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    • 16. 发明授权
    • Bus driver circuit including a slew rate indicator circuit having a one
shot circuit
    • 总线驱动器电路包括具有单触发电路的转换速率指示器电路
    • US5959481A
    • 1999-09-28
    • US801521
    • 1997-02-18
    • Kevin S. DonnellyChanh TranMichael ChingBruno Garlepp
    • Kevin S. DonnellyChanh TranMichael ChingBruno Garlepp
    • G06F13/40H03K5/12
    • G06F13/4072
    • A bus driver circuit having slew rate control. According to one embodiment, the bus driver circuit includes the following elements: a first circuit having an input configured to receive a data signal and an output operative to output a drive signal in response to the data signal; a second circuit coupled in parallel with the first circuit and operative to receive a slew rate control signal; and a slew rate indicator circuit coupled to the second circuit. The slew rate indicator circuit determines the state of the slew rate control signal in response to operating conditions that cause variations in the slew rate of the drive signal such that when the slew rate control signal is asserted, the second circuit is enabled to affect the slew rate of the drive signal. For one embodiment, the slew rate indicator includes a pulse generator circuit and a clocked comparator circuit. The pulse generator circuit is operative to receive a clock signal and generate a pulse in response to a first transition of the clock signal. The clocked comparator is coupled to the pulse generator circuit and operative to receive the pulse. The clocked comparator determines the state of the slew rate control signal by sampling for the pulse in response to a second transition of the clock signal.
    • 具有转换速率控制的总线驱动器电路。 根据一个实施例,总线驱动器电路包括以下元件:第一电路,其具有被配置为接收数据信号的输入和用于响应于数据信号输出驱动信号的输出; 第二电路,与第一电路并联并且可操作以接收压摆率控制信号; 以及耦合到第二电路的转换速率指示器电路。 压摆率指示电路响应于导致驱动信号的转换速率的变化的操作条件来确定转换速率控制信号的状态,使得当转换速率控制信号被确认时,第二电路能够影响转换 驱动信号的速率。 对于一个实施例,转换速率指示器包括脉冲发生器电路和时钟比较器电路。 脉冲发生器电路用于接收时钟信号并且响应于时钟信号的第一转换而产生脉冲。 时钟比较器耦合到脉冲发生器电路并且可操作以接收脉冲。 时钟比较器响应于时钟信号的第二次转换来确定脉冲采样的转换速率控制信号的状态。
    • 18. 发明授权
    • Microhubs and its applications
    • Microhubs及其应用
    • US08041705B2
    • 2011-10-18
    • US12348336
    • 2009-01-05
    • Srinivasan BalasubramanianMichael ChingPiyoosh JalanSatish C. PenmetsaAndrew S. Tomkins
    • Srinivasan BalasubramanianMichael ChingPiyoosh JalanSatish C. PenmetsaAndrew S. Tomkins
    • G06F17/30
    • G06F17/30864Y10S707/99932Y10S707/99937
    • A system and method of crawling at least one website comprising at least one URL includes maintaining a lookup structure comprising all of the URLs known to be on a website; calculating a hub score for each webpage of the website to be recrawled, wherein the hub score measures how likely the to be recrawled webpage includes links to fresh content published on the website; sorting all the to be recrawled pages by their hub scores; and crawling the to be recrawled pages in order from highest hub scores to lowest hub scores. The calculating comprises computing a first value equaling a percentage of a number of new relative URLs on the to be recrawled page; computing a second value equaling a percentage of a previous hub score of the to be recrawled page; and computing the hub score as a sum of the first and the second values.
