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    • 11. 发明授权
    • Hot swap fan connecting device thereof
    • 热插拔风扇连接装置
    • US07172390B2
    • 2007-02-06
    • US10962458
    • 2004-10-13
    • William LuYing-Chi ChenTe-Tsai ChuangMing-Shi TsaiKuo-Cheng Lin
    • William LuYing-Chi ChenTe-Tsai ChuangMing-Shi TsaiKuo-Cheng Lin
    • F04D29/64
    • H05K7/20172
    • A connecting device of a hot swap fan module comprises at least one terminal and a casing. The at least one terminal is electrically connected to the fan so that, when the fan is mounted in a system, electrical connection is formed between the fan and the system. The connecting device further comprises at least one LED (light emitting diode) which is electrically connected to the fan or the at least one terminal for indicating the operating state of the fan, and at least one cover plate protruded from at least one edge of the casing so as to form the whole casing into an L or U-shaped structure. The casing is closely attached to one side face of the fan housing when the casing is assembled to the fan. The casing also has a recess for receiving those lead wires electrically connecting the terminals, the fan, and the LED.
    • 热交换风扇模块的连接装置包括至少一个端子和壳体。 至少一个端子电连接到风扇,使得当风扇安装在系统中时,在风扇和系统之间形成电连接。 所述连接装置还包括至少一个LED(发光二极管),其电连接到所述风扇或所述至少一个端子,用于指示所述风扇的操作状态,以及至少一个从所述风扇的至少一个边缘突出的盖板 从而将整个壳体形成为L形或U形结构。 当壳体组装到风扇时,壳体紧密地附接到风扇壳体的一个侧面。 壳体还具有用于接收电连接端子,风扇和LED的引线的凹部。
    • 15. 发明授权
    • Display circuit board of a heat dissipation system
    • 显示电路板的散热系统
    • US06717809B2
    • 2004-04-06
    • US10212112
    • 2002-08-06
    • Ying-Chi ChenPeng-Chu TaoWen-Shi Huang
    • Ying-Chi ChenPeng-Chu TaoWen-Shi Huang
    • H05K720
    • H05K7/20581H05K7/207
    • A display circuit board is provided for a heat dissipation system. The heat dissipation system includes a fan tray, a control circuit board, a plurality of fans, and a display circuit board. The display circuit board includes a plurality of light emitting diodes (LEDs), a thermal sensor, and a connector. After the thermal sensor detects the temperature around the heat dissipation system and transmits a temperature signal to the control circuit board through a signal transmitting cable, the control circuit board adjusts the rotation speeds of the plurality of fans according to the temperature signal, and further transmits a plurality of display signals, which indicate the operation situation of the plurality of fans to the corresponding LEDs through the signal transmitting cable.
    • 为散热系统提供显示电路板。 散热系统包括风扇盘,控制电路板,多个风扇和显示电路板。 显示电路板包括多个发光二极管(LED),热传感器和连接器。 在热传感器检测到散热系统周围的温度之后,通过信号传输电缆将温度信号发送到控制电路板,控制电路板根据温度信号调节多个风扇的转速,并进一步传输 多个显示信号,其通过信号传输电缆指示多个风扇到相应的LED的操作情况。
    • 18. 发明授权
    • Correction circuit of a switching-current sample for power converters in both CCM and DCM operation
    • CCM和DCM操作中电源转换器的开关电流采样的校正电路
    • US08482268B2
    • 2013-07-09
    • US13102433
    • 2011-05-06
    • Ta-Yung YangYing-Chi ChenCheng-Sung ChenMeng-Hsun Yu
    • Ta-Yung YangYing-Chi ChenCheng-Sung ChenMeng-Hsun Yu
    • G05F1/40
    • H02M1/4225Y02B70/126
    • The present invention provides a correction circuit for a power converter. The correction circuit includes a sampling circuit, a demagnetizing-time circuit, a duty circuit, and a compensation circuit. The sampling circuit generates an average-current signal in response to a switching current of the power converter. The demagnetizing-time circuit generates a discharging-time signal in response to a switching signal and an input-voltage signal. The duty circuit generates a duty signal in response to the discharging-time signal, an on-time of the switching signal, and a switching period of the switching signal. The compensation circuit is coupled to receive the average-current signal and the duty signal for generating a corrected signal. The switching signal is utilized to switch a magnetic device for regulating an output voltage of the power converter. The corrected signal is coupled to generate the switching signal.
    • 本发明提供一种用于功率转换器的校正电路。 校正电路包括采样电路,去磁时电路,占空比电路和补偿电路。 采样电路响应于功率转换器的开关电流产生平均电流信号。 去磁时电路根据开关信号和输入电压信号产生放电时间信号。 占空比电路响应于放电时间信号,开关信号的导通时间和开关信号的开关周期产生占空比信号。 该补偿电路被耦合以接收用于产生校正信号的平均电流信号和占空比信号。 切换信号用于切换用于调节功率转换器的输出电压的磁性装置。 校正的信号被耦合以产生切换信号。
    • 20. 发明授权
    • On-chip R-C time constant calibration
    • 片上R-C时间常数校准
    • US07548129B2
    • 2009-06-16
    • US11552139
    • 2006-10-23
    • Wai LauChao-Wen TsengWei-Chien ChiuYing-Chi Chen
    • Wai LauChao-Wen TsengWei-Chien ChiuYing-Chi Chen
    • H03K3/02H04B1/10
    • H03H11/1291H03H7/0153H03H2210/043H03K3/0231H03K3/02337
    • An integrated tuner includes circuitry to receive a television signal, a quadrature mixer coupled to the output of the circuitry, a polyphase filter coupled to the output of the quadrature mixer, a relaxation oscillator, and a digital calibration module. The relaxation oscillator generates a clock having a period that is directly proportional to the on-chip RC time constant. The clock is fed into a counter of the digital calibration module. The counter is started and stopped at predefined time intervals by a finite state machine. The finite state machine updates the calibration code based on a successive approximation algorithm according to the end count results received from the counter. The digital calibration module outputs the updated calibration code to the polyphase filter and to the relaxation oscillator.
    • 集成调谐器包括接收电视信号的电路,耦合到电路的输出的正交混频器,耦合到正交混频器的输出的多相滤波器,张弛振荡器和数字校准模块。 张弛振荡器产生具有与片上RC时间常数成正比的周期的时钟。 时钟被馈送到数字校准模块的计数器。 计数器由有限状态机以预定义的时间间隔启动和停止。 有限状态机根据从计数器接收的结束计数结果,基于逐次逼近算法来更新校准码。 数字校准模块将更新的校准代码输出到多相滤波器和张弛振荡器。