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    • 1. 发明授权
    • Automation of virtual machine installation by splitting an installation into a minimal installation and customization
    • 通过将安装拆分成最小的安装和自定义来实现虚拟机安装的自动化
    • US09519472B2
    • 2016-12-13
    • US13303651
    • 2011-11-23
    • Ian Scott McLeodChristopher Lalancette
    • Ian Scott McLeodChristopher Lalancette
    • G06F9/455G06F9/445
    • G06F8/63G06F9/45558G06F2009/45562
    • A server computing system receives a request to instantiate a virtual machine in a cloud. The request is associated with a template that specifies the operating system and software packages to be installed on the virtual machine. The system splits the installation of the virtual machine into creating a minimal operating system installation, customizing the minimal installation, and generating a disk image of the customized minimal installation. The system creates a minimal installation of the specified operating system, executes the minimal operating system in a virtual machine guest, and customizes the minimal installation of the operating system as specified in the template. The system generates a virtual machine disk image of the customized minimal installation that is a cloud generic virtual machine disk image an is configurable to instantiate the virtual machine in clouds provided by different cloud providers.
    • 服务器计算系统接收在云中实例化虚拟机的请求。 该请求与指定要安装在虚拟机上的操作系统和软件包的模板相关联。 系统将虚拟机的安装分解为创建最小的操作系统安装,自定义最小安装,并生成定制的最小安装的磁盘映像。 系统创建指定操作系统的最小安装,在虚拟机访客中执行最小操作系统,并自定义模板中指定的操作系统的最小安装。 该系统生成定制的最小安装的虚拟机磁盘映像,该虚拟机是可配置的云通用虚拟机磁盘映像,以实例化由不同云提供商提供的云中的虚拟机。
    • 4. 发明授权
    • Regulating a vertical-cavity surface-emitting laser (VCSEL)-based optical communication link
    • 调节基于垂直腔表面发射激光器(VCSEL)的光通信链路
    • US08401045B2
    • 2013-03-19
    • US13118322
    • 2011-05-27
    • Scott McLeodNikola Nedovic
    • Scott McLeodNikola Nedovic
    • H01S3/13
    • H01S5/0021H01S5/183H04B10/07955
    • In one embodiment, a transmitter can bias a vertical-cavity surface-emitting laser (VCSEL) coupled to an optical medium. The biasing of the VCSEL determines at least in part an optical power output by the VCSEL to the optical medium. The transmitter can also modulate the VCSEL with data to transmit the data optically through the optical medium to a receiver; receive from the receiver through a feedback channel an error vector representing a degradation in performance of the VCSEL sensed by the receiver or an instruction vector comprising one or more coefficients for use in biasing the VCSEL; and adjust the biasing of the VCSEL based on the error vector or the instruction vector to regulate the optical power output by the VCSEL to the optical medium.
    • 在一个实施例中,发射器可以偏置耦合到光学介质的垂直腔表面发射激光器(VCSEL)。 VCSEL的偏置至少部分地确定由VCSEL向光学介质输出的光功率。 发射机还可以利用数据对VCSEL进行调制,以通过光学介质光学传输数据到接收机; 从接收机通过反馈信道接收表示由接收机感测的VCSEL的性能下降的误差向量或包括用于偏置VCSEL的一个或多个系数的指令矢量; 并且基于误差矢量或指令矢量调整VCSEL的偏置,以调节VCSEL向光学介质输出的光功率。
    • 5. 发明申请
    • Regulating a Vertical-Cavity Surface-Emitting Laser (VCSEL) -Based Optical Communication Link
    • 调节垂直腔表面发射激光(VCSEL)基光通信链路
    • US20120300801A1
    • 2012-11-29
    • US13118322
    • 2011-05-27
    • Scott McLeodNikola Nedovic
    • Scott McLeodNikola Nedovic
    • H01S3/13
    • H01S5/0021H01S5/183H04B10/07955
    • In one embodiment, a transmitter can bias a vertical-cavity surface-emitting laser (VCSEL) coupled to an optical medium. The biasing of the VCSEL determines at least in part an optical power output by the VCSEL to the optical medium. The transmitter can also modulate the VCSEL with data to transmit the data optically through the optical medium to a receiver; receive from the receiver through a feedback channel an error vector representing a degradation in performance of the VCSEL sensed by the receiver or an instruction vector comprising one or more coefficients for use in biasing the VCSEL; and adjust the biasing of the VCSEL based on the error vector or the instruction vector to regulate the optical power output by the VCSEL to the optical medium.