    • 一种爬行包括至少一个URL的至少一个网站的系统和方法包括维护包括已知在网站上的所有URL的查找结构; 计算要重新抓取的网站的每个网页的中心评分,其中中心评分测量重新获取的网页的可能性包括链接到在网站上发布的新鲜内容; 通过他们的中心分数排序所有要重新抓取的页面; 并从最高中心分数到最低中心分数的顺序爬行重新抓取的页面。 计算包括计算等于要重新获取的页面上的多个新的相对URL的百分比的第一值; 计算等于要重新抓取的页面的先前中心点的百分比的第二值; 以及将所述中心分数计算为所述第一和第二值的总和。
    • 19. 发明授权
    • Microhubs and its applications
    • Microhubs及其应用
    • US07496557B2
    • 2009-02-24
    • US11241469
    • 2005-09-30
    • Srinivasan BalasubramanianMichael ChingPiyoosh JalanSatish C. PenmetsaAndrew S. Tomkins
    • Srinivasan BalasubramanianMichael ChingPiyoosh JalanSatish C. PenmetsaAndrew S. Tomkins
    • G06F13/30
    • G06F17/30864Y10S707/99932Y10S707/99937
    • A system and method of crawling at least one website comprising at least one URL includes maintaining a lookup structure comprising all of the URLs known to be on a website; calculating a hub score for each webpage of the website to be recrawled, wherein the hub score measures how likely the to be recrawled webpage includes links to fresh content published on the website; sorting all the to be recrawled pages by their hub scores; and crawling the to be recrawled pages in order from highest hub scores to lowest hub scores. The calculating comprises computing a first value equaling a percentage of a number of new relative URLs on the to be recrawled page; computing a second value equaling a percentage of a previous hub score of the to be recrawled page; and computing the hub score as a sum of the first and the second values.
    • 一种爬行包括至少一个URL的至少一个网站的系统和方法包括维护包括已知在网站上的所有URL的查找结构; 计算要重新抓取的网站的每个网页的中心评分,其中中心评分测量重新获取的网页的可能性包括链接到在网站上发布的新鲜内容; 通过他们的中心分数排序所有要重新抓取的页面; 并从最高中心分数到最低中心分数的顺序爬行重新抓取的页面。 计算包括计算等于要重新获取的页面上的多个新的相对URL的百分比的第一值; 计算等于要重新抓取的页面的先前中心点的百分比的第二值; 以及将所述中心分数计算为所述第一和第二值的总和。
    • 20. 发明授权
    • Adaptive-allocation of I/O bandwidth using a configurable interconnect topology
    • 使用可配置的互连拓扑自适应分配I / O带宽
    • US07420990B2
    • 2008-09-02
    • US11558757
    • 2006-11-10
    • Michael ChingSteven Woo
    • Michael ChingSteven Woo
    • H04J3/16
    • G06F13/4072H04L5/14H04L5/143H04L5/18H04L25/0272H04L25/0294Y02D10/14Y02D10/151
    • Apparatus and methods allocate I/O bandwidth of an electrical component, such as an IC, by configuring an I/O interface into various types of interfaces. In an embodiment of the present invention, an I/O interface is configured into either a bidirectional contact, unidirectional contact (including either a dedicated transmit or dedicated receive contact) or a maintenance contact used in a maintenance or calibration mode of operation. The I/O interface is periodically reconfigured to optimally allocate I/O bandwidth responsive to system parameters, such as changing data workloads in the electronic components. System parameters include, but are not limited to, 1) number of transmit-receive bus turnarounds; 2) number of transmit and/or receive data packets; 3) user selectable setting 4) number of transmit and/or receive commands; 5) direct requests from one or more electronic components; 6) number of queued transactions in one or more electronic components; 7) transmit burst-length setting, 8) duration or cycle count of bus commands, and control strobes such as address/data strobe, write enable, chip select, data valid, data ready; 9) power and/or temperature of one or more electrical components; 10) information from executable instructions, such as a software application or operating system; 11) multiple statistics over respective periods of time to determine if using a different bandwidth allocation would result in better performance. The importance of a system parameter may be weighted over time in an embodiment of the present invention.
    • 装置和方法通过将I / O接口配置成各种类型的接口来分配诸如IC的电气部件的I / O带宽。 在本发明的实施例中,I / O接口被配置为双向触点,单向触点(包括专用发送或专用接收触点)或在维护或校准操作模式中使用的维护触点。 周期性地重新配置I / O接口,以响应于系统参数(例如改变电子组件中的数据工作负载)来最佳地分配I / O带宽。 系统参数包括但不限于:1)发送接收总线周转数; 2)发送和/或接收数据包的数量; 3)用户可选设置4)发送和/或接收命令的数量; 5)一个或多个电子元件的直接请求; 6)一个或多个电子组件中的排队交易数; 7)发送突发长度设置,8)总线命令的持续时间或周期计数,以及控制选通,如地址/数据选通,写使能,片选,数据有效,数据准备; 9)一个或多个电气部件的功率和/或温度; 10)来自可执行指令的信息,例如软件应用或操作系统; 11)在各个时间段内的多个统计,以确定是否使用不同的带宽分配将导致更好的性能。 在本发明的实施例中,系统参数的重要性可以随时间加权。