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    • 3. 发明授权
    • Fall time accelerator circuit
    • 下降时间加速器电路
    • US07992030B2
    • 2011-08-02
    • US11746102
    • 2007-05-09
    • Henry G. McMillanPravin PatelChallis L. PurringtonGwendolyn R. TobinChristopher C. WestIvan R. Zapata
    • Henry G. McMillanPravin PatelChallis L. PurringtonGwendolyn R. TobinChristopher C. WestIvan R. Zapata
    • G06F1/00
    • H03K5/1534H03K19/01721
    • Embodiments of the invention address deficiencies of the art in respect to digital signal transmissions and provide a novel and non-obvious fall time accelerator circuit for use in a USB interface. In one embodiment of the invention, the USB interface can include a USB port driver coupled to a host controller driver over a USB bus. The USB interface also can include a fall time accelerator circuit coupled to the USB bus between the USB port driver and the host controller driver. The fall time accelerator circuit can include a pulse signal generator coupled to an inbound signal path from the USB bus and arranged to generate a tunable pulse upon detecting a falling edge of a digital signal on the inbound signal path. The circuit further can include an active timer additionally coupled to the inbound signal path to hold the tunable pulse for a set period of time. Finally, the circuit can include a falling drive signal strengthener coupled to an outbound signal path from the pulse signal generator arranged to release the tunable pulse on the outbound signal path onto the USB bus.
    • 本发明的实施例解决了与数字信号传输相关的技术缺陷,并且提供了一种用于USB接口的新颖且不可见的下降时间加速器电路。 在本发明的一个实施例中,USB接口可以包括通过USB总线耦合到主控制器驱动器的USB端口驱动器。 USB接口还可以包括在USB端口驱动器和主机控制器驱动器之间耦合到USB总线的下降时间加速器电路。 下降时间加速器电路可以包括耦合到来自USB总线的入站信号路径的脉冲信号发生器,并且被布置成在检测入站信号路径上的数字信号的下降沿时产生可调脉冲。 电路还可以包括另外耦合到入站信号路径的有源定时器,以将可调谐脉冲保持一段时间。 最后,电路可以包括耦合到来自脉冲信号发生器的出站信号路径的下降驱动信号加强器,该脉冲信号发生器布置成将出站信号路径上的可调谐脉冲释放到USB总线上。
    • 4. 发明申请
    • FALL TIME ACCELERATOR CIRCUIT
    • 落地时间加速器电路
    • US20080278207A1
    • 2008-11-13
    • US11746102
    • 2007-05-09
    • Henry G. McMillanPravin PatelChallis L. PurringtonGwendolyn R. TobinChristopher C. WestIvan R. Zapata
    • Henry G. McMillanPravin PatelChallis L. PurringtonGwendolyn R. TobinChristopher C. WestIvan R. Zapata
    • H03K5/12
    • H03K5/1534H03K19/01721
    • Embodiments of the invention address deficiencies of the art in respect to digital signal transmissions and provide a novel and non-obvious fall time accelerator circuit for use in a USB interface. In one embodiment of the invention, the USB interface can include a USB port driver coupled to a host controller driver over a USB bus. The USB interface also can include a fall time accelerator circuit coupled to the USB bus between the USB port driver and the host controller driver. The fall time accelerator circuit can include a pulse signal generator coupled to an inbound signal path from the USB bus and arranged to generate a tunable pulse upon detecting a falling edge of a digital signal on the inbound signal path. The circuit further can include an active timer additionally coupled to the inbound signal path to hold the tunable pulse for a set period of time. Finally, the circuit can include a falling drive signal strengthener coupled to an outbound signal path from the pulse signal generator arranged to release the tunable pulse on the outbound signal path onto the USB bus.
