Interconnect and driver optimization for high performance processors
    11.
    发明授权
    Interconnect and driver optimization for high performance processors 失效
    高性能处理器的互连和驱动优化

    公开(公告)号:US5649170A

    公开(公告)日:1997-07-15

    申请号:US497175

    申请日:1995-06-30

    CPC classification number: H01L27/0207 G06F17/505 G06F17/5068

    Abstract: A method for determining an optimal design for wiring interconnect and driver power for a designed target delay begins at the floor planning stages of the chip design and may be repeated during the design process. The designer initially specifies a maximum width that wires are allowed to use and a target delay value. Then the designer gives values to weights used in the calculation of an optimization function G(d,p,w), where d is the delay, p is the power, and w is wire width. An "ideal" slope ##EQU1## is calculated, assuming zero resistance. The designer chooses a slope decrease value from the "ideal" slope value. For each set wire width, the delay (at the proper slope) belonging to that particular wire width is obtained. With these inputs, an optimization program according to the invention is run. This program then calculates values of the function G(d,p,w) for increasing wire pitches, starting with the minimum allowed by the technology. The process continues until (1) the target delay is set by the designer is met, (2) the largest pitch value allowed by the designer is reached, or (3) further calculation will not yield a smaller value for the optimization function.

    Abstract translation: 用于确定用于设计的目标延迟的布线互连和驱动器功率的最佳设计的方法从芯片设计的平面布置阶段开始,并且可以在设计过程期间重复。 设计师最初规定允许使用电线的最大宽度和目标延迟值。 然后,设计人员给出了计算优化函数G(d,p,w)时使用的权重值,其中d是延迟,p是功率,w是线宽。 一个“理想”的斜坡。 设计者从“理想”斜率值中选择斜率减小值。 对于每组设置的线宽,获得属于该特定线宽的延迟(以适当的斜率)。 利用这些输入,执行根据本发明的优化程序。 该程序然后计算用于增加线间距的函数G(d,p,w)的值,从该技术允许的最小值开始。 该过程一直持续到(1)设计人员满足目标延迟,(2)达到设计师允许的最大间距值,或者(3)进一步的计算不会产生较小的优化函数值。

    Method and apparatus for misalignment compensation in optical joysticks
    12.
    发明授权
    Method and apparatus for misalignment compensation in optical joysticks 有权
    光学操纵杆不对准补偿的方法和装置

    公开(公告)号:US08957859B2

    公开(公告)日:2015-02-17

    申请号:US13695256

    申请日:2011-04-12

    CPC classification number: G06F3/038 G06F3/0338 G06F3/042

    Abstract: An apparatus for misalignment compensation in optical joysticks is described. The optical joystick includes a light source, a plurality of photodetectors, and circuitry for controlling operation of the optical joystick. In some embodiments, each of the photodetectors may partitioned into a plurality of photodetector elements and select photodetector elements are configured to be individually activated in order to cause an electrical shifting of the selected photodetector elements to achieve a different operational alignment position of optical components of the optical joystick. In some embodiments, the light source may be similarly be calibrated by individually activating portions of a light-source array to cause an electrical shift. Various other embodiments and methods of operation are also described.

    Abstract translation: 描述了光学操纵杆中的未对准补偿装置。 光学操纵杆包括光源,多个光电检测器和用于控制光学操纵杆操作的电路。 在一些实施例中,每个光电探测器可以被划分为多个光电检测器元件,并且选择光电检测器元件被配置为被单独激活,以便引起所选择的光检测器元件的电移动,以实现所述光检测器元件的光学部件的不同的操作对准位置 光学操纵杆 在一些实施例中,光源可以类似地通过单独激活光源阵列的部分来进行校准,以引起电偏移。 还描述了各种其它实施例和操作方法。

    MEMS resonator
    13.
    发明授权
    MEMS resonator 有权
    MEMS谐振器

    公开(公告)号:US08803624B2

    公开(公告)日:2014-08-12

    申请号:US13537303

    申请日:2012-06-29

    Applicant: Kim Phan Le

    Inventor: Kim Phan Le

    CPC classification number: H03H9/2431

    Abstract: A MEMS resonator has a resonator mass in the form of a closed ring anchored at points around the ring. A set of ring comb electrode arrangements is fixed to the ring at locations between the anchor points, to couple the input (drive) and output (sense) signals to/from the resonator mass.

    Abstract translation: MEMS谐振器具有围绕环的点锚定的闭环形式的谐振器质量。 一组环形梳状电极布置在固定点之间的位置处固定到环上,以将谐振器质量的输入(驱动)和输出(感测)信号耦合。

    Magnetoresistive sensor
    14.
    发明授权
    Magnetoresistive sensor 有权
    磁阻传感器

    公开(公告)号:US08680857B2

    公开(公告)日:2014-03-25

    申请号:US13191730

    申请日:2011-07-27

    CPC classification number: G01R33/09 G01R33/096

    Abstract: A magnetoresistive sensor comprising first and second magnetoresistive elements is disclosed. Each magnetoresistive element is coupled at a respective first end to a common ground terminal and comprises one or more magnetoresistive segments, each overlying a corresponding segment of an excitation coil. The resistance of the magnetoresistive segments in each of the first and second magnetoresistive elements is the same and the resistance of the segments of the excitation coil corresponding to the first magnetoresistive element is the same as the resistance of the segments of the excitation coil corresponding to the second magnetoresistive element.

