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    • 2. 发明申请
    • ENERGY SAVING CIRCUIT OF MOTHERBOARD
    • 能源节电电路
    • US20110252253A1
    • 2011-10-13
    • US12779717
    • 2010-05-13
    • YI RUIAI-YU PANCHENG-LIN WU
    • YI RUIAI-YU PANCHENG-LIN WU
    • G06F1/32
    • G06F1/3203G06F1/3296Y02D10/172
    • A voltage regulating circuit converts a first voltage and provides the converted first voltage to a first voltage pin of a north bridge chip after receiving a control signal from a south bridge chip. A second voltage pin of the north bridge chip is connected to a voltage converting circuit for receiving a second voltage. The logic control circuit receives a control signal from the super I/O chip and outputs a first control signal to turn on the switch to connect the first and the second voltage pins together. The logic control circuit also outputs a second control signal to the voltage regulating circuit to control the voltage regulating circuit to stop providing the converted first voltage to the first voltage pin of the north bridge chip. The voltage converting circuit provides the second voltage to the first voltage pin of the north bridge chip via the switch.
    • 电压调节电路在接收到来自南桥芯片的控制信号之后,转换第一电压并将转换的第一电压提供给北桥芯片的第一电压引脚。 北桥芯片的第二电压引脚连接到用于接收第二电压的电压转换电路。 逻辑控制电路接收来自超级I / O芯片的控制信号,并输出第一控制信号以接通开关以将第一和第二电压引脚连接在一起。 逻辑控制电路还向电压调节电路输出第二控制信号,以控制电压调节电路停止向北桥芯片的第一电压引脚提供转换的第一电压。 电压转换电路经由开关将第二电压提供给北桥芯片的第一电压引脚。
    • 3. 发明申请
    • CONTROL CIRCUIT FOR FAN
    • 风扇控制电路
    • US20110037424A1
    • 2011-02-17
    • US12562152
    • 2009-09-18
    • AI-YU PAN
    • AI-YU PAN
    • G05D23/20
    • G05D23/1917
    • When the fan inserted in the fan header is a 4-pin fan, the control chip outputs PWM signals with different duty factors to the control pin of the fan header, to automatically change the rotary speed of the 4-pin fan. When the fan inserted in the fan header is a 3-pin fan, the control chip outputs the PWM signals whose duty factor changes with temperature of a chip under the fan to control the first power source to provide a voltage to the adjusting circuit. The adjusting circuit rectifies the voltage output from the first power source as an analog voltage signal to the control circuit. The control circuit controls the third power source to output a changeable driving voltage to the power pin of the fan header to control the rotary speed of the 3-pin fan.
    • 当风扇插头插入风扇接头连接器的风扇是4针风扇时,控制芯片将不同占空比的PWM信号输出到风扇接头的控制引脚,自动更改4针风扇的转速。 当插入风扇接头连接器中的风扇是3针风扇时,控制芯片输出占空比随着风扇下方芯片温度变化的PWM信号,以控制第一电源向调节电路提供电压。 调整电路将来自第一电源的电压作为模拟电压信号整流至控制电路。 控制电路控制第三电源,向风扇接头的电源引脚输出可变驱动电压,以控制3针风扇的转速。
    • 7. 发明申请
    • TIME SEQUENCE CONTROL CIRCUIT
    • 时间序列控制电路
    • US20110191605A1
    • 2011-08-04
    • US12768578
    • 2010-04-27
    • AI-YU PANCHAO-RONG LAIJING-LI XIA
    • AI-YU PANCHAO-RONG LAIJING-LI XIA
    • G06F1/26
    • G06F1/26
    • A time sequence control circuit that can control time sequence of a computer. After the computer is turned on, a power supply terminal outputs a high level enabling signal to an enabling pin of a power supply circuit, the power supply circuit is active. A power supply pin of the power supply circuit outputs a standard voltage to a power pin of each of the motherboard components. A first electronic switch is turned on, a second electronic switch is turned off, and a power supply state pin of the power supply circuit outputs a high level power supply state signal to a power state input pin of a main chip after the power supply circuit outputs the standard voltage.
    • 可以控制计算机时序的时序控制电路。 计算机开机后,电源端子向电源电路的使能引脚输出高电平使能信号,电源电路有效。 电源电路的电源引脚将标准电压输出到每个主板部件的电源引脚。 第一电子开关被接通,第二电子开关被断开,电源电路的电源状态引脚在电源电路之后向主芯片的电源状态输入引脚输出高电平电源状态信号 输出标准电压。