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    • 8. 发明申请
    • Constant Current DC-DC Converter
    • 恒流DC-DC转换器
    • US20130141006A1
    • 2013-06-06
    • US13300219
    • 2011-11-18
    • Wei Song
    • Guo Jun LiWei Song
    • G05F3/08H05B37/02
    • G05F3/08H05B33/0812H05B37/02
    • A device includes a positive power supply voltage node; and a first operational amplifier including a first input, a second input, and an output coupled to the second input. The device further includes a first resistor coupled between the second input of the first operational amplifier and the positive power supply voltage node; a second resistor coupled between the output of the first operational amplifier and an electrical ground, and is configured to receive a same current flowing through the first resistor; a second operational amplifier including a first input coupled to the second resistor, and an output coupled to an output node; and a third resistor coupled between the electrical ground and a second input of the second operational amplifier.
    • 一个装置包括一个正电源电压节点; 以及包括第一输入,第二输入和耦合到第二输入的输出的第一运算放大器。 该装置还包括耦合在第一运算放大器的第二输入端和正电源电压节点之间的第一电阻器; 耦合在所述第一运算放大器的输出端和电接地之间的第二电阻器,并且被配置为接收流过所述第一电阻器的相同电流; 第二运算放大器,包括耦合到第二电阻器的第一输入端和耦合到输出节点的输出端; 以及耦合在所述电接地和所述第二运算放大器的第二输入端之间的第三电阻器。
    • 9. 发明申请
    • SPEAKER
    • 扬声器
    • US20120177244A1
    • 2012-07-12
    • US13325032
    • 2011-12-13
    • Sha-sha LiuWei Song
    • Sha-sha LiuWei Song
    • H04R1/00F16M13/00
    • H04R7/18H04R7/20
    • A speaker includes a holder forming a hollow space, a magnetic system received in the hollow space, a suspension assembled with the holder and defining a supporting portion, a pair of fixing portions far away from the supporting portion and fixed on the holder, and a plurality of arm portions connecting the supporting portion and the fixing portions, respectively. The arm portions defines a pair of outer arm portions protruded outwardly from the circumference of two ends of the supporting portion and a pair of inner arm portions extending from the circumference of said two ends of the supporting portion and set in space with respect to the inner arm portions, respectively.
    • 扬声器包括形成中空空间的保持器,容纳在中空空间中的磁体系统,与保持器组装并限定支撑部分的悬架,远离支撑部分并固定在保持器上的一对固定部分,以及 多个臂部分别连接支撑部分和固定部分。 臂部限定从支撑部分的两端的圆周向外突出的一对外臂部分和从支撑部分的两个端部的圆周延伸的一对内臂部分,并且相对于内部 臂部分别。
    • 10. 发明授权
    • Method and device for scheduling true CPU resources for a virtual machine system
    • 为虚拟机系统调度真实CPU资源的方法和设备
    • US08191064B2
    • 2012-05-29
    • US12220626
    • 2008-07-24
    • Wei Song
    • Wei Song
    • G06F9/455G06F9/46
    • G06F9/5077G06F9/5083
    • A method and a device for scheduling true CPU resources for a virtual machine system are disclosed. In one aspect a virtual machine monitor (VMM) acquires information about loads on virtual CPUs (VCPUs), and the VMM assigns the true CPU resources based on the information about the loads on the VCPUs in such a manner that more true CPU resources are assigned to a VCPU with a higher load. With the method and device according to certain embodiments, it is possible to assign the true CPU resources based on the information about the loads on the VCPUs in such a manner that more true CPU resources are assigned to a VCPU with a higher load. Further, certain embodiments are implemented directly by the VMM irrespective of types of upper-level GOSs, and thus is versatile.
    • 公开了一种用于为虚拟机系统调度真实CPU资源的方法和装置。 在一个方面,虚拟机监视器(VMM)获取有关虚拟CPU(VCPU)上的负载的信息,VMM根据关于VCPU上的负载的信息分配真实CPU资源,以便分配更真实的CPU资源 到具有更高负载的VCPU。 利用根据某些实施例的方法和设备,可以以更加真实的CPU资源被分配给具有较高负载的VCPU的方式,基于关于VCPU上的负载的信息来分配真实CPU资源。 此外,某些实施例直接由VMM实现,而不管上级GOS的类型如何,因此是通用的。