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    • 71. 发明授权
    • Granular channel width for power optimization
    • 颗粒通道宽度进行功率优化
    • US08196086B2
    • 2012-06-05
    • US12840535
    • 2010-07-21
    • Jeffrey S. BrownJonathan W. ByrnMark F. Turner
    • Jeffrey S. BrownJonathan W. ByrnMark F. Turner
    • G06F17/50
    • G06F17/5068G06F2217/78
    • A storage medium recording a cell library having one or more cells that may be readable by a computer and may be used by the computer to design an integrated circuit. The one or more cells may have a physical dimension parameter and a channel width parameter. The physical dimension parameter may be a footprint of the one or more cells. The channel width parameter may have a minimum driver size and a maximum driver size. The channel width parameter may define a range within which a tool varies the channel width between the maximum driver size and the minimum driver size during a design flow of the integrated circuit based upon one or more power criteria without changing the footprint.
    • 记录具有一个或多个可由计算机读取的单元的单元库的存储介质,并可由计算机用于设计集成电路。 一个或多个单元可以具有物理尺寸参数和通道宽度参数。 物理尺寸参数可以是一个或多个单元格的占位面积。 通道宽度参数可能具有最小驱动程序大小和最大驱动程序大小。 通道宽度参数可以定义范围,在该范围内,工具在集成电路的设计流程期间基于一个或多个功率准则改变最大驱动器尺寸和最小驱动器尺寸之间的通道宽度,而不改变占用面积。
    • 73. 发明授权
    • Dual path static timing analysis
    • 双路静态时序分析
    • US07966592B2
    • 2011-06-21
    • US12206048
    • 2008-09-08
    • Jeffrey S. BrownJonathan W. ByrnMark F. Turner
    • Jeffrey S. BrownJonathan W. ByrnMark F. Turner
    • G06F17/50G06F9/455
    • G06F17/5031G06F2217/84
    • A method to analyze timing in a circuit, generally including (A) simulating reception of an input signal and a clock signal at a first flip-flop, wherein (i) the input signal has a latest transition, (ii) the input signal arrives through a first path and (iii) the clock signal has an active edge, (B) calculating a value of a time difference between the latest transition and the active edge, (C) calculating a delay between the active edge and the latest transition appearing in an output signal, wherein (i) the delay is based on a model responding to the value, (ii) the model characterizes a clock-to-output delay as a function of the time difference and (iii) the characterization covering a range of values, (D) calculating an arrival time of the latest transition at a second flip-flop through a second signal path and (E) storing the arrival time in a recording medium.
    • 一种分析电路中的定时的方法,通常包括(A)模拟第一触发器处的输入信号和时钟信号的接收,其中(i)输入信号具有最新的转换,(ii)输入信号到达 通过第一路径和(iii)时钟信号具有有效边缘,(B)计算最新转换和有效边沿之间的时间差值,(C)计算出当前边缘与最近转换出现之间的延迟 在输出信号中,其中(i)所述延迟基于响应于该值的模型,(ii)模型将时钟到输出延迟表征为时间差的函数,以及(iii)表征范围 (D)通过第二信号路径计算第二触发器的最新转换的到达时间,以及(E)将到达时间存储在记录介质中。
    • 74. 发明授权
    • Row decode driver gradient design in a memory device
    • 行解码驱动程序渐变设计在内存设备中
    • US07787325B2
    • 2010-08-31
    • US12120611
    • 2008-05-14
    • Jeffrey S. BrownJonathan W. ByrnMark F. Turner
    • Jeffrey S. BrownJonathan W. ByrnMark F. Turner
    • G11C8/00
    • G11C8/10
    • A memory device using a plurality of enhanced row decode drivers for activating wordlines in a memory array is disclosed. Circuit design attributes of the enhanced row decode drivers are varied as a function of proximity to a source of a row address signal applied to each decode driver. The circuit variations are operable to reduce the leakage power of the driver by degrading performance thereof while maintaining required worst case timing. The worst case timing being defined by the timing and performance requirements for the most distant of the row decode driver circuits relative to the source of the applied row address signals.
    • 公开了一种使用多个用于激活存储器阵列中的字线的增强行解码驱动器的存储器件。 增强行解码驱动器的电路设计属性作为与施加到每个解码驱动器的行地址信号的源的接近度的函数而变化。 电路变化可操作以通过降低其性能而降低驾驶员的泄漏功率,同时保持所需的最差情况时机。 最差的情况定时由相对于应用的行地址信号的源的最远的行解码驱动器电路的定时和性能要求定义。
    • 76. 发明授权
    • Testable tristate bus keeper
    • 可测三通巴士管理员
    • US07676716B2
    • 2010-03-09
    • US12169216
    • 2008-07-08
    • Jeffrey S. BrownMark F. TurnerMarek J. Marasch
    • Jeffrey S. BrownMark F. TurnerMarek J. Marasch
    • G01R31/28H03K3/289
    • G01R31/318544
    • A method of testing a tristate element by applying a given value to the tristate, applying an opposite value to a keeper element connected at an output of the tristate, capturing a first value at a downstream position of the tristate, evaluating a second value at the output of the tristate using the first value, comparing the second value to the opposite value, and producing a failure code for the tristate when the second value is not equal to the opposite value. Then, applying the opposite value to the tristate, applying the given value to the keeper element, capturing the first value, evaluating the second value using the first value, comparing the second value to the given value, and producing a failure code for the tristate when the second value is not equal to the given value. A passing code for the tristate is produced when a failure code has not been produced.