    Abstract translation: 公开了包括第一和第二磁阻元件的磁阻传感器。 每个磁阻元件在相应的第一端处耦合到公共接地端子,并且包括一个或多个磁阻片段,每个磁阻片段覆盖激励线圈的相应片段。 第一和第二磁阻元件中的每一个中的磁阻部分的电阻相同,并且与第一磁阻元件相对应的激励线圈的段的电阻与对应于第一磁阻元件的激励线圈的段的电阻相同 第二磁阻元件。

    Pressure gauge
    15.
    发明授权
    Pressure gauge 有权
    压力计

    公开(公告)号:US08627726B2

    公开(公告)日:2014-01-14

    申请号:US12601077

    申请日:2008-06-04

    Abstract: A pressure/vacuum sensor and method, comprising: driving a MEMS piezoresistive resonator (8) into resonant vibration, applying Joule heating to the resonator (8); and sensing a variable parameter that varies in response to the tendency of the resonant frequency (fo) to depend upon the temperature of the resonator (8), the temperature thereof depending upon the pressure. The variable parameter may be the resonant frequency of the resonator (8), or a change therein, or may be derived from a feedback loop, being for example a time integrated feedback signal (82) or a reading (94) of the sense current (22), the loop keeping the resonant frequency constant in opposition to the above mentioned tendency. A reference MEMS capacitive resonator (62) may be located in the vicinity of the resonator (8) for compensating purposes.

    Abstract translation: 一种压力/真空传感器和方法,包括:将MEMS压阻谐振器(8)驱动到共振振动中,对谐振器(8)施加焦耳加热; 以及感测响应谐振频率(fo)的趋势而变化的可变参数取决于谐振器(8)的温度,其温度取决于压力。 可变参数可以是谐振器(8)的谐振频率或其中的变化,或者可以从反馈回路导出,例如时间积分反馈信号(82)或感测电流的读数(94) (22),保持谐振频率与上述趋势相反的环路的回路。 参考MEMS电容谐振器(62)可以位于谐振器(8)附近用于补偿目的。

    Device with a micro electromechanical structure
    16.
    发明授权
    Device with a micro electromechanical structure 有权
    具有微机电结构的装置

    公开(公告)号:US08624137B2

    公开(公告)日:2014-01-07

    申请号:US13120351

    申请日:2009-09-17

    Applicant: Kim Phan Le

    Inventor: Kim Phan Le

    CPC classification number: H03H9/2405 H03H9/2436 H03H9/505 H03H2009/2442

    Abstract: A device has a micro electromechanical structure (10) with a first arm (102), at least one second arm (104a, b) connected to each other via a connection (100). Both arms (102, 104a, b) and the connection (100) are preferably made of a single crystalline body. The first and second arm (102, 104a, b) have end portions attached to a substrate, but otherwise the arms and their connection are free to move relative to the substrate. The first and second arm (102, 104a, b) extending from the end portions to the connection (100) along different directions, preferably perpendicularly to each other. An electrode (12) is provided on the substrate, adjacent to the micro electromechanical structure (10) to excite vibration of the structure. The two arms in different directions make it possible to reduce the nonlinearity of the stiffness during vibrations of the structure.

    Abstract translation: 一种装置具有具有第一臂(102)的微机电结构(10),经由连接(100)彼此连接的至少一个第二臂(104a,b)。 两个臂(102,104a,b)和连接件(100)优选由单个结晶体制成。 第一和第二臂(102,104a,b)具有附接到基底的端部,但是否则臂和它们的连接相对于基底自由移动。 第一臂和第二臂(102,104a,b)沿着不同的方向从端部延伸到连接(100),优选地彼此垂直。 电极(12)设置在基板上,与微机电结构(10)相邻,以激发结构的振动。 不同方向的两个臂可以降低结构振动期间刚度的非线性。

    MEMS RESONATOR
    17.
    发明申请
    MEMS RESONATOR 有权
    MEMS谐振器

    公开(公告)号:US20130009716A1

    公开(公告)日:2013-01-10

    申请号:US13537303

    申请日:2012-06-29

    Applicant: Kim PHAN LE

    Inventor: Kim PHAN LE

    CPC classification number: H03H9/2431

    Abstract: A MEMS resonator has a resonator mass in the form of a closed ring anchored at points around the ring. A set of ring comb electrode arrangements is fixed to the ring at locations between the anchor points, to couple the input (drive) and output (sense) signals to/from the resonator mass.

    Abstract translation: MEMS谐振器具有围绕环的点锚定的闭环形式的谐振器质量。 一组环形梳状电极布置在固定点之间的位置处固定到环上,以将谐振器质量的输入(驱动)和输出(感测)信号耦合。

    MEMS OSCILLATOR
    20.
    发明申请
    MEMS OSCILLATOR 有权
    MEMS振荡器

    公开(公告)号:US20120032747A1

    公开(公告)日:2012-02-09

    申请号:US13198067

    申请日:2011-08-04

    CPC classification number: H03H9/02259

    Abstract: A piezoresistive MEMS oscillator comprises a resonator body, first and second drive electrodes located adjacent the resonator body for providing an actuation signal; and at least a first sense electrode connected to a respective anchor point. The voltages at the electrodes are controlled and/or processed such that the feedthrough AC current from one drive electrode to the sense electrode is at least partially offset by the feedthrough AC current from the other drive electrode to the sense electrode.

    Abstract translation: 压电MEMS振荡器包括谐振器体,位于谐振器本体附近的第一和第二驱动电极,用于提供致动信号; 以及至少连接到相应锚点的第一感测电极。 电极处的电压被控制和/或处理,使得从一个驱动电极到感测电极的馈通AC电流至少部分地被从另一驱动电极到感测电极的馈通AC电流偏移。

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