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    • 43. 发明申请
    • Low power content addressable memory system and method
    • 低功耗可寻址存储器系统和方法
    • US20060171184A1
    • 2006-08-03
    • US11321749
    • 2005-12-29
    • Anoop KhuranaRajiv Kumar
    • Anoop KhuranaRajiv Kumar
    • G11C15/00
    • G11C15/04
    • A low power content addressable memory system comprising an array of content addressable memory cells organized as a plurality of equal sized cam cell groups, each cam cell group having one or more cam cells; a valid entry tag bit associated with each said content addressable memory cell; a match output generator connected to the output of each cam cell and an enabling means having its first input connected to the valid entry tag bit, its second input connected to a match control signal and its output connected to the corresponding match output generator such that said match output generator is enabled only if said valid entry tag bit indicates a valid entry.
    • 一种低功率内容可寻址存储器系统,包括被组织为多个相等尺寸的凸轮单元组的内容可寻址存储器单元的阵列,每个凸轮单元组具有一个或多个凸轮单元; 与每个所述内容可寻址存储器单元相关联的有效输入标签位; 连接到每个凸轮单元的输出的匹配输出发生器和启用装置,其第一输入连接到有效输入标签位,其第二输入连接到匹配控制信号,其输出连接到相应的匹配输出发生器,使得所述 匹配输出生成器只有在所述有效条目标签位指示有效条目时被使能。
    • 46. 发明授权
    • Implementation of power control in a wireless overlay network
    • 在无线覆盖网络中实现功率控制
    • US06654614B2
    • 2003-11-25
    • US09347385
    • 1999-07-06
    • Martin MorrisRajiv KumarLyn NguyenHiep Pham
    • Martin MorrisRajiv KumarLyn NguyenHiep Pham
    • H04B138
    • H04W52/38H04W88/06H04W92/02
    • A method and apparatus for internetworked communication between first and second wireless networks containing first and second pluralities of wireless nodes, respectively, is disclosed herein. In a preferred implementation a first dual-power node participates in both a first wireless network and an overlay network. The dual-power node is configured to transmit and receive in both a high-power mode and a low-power mode. The dual-power node operates in an overlay network and facilitates data transmission between low-power nodes and high-power nodes by toggling between these two power modes. In a preferred implementation, a third wireless network containing a third plurality of wireless nodes is utilized. The overlay network can accommodate a plurality of high-power or dual-power nodes.
    • 本文公开了分别包含第一和第二多个无线节点的第一和第二无线网络之间的互联网络通信的方法和装置。 在优选实施例中,第一双功率节点参与第一无线网络和覆盖网络。 双功率节点配置为在高功率模式和低功耗模式下进行发送和接收。 双功率节点在覆盖网络中运行,并且通过在这两个功率模式之间切换来促进低功率节点和高功率节点之间的数据传输。 在优选实现中,利用包含第三多个无线节点的第三无线网络。 覆盖网络可容纳多个高功率或双功率节点。
    • 47. 发明授权
    • Intent-driven functional verification of digital designs
    • 数字设计的意图驱动功能验证
    • US06651228B1
    • 2003-11-18
    • US09566684
    • 2000-05-08
    • Prakash NarainRajiv KumarJohn M. BeardsleeRajeev K. RanjanChristopher R. Morrison
    • Prakash NarainRajiv KumarJohn M. BeardsleeRajeev K. RanjanChristopher R. Morrison
    • G06F1750
    • G06F17/5022
    • A method and apparatus are provided that facilitate analysis of the intended flow of logical signals between key points in a design. According to one aspect of the present invention, hardware design defects can be detected using a novel Intent-Driven Verification process. First, a representation of a hardware design and information regarding the intended flow of logical signals among variables in the representation are received. Then, the existence of potential errors in the hardware design may be inferred based upon the information regarding the intended flow of logical signals by (1) translating the information regarding the intended flow of logical signals into a comprehensive set of checks that must hold true in order for the hardware design to operate in accordance with the intended flow of logical signals, and (2) determining if any of the checks can be violated during operation of circuitry represented by the hardware design.
    • 提供了一种便于在设计中的关键点之间分析逻辑信号的预期流程的方法和装置。 根据本发明的一个方面,可以使用新颖的意图驱动验证过程来检测硬件设计缺陷。 首先,接收硬件设计的表示和关于表示中的变量之间的逻辑信号的预期流程的信息。 然后,可以基于关于逻辑信号的预期流程的信息来推断硬件设计中的潜在错误的存在,即(1)将关于逻辑信号的预期流程的信息转换成必须在 硬件设计的顺序是根据逻辑信号的预期流程进行操作,以及(2)在由硬件设计表示的电路的操作期间确定是否可以违反任何检查。
    • 49. 发明授权
    • Modeling and verifying the intended flow of logical signals in a hardware design
    • 在硬件设计中建模和验证逻辑信号的预期流程
    • US06493852B1
    • 2002-12-10
    • US09566683
    • 2000-05-08
    • Prakash NarainRajiv Kumar
    • Prakash NarainRajiv Kumar
    • G06F1750
    • G06F17/5022
    • A method and apparatus are provided that facilitate analysis of the intended flow of logical signals between key points in a design. According to one aspect of the present invention, a method is provided for explicitly associating state information with variables of a language description of a hardware design. Information regarding the intended flow of logical signals among the variables, which represent interconnects in the hardware design through with the logical signals pass, is received. Then, the intended flow of logical signals is modeled by associating state information with the variables in accordance with the intended flow of logical signals. Advantageously, in this manner, the integrity of the data flow can be verified by confirming checks that are expressed as a function of the states associated with the variables.
    • 提供了一种便于在设计中的关键点之间分析逻辑信号的预期流程的方法和装置。 根据本发明的一个方面,提供了一种用于将状态信息与硬件设计的语言描述的变量明确地相关联的方法。 关于在逻辑信号通过中表示硬件设计中的互连的变量之间的逻辑信号的预期流程的信息被接收。 然后,通过根据逻辑信号的预期流程将状态信息与变量相关联来建模逻辑信号的预期流程。 有利地,以这种方式,可以通过确认作为与变量相关联的状态的函数表示的检查来验证数据流的完整性。