    • 本发明的实施例解决了与数字信号传输相关的技术缺陷,并且提供了一种用于USB接口的新颖且不可见的下降时间加速器电路。 在本发明的一个实施例中,USB接口可以包括通过USB总线耦合到主控制器驱动器的USB端口驱动器。 USB接口还可以包括在USB端口驱动器和主机控制器驱动器之间耦合到USB总线的下降时间加速器电路。 下降时间加速器电路可以包括耦合到来自USB总线的入站信号路径的脉冲信号发生器,并且被布置成在检测入站信号路径上的数字信号的下降沿时产生可调脉冲。 电路还可以包括另外耦合到入站信号路径的有源定时器,以将可调谐脉冲保持一段时间。 最后,电路可以包括耦合到来自脉冲信号发生器的出站信号路径的下降驱动信号加强器,该脉冲信号发生器布置成将出站信号路径上的可调谐脉冲释放到USB总线上。
    • 7. 发明授权
    • Server network diagnostic system
    • 服务器网络诊断系统
    • US08589741B2
    • 2013-11-19
    • US13458319
    • 2012-04-27
    • David WindellPravin PatelJames HughesChristopher WestRobert PiperTimothy Schlude
    • David WindellPravin PatelJames HughesChristopher WestRobert PiperTimothy Schlude
    • G06F11/00
    • G06F11/325H04L41/0645
    • Methods and systems for implementing such methods for providing server fault notifications, diagnostic and system management information may include, but are not limited to: receiving a network fault status request input; illuminating one or more server node fault indicators for one or more degraded server nodes having one or more faults; receiving a server node fault status request input for a degraded server node having one or more faults; and displaying one or more diagnostic service notifications for one or more faults of the degraded server node.The displaying of the diagnostic service notifications may allow for the completion of various service operations associated with the service notifications once the information specific to a fault is presented.
    • 用于实现用于提供服务器故障通知,诊断和系统管理信息的这种方法的方法和系统可以包括但不限于:接收网络故障状态请求输入; 为具有一个或多个故障的一个或多个退化服务器节点照亮一个或多个服务器节点故障指示符; 接收具有一个或多个故障的劣化服务器节点的服务器节点故障状态请求输入; 以及显示针对所述退化服务器节点的一个或多个故障的一个或多个诊断服务通知。 一旦出现故障特有的信息,诊断服务通知的显示可以允许完成与服务通知相关联的各种服务操作。
    • 8. 发明授权
    • Tuning a switching power supply
    • 调整开关电源
    • US07906950B2
    • 2011-03-15
    • US12270477
    • 2008-11-13
    • Justin P. BandholzNickolas J. GruendlerPravin Patel
    • Justin P. BandholzNickolas J. GruendlerPravin Patel
    • G05F1/00G05D17/00
    • H02M3/156
    • Tuning a switching power supply, the power supply including a switching transistor; a filter circuit; a pulse generator that drives the switching transistor; a programmable filter connected to the output of the filter circuit; a digital signal processor (‘DSP’) connected to the output of the filter circuit, the DSP configured to program the programmable filter; and a tuning control circuit connected to the output of the filter circuit, to the pulse generator, and to the DSP; including calculating by the DSP, from sampled voltage values of a tuning pulse driven through the filter circuit by the pulse generator, the actual impedance of the filter circuit; and programming, by the DSP, the programmable filter, setting the combined impedance of the filter circuit and the programmable filter to the design impedance of the filter circuit.
    • 调谐开关电源,电源包括开关晶体管; 滤波电路; 驱动开关晶体管的脉冲发生器; 连接到滤波电路的输出的可编程滤波器; 数字信号处理器(“DSP”)连接到滤波电路的输出端,DSP配置为对可编程滤波器进行编程; 以及调谐控制电路,连接到滤波电路的输出,脉冲发生器和DSP; 包括由DSP计算的脉冲发生器通过滤波电路驱动的调谐脉冲的采样电压值,滤波器电路的实际阻抗; 并由DSP编程可编程滤波器,将滤波电路和可编程滤波器的组合阻抗设置为滤波电路的设计阻抗。