    • 在一个实施例中,发射器可以偏置耦合到光学介质的垂直腔表面发射激光器(VCSEL)。 VCSEL的偏置至少部分地确定由VCSEL向光学介质输出的光功率。 发射机还可以利用数据对VCSEL进行调制,以通过光学介质光学传输数据到接收机; 从接收机通过反馈信道接收表示由接收机感测的VCSEL的性能下降的误差向量或包括用于偏置VCSEL的一个或多个系数的指令矢量; 并且基于误差矢量或指令矢量调整VCSEL的偏置,以调节VCSEL向光学介质输出的光功率。
    • 8. 发明申请
    • Voltage regulator with inherent voltage clamping
    • 具有固定电压钳位的稳压器
    • US20070257644A1
    • 2007-11-08
    • US11429098
    • 2006-05-05
    • Scott McLeod
    • Scott McLeod
    • G05F1/00
    • G05F1/565
    • A voltage regulator may include a resistor-based voltage divider circuit generating a desired output voltage from a supply voltage, an output NMOS device whose source terminal may be configured as the output of the voltage regulator and whose drain terminal may be configured to receive the supply voltage, and a control circuit configured to control the output NMOS device to maintain the desired output voltage at the output of the voltage regulator. The control circuit may be configured to receive the desired output voltage from the voltage divider circuit as a first input, and to receive the output of the voltage regulator fed back as a second input to form a feedback loop. The control circuit may control the gate of the output NMOS device via the feedback loop to adjust the output of the voltage regulator by maintaining the desired output voltage at the source of the output NMOS device, and may also clamp the output of the voltage regulator to a specified voltage that is lower than the supply voltage, without requiring a second feedback loop.
    • 电压调节器可以包括从电源电压产生期望的输出电压的电阻器分压器电路,输出NMOS器件,其源极端子可以被配置为电压调节器的输出,并且其漏极端子可以被配置为接收电源 电压以及被配置为控制输出NMOS器件以在电压调节器的输出端保持期望的输出电压的控制电路。 控制电路可以被配置为从分压器电路接收期望的输出电压作为第一输入,并且接收作为第二输入反馈的电压调节器的输出以形成反馈回路。 控制电路可以经由反馈回路来控制输出NMOS器件的栅极,以通过在输出NMOS器件的源极处保持期望的输出电压来调节电压调节器的输出,并且还可以将电压调节器的输出钳位到 低于电源电压的指定电压,而不需要第二个反馈回路。
    • 9. 发明申请
    • Perfectly curvature corrected bandgap reference
    • 完全曲率校正带隙参考
    • US20070052473A1
    • 2007-03-08
    • US11219071
    • 2005-09-02
    • Scott McLeod
    • Scott McLeod
    • G05F1/10
    • G05F3/30
    • In one embodiment, a bandgap voltage reference generating circuit is configured to generate a reference voltage, and may comprise a first PN-junction whose base-emitter voltage (VBE) exhibits a curvature with respect to temperature, where a current conducted by the first PN-junction is proportional to absolute temperature (PTAT). The voltage reference generating circuit may also include a second PN-junction coupled to the first PN-junction. A control circuit coupled to the second PN-junction may be configured to inject a control current into the second PN-junction, where the control current has a negative to absolute temperature (NTAT) characteristic, the control circuit thereby operating to effectively eliminate a curvature with respect to temperature exhibited by the bandgap voltage.
    • 在一个实施例中,带隙电压参考产生电路被配置为产生参考电压,并且可以包括第一PN结,其基极 - 发射极电压(V BAT)表现出相对于温度的曲率, 其中由第一PN结传导的电流与绝对温度(PTAT)成比例。 电压参考产生电路还可以包括耦合到第一PN结的第二PN结。 耦合到第二PN结的控制电路可以被配置为将控制电流注入到第二PN结中,其中控制电流具有负绝对温度(NTAT)特性,因此控制电路操作以有效地消除曲率 相对于由带隙电压显示的温度。
    • 10. 发明申请
    • Automatic reference voltage trimming technique
    • 自动参考电压调整技术
    • US20060276986A1
    • 2006-12-07
    • US11145906
    • 2005-06-06
    • Thomas AndersonWilliam CastellanoScott McLeod
    • Thomas AndersonWilliam CastellanoScott McLeod
    • G06F19/00
    • G01R31/31703G01R31/3167
    • In one set of embodiments, trimming of a reference, which may be a bandgap reference and which is configured on an integrated circuit, may be controlled by an algorithm executed by logic circuitry also configured on the integrated circuit. The bandgap reference may be configured to generate a reference voltage provided to an analog to digital converter (ADC) comprised in a temperature sensor that may also be configured on the integrated circuit. The logic circuitry may be configured to execute one or more of a variety of test algorithms, for example a Successive Approximation Method or remainder processing, that are operable to adjust values of reference trim bits used in trimming the bandgap reference. A tester system configured to perform testing of the integrated circuit may initiate execution of the test algorithm, thereby initiating the trimming process, and may wait for the test algorithm to complete within a previously defined amount of time, or may poll the logic circuitry to determine when the trimming process is complete.
    • 在一组实施例中,可以通过由集成电路上也配置的逻辑电路执行的算法来控制可以是带隙基准并且在集成电路上配置的参考的修整。 带隙基准可以被配置为产生提供给也可以在集成电路上配置的温度传感器中的模数转换器(ADC)的参考电压。 逻辑电路可以被配置为执行各种测试算法中的一个或多个,例如连续逼近方法或余数处理,其可操作以调整在修整带隙基准中使用的参考修整位的值。 配置为执行集成电路的测试的测试器系统可以启动测试算法的执行,从而启动修剪过程,并且可以等待测试算法在先前定义的时间量内完成,或者可以轮询逻辑电路以确定 修剪过程完成。