    • 一种通过向三态施加给定值来测试三态元件的方法,对连接在三态输出端的保持器元件施加相反的值,在三态的下游位置处捕获第一值,评估第三值的第二值 使用第一值的三态输出,将第二值与相反值进行比较,并且当第二值不等于相反值时,产生三态的故障代码。 然后,将相反的值应用于三态,将给定值应用于保持器元件,捕获第一值,使用第一值来评估第二值,将第二值与给定值进行比较,并产生三态的故障代码 当第二个值不等于给定值时。 当没有产生故障代码时,产生三态的传递代码。
    • 77. 发明授权
    • Memory data inversion architecture for minimizing power consumption
    • 用于最小化功耗的存储器数据反转架构
    • US07525864B2
    • 2009-04-28
    • US11696870
    • 2007-04-05
    • Jeffrey S. Brown
    • Jeffrey S. Brown
    • G11C5/14
    • G11C7/1006G11C7/1012G11C7/1051G11C7/1069G11C2211/5647
    • A method for conserving power in a device is disclosed. The method generally includes the steps of (A) storing a plurality of data items in a plurality of bit cells in the device such that a majority of the bit cells holding the data items have a first logic state, wherein reading one of the bit cells having the first logic state consumes less power than reading one of the bit cells having a second logic state; (B) generating a polarity signal by analyzing the data items, the polarity signal indicating that the data items are stored in one of (i) an inverted condition and (ii) a non-inverted condition relative to a normal condition; and (C) driving at least one of the data items onto an external interface of the device in the normal condition during a read operation based on the polarity signal.
    • 公开了一种节省设备功率的方法。 该方法通常包括以下步骤:(A)将多个数据项存储在设备中的多个比特单元中,使得保存数据项的大部分比特单元具有第一逻辑状态,其中,读取比特单元之一 具有第一逻辑状态的功率比读取具有第二逻辑状态的位单元之一消耗更少的功率; (B)通过分析数据项产生极性信号,指示数据项存储在相对于正常条件的(i)反转状态和(ii)非反相状态之一的极性信号中; 以及(C)基于所述极性信号,在读取操作期间,将所述数据项中的至少一个数据项驱动到所述装置的外部接口处于正常状态。
    • 78. 发明授权
    • Secondary containment for a magnetic-drive centrifugal pump
    • 用于磁驱离心泵的二次容纳
    • US06997688B1
    • 2006-02-14
    • US10383089
    • 2003-03-06
    • Manfred P. KleinBrian C. WardJeffrey S. BrownScott A. McAloonPeter E. Phelps
    • Manfred P. KleinBrian C. WardJeffrey S. BrownScott A. McAloonPeter E. Phelps
    • F04B17/00
    • F04D29/126F04D13/026F05D2260/6022
    • A centrifugal pump includes a housing having a housing cavity, an inlet, and an outlet. A pump shaft is located within the housing cavity. A radial bearing coaxially surrounds the pump shaft. The shaft and the radial bearing are rotatable with respect to one another. An impeller is positioned to receive a fluid from the inlet and to exhaust the fluid to the outlet. The impeller has a first magnet assembly. A rotor has a second magnet assembly spaced apart from the first magnet assembly. A primary container is interposed between the impeller and the rotor. The primary container is arranged to contain a pumped fluid. A drive shaft is associated with the rotor for rotating the rotor. A secondary container contains the pumped fluid if the primary container leaks. The secondary container supports a generally dry-running seal (e.g., non-lubricated seal) associated with the drive shaft. The seal is disposed axially from the primary container and has a stationary portion and a rotating portion.
    • 离心泵包括具有壳体腔,入口和出口的壳体。 泵轴位于壳体腔内。 径向轴承同轴地围绕泵轴。 轴和径向轴承可相对于彼此旋转。 叶轮定位成从入口接收流体并将流体排出到出口。 叶轮具有第一磁体组件。 转子具有与第一磁体组件间隔开的第二磁体组件。 主容器介于叶轮和转子之间。 主容器布置成容纳泵送的流体。 驱动轴与用于旋转转子的转子相关联。 如果主容器泄漏,则辅助容器包含泵送的流体。 次级容器支撑与驱动轴相关联的通常干运行的密封件(例如,非润滑密封件)。 密封件从主容器轴向设置并具有固定部分和旋转部分。