US07839127B2

公开(公告)日：2010-11-23

申请号：US12126765

申请日：2008-05-23

申请人： Ke-You Hu

发明人： Ke-You Hu

IPC分类号： G05F1/00

CPC分类号： G06F1/26

摘要： A power supply circuit for a motherboard includes an input/output (I/O) controller, a power circuit providing a working voltage for the I/O controller, and a first resistor. The I/O controller includes an I/O controller voltage pin and an I/O controller case open detection (COPEN) pin. The power circuit includes an input, a first output, a second output, and a GND pin. The input of the power circuit is connected to a standby power supply; and the first output of the power circuit is connected to the I/O controller voltage pin. The second output of the power circuit is connected to the I/O controller COPEN pin via the first resistor; and the GND pin of the power circuit is grounded.

摘要翻译： 主板的电源电路包括输入/​​输出（I / O）控制器，为I / O控制器提供工作电压的电源电路和第一电阻器。 I / O控制器包括I / O控制器电压引脚和I / O控制器开启检测（COPEN）引脚。 电源电路包括输入，第一输出，第二输出和GND引脚。 电源电路的输入连接到备用电源; 并且电源电路的第一个输出端连接到I / O控制器电压引脚。 电源电路的第二个输出通过第一个电阻连接到I / O控制器COPEN引脚; 电源电路的GND引脚接地。

公开(公告)号：US20100250814A1

公开(公告)日：2010-09-30

申请号：US12426938

申请日：2009-04-20

申请人： KE-YOU HU

发明人： KE-YOU HU

IPC分类号： G06F13/00

CPC分类号： G06F13/4022

摘要： A circuit for controlling a peripheral device interface is to enable a central processing unit to detect a peripheral device. The circuit includes a control chip and first to sixth capacitors. The control chip includes a power supply input pin, first to second differential signal output pins, first to second differential signal input pins, and an expansion pin. The power supply input pin is connected to a power supply and grounded via the first and second capacitors in parallel. The first and second differential signal output pins are connected to the peripheral device interface via the third and fourth capacitors respectively. The first and second differential signal input pins are connected to the peripheral device interface via the fifth and sixth capacitors respectively. The expansion pin is grounded via a resistor.

摘要翻译： 用于控制外围设备接口的电路是使得中央处理单元能够检测外围设备。 该电路包括控制芯片和第一至第六电容器。 控制芯片包括电源输入引脚，第一至第二差分信号输出引脚，第一至第二差分信号输入引脚和扩展引脚。 电源输入引脚连接到电源，并通过第一和第二电容并联接地。 第一和第二差分信号输出引脚分别经由第三和第四电容器连接到外围设备接口。 第一和第二差分信号输入引脚分别经由第五和第六电容器连接到外围设备接口。 扩展引脚通过电阻接地。

公开(公告)号：US07795957B1

公开(公告)日：2010-09-14

申请号：US12557534

申请日：2009-09-11

申请人： Ke-You Hu

发明人： Ke-You Hu

IPC分类号： H03K5/00

CPC分类号： H03K17/22

摘要： A power supply circuit for a south bridge chip includes a voltage conversion chip having a first voltage input terminal, a second voltage input terminal, a driving voltage output terminal, and a gate voltage output terminal, a control circuit having a first control terminal, a second control terminal, and an output terminal, and a filter circuit coupled between the control circuit and the south bridge chip. The voltage conversion chip receives a first voltage and a second voltage from a power supply at the first and second voltage input terminals respectively, and outputs driving voltages at the driving voltage output terminal and gate voltage output terminal respectively. The control circuit receives the driving voltages at the first and second control terminals respectively, and outputs a working voltage to the south bridge chip via the filter circuit.

摘要翻译： 南桥芯片的电源电路包括具有第一电压输入端子，第二电压输入端子，驱动电压输出端子和栅极电压输出端子的电压转换芯片，具有第一控制端子的控制电路， 第二控制端子和输出端子，以及耦合在控制电路和南桥芯片之间的滤波器电路。 电压转换芯片分别从第一和第二电压输入端的电源接收第一电压和第二电压，分别输出驱动电压输出端和栅极电压输出端的驱动电压。 控制电路分别接收第一和第二控制端的驱动电压，并通过滤波电路向南桥芯片输出工作电压。

公开(公告)号：US07765355B2

公开(公告)日：2010-07-27

申请号：US12178657

申请日：2008-07-24

申请人： Ke-You Hu

发明人： Ke-You Hu

IPC分类号： G06F13/00

CPC分类号： H04L12/40052

摘要： An IEEE 1394 device detecting circuit includes a south bridge chip, a control device, an IEEE 1394 interface, and a resistor. The control device includes a power reset pin, a bus reset pin, and a cable power pin. The control device is connected to the south bridge chip through the bus reset pin, which is further connected to the power reset pin. The cable power pin is connected to a direct current power through the resistor. The control device is further connected to the IEEE 1394 interface, which is connected to an IEEE 1394 device.

摘要翻译： IEEE 1394设备检测电路包括南桥芯片，控制设备，IEEE 1394接口和电阻器。 控制装置包括电源复位引脚，总线复位引脚和电缆电源引脚。 控制装置通过总线复位引脚连接到南桥芯片，进一步连接到电源复位引脚。 电缆电源引脚通过电阻连接到直流电源。 控制装置还连接到IEEE 1394接口，IEEE1394接口连接到IEEE 1394设备。