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    • 11. 发明授权
    • Receiver resistor network for common-mode signaling
    • 用于共模信号的接收电阻网络
    • US08743973B2
    • 2014-06-03
    • US13115838
    • 2011-05-25
    • Lei LuoBrian S. LeibowitzJared L. ZerbeBarry W. DalyWayne D. DettloffJohn C. Eble, IIIJohn Wilson
    • Lei LuoBrian S. LeibowitzJared L. ZerbeBarry W. DalyWayne D. DettloffJohn C. Eble, IIIJohn Wilson
    • H04B3/00H04L25/00
    • H04L5/20
    • A receiver circuit to receive signals from first and second pairs of transmission lines includes first and second interfaces, each with first and second input nodes to receive respective signals. The receiver circuit also includes a resistor network with first, second, third, and fourth resistive elements. The first and second resistive elements are each connected between the input nodes of a respective interface. The third and fourth resistive elements each include a pair of resistors connected in series between the input nodes of a respective interface, and an intermediate node between the resistors. The intermediate nodes are connected to an AC ground. The receiver circuit further includes a differential amplifier with first and second inputs coupled respectively to the first and second interfaces and an output to provide a signal derived from common mode components of the signals received at the input nodes.
    • 接收来自第一和第二对传输线的信号的接收机电路包括第一和第二接口,每个具有第一和第二输入节点以接收相应的信号。 接收器电路还包括具有第一,第二,第三和第四电阻元件的电阻器网络。 第一和第二电阻元件各自连接在相应接口的输入节点之间。 第三和第四电阻元件各自包括串联连接在相应接口的输入节点和电阻器之间的中间节点的一对电阻器。 中间节点连接到交流接地。 接收器电路还包括差分放大器,其具有分别耦合到第一和第二接口的第一和第二输入以及输出,以提供从在输入节点处接收的信号的共模分量得到的信号。
    • 12. 发明申请
    • Computer Peripheral Display and Communication Device Providing an Adjunct 3d User Interface
    • 计算机外围显示和通信设备提供一个辅助的3d用户界面
    • US20140143687A1
    • 2014-05-22
    • US14009610
    • 2011-04-13
    • Min-Liang TanJohn WilsonPatrick Hahn
    • Min-Liang TanJohn WilsonPatrick Hahn
    • G06F3/0481A63F13/00H04L12/58
    • G06F3/0481A63F13/00G06F3/04815G06F3/1462G09G2370/022H04L51/04
    • A system for providing a visual user environment includes a processing unit, a memory, a primary display device for providing a primary visual interface, and an adjunct communication device for providing an adjunct visual interface. In an embodiment, the adjunct display device is configured to present quasi-3D or 3D images. A process can include detecting an adjunct content event corresponding to adjunct visual content associated with an aspect of an application program; and selectively transferring one of an adjunct content notification and adjunct visual content to the adjunct communication device, wherein the adjunct content event corresponds to one of an application program installation sequence, an application program event, an indication of user proficiency in interacting with the application program, a communication session with a remote system, and a predefined visual sequence that is automatically selected for presentation to the user during one of application program installation and application program execution.
    • 一种用于提供视觉用户环境的系统包括处理单元,存储器,用于提供主视觉界面的主显示设备,以及用于提供辅助视觉界面的辅助通信设备。 在一个实施例中,辅助显示设备被配置为呈现准3D或3D图像。 过程可以包括检测与应用程序的方面相关联的附加视觉内容相对应的附加内容事件; 以及选择性地将附加内容通知和辅助视觉内容中的一个附加到所述辅助通信设备,其中所述附加内容事件对应于应用程序安装顺序,应用程序事件,与所述应用程序交互的用户熟练程度的指示 ,与远程系统的通信会话,以及在应用程序安装和应用程序执行期间被自动选择以呈现给用户的预定义的视觉序列。
    • 17. 发明申请
    • Multiple Word Data Bus Inversion
    • 多字数据总线反转
    • US20120206280A1
    • 2012-08-16
    • US13502474
    • 2010-10-08
    • Aliazam AbbasfarJohn Wilson
    • Aliazam AbbasfarJohn Wilson
    • H03M7/34
    • H04L25/4915G06F13/4072G06F13/4204G11C7/1006H04L25/0272
    • A data encoding scheme for transmission of data from one circuit to another circuit considers the Hamming Weight of combined multiple words to determine whether to invert or not invert an individual word to be transmitted. The multi-word data encoding scheme performs DBI encoding with data inversion conducted based on the total HW in the combined multiple words. The decision to invert or not invert each of the multiple words is made based on the sum of the individual Hamming Weights of each of the words. Such encoding has the advantage that SSO noise is dramatically reduced when the encoded data has a large number of words transmitted from one circuit to another circuit over a wide parallel bus.
    • 用于将数据从一个电路传输到另一电路的数据编码方案考虑组合的多个字的汉明权重来确定是否反转要发送的单个字。 多字数据编码方案基于组合的多个字中的总HW执行数据反转来执行DBI编码。 基于每个单词的个体汉明重量的总和,决定反转或不反转每个多个单词。 这种编码的优点在于,当编码数据具有通过宽并行总线从一个电路发送到另一个电路的大量字时,SSO噪声显着降低。
    • 18. 发明授权
    • Reducing power-supply-induced jitter in a clock-distribution circuit
    • 降低时钟分配电路中的电源引起的抖动
    • US08198930B2
    • 2012-06-12
    • US12913754
    • 2010-10-27
    • Jared ZerbeBrian LeibowitzLei LuoJohn WilsonAnshuman BhuyanMarko Aleksic
    • Jared ZerbeBrian LeibowitzLei LuoJohn WilsonAnshuman BhuyanMarko Aleksic
    • H03H11/26
    • H03H11/265G06F1/10H03K5/1506H03K2005/00039H03K2005/0013H03K2217/0018
    • A system for compensating for power-supply-induced jitter (PSIJ) in a chain of clock buffers within an integrated circuit is described. During operation, the system couples a first supply voltage from a first voltage source to a supply node of each clock buffer in a first chain of clock buffers. Note that a change in the first supply voltage causes a change in a first propagation delay associated with the first chain of the clock buffers. The system also couples a second chain of clock buffers in series with the first chain of clock buffers. The system then couples the first voltage source to each clock buffer in the second chain of clock buffers through coupling circuitry. Next, the system adjusts the coupling circuitry so that the change in the first supply voltage from the first voltage source causes a change in a second propagation delay associated with the second chain of the clock buffers, wherein the change in the first propagation delay and the change in the second propagation delay are complementary.
    • 描述了用于补偿集成电路内的时钟缓冲器链中的电源诱发抖动(PSIJ)的系统。 在操作期间,系统将第一电压源的第一电源电压耦合到第一时钟缓冲器链中的每个时钟缓冲器的电源节点。 注意,第一电源电压的改变导致与时钟缓冲器的第一链相关联的第一传播延迟的改变。 该系统还将第二链时钟缓冲器与第一链时钟缓冲器串联耦合。 然后,系统通过耦合电路将第一电压源耦合到第二时钟缓冲器链中的每个时钟缓冲器。 接下来,系统调整耦合电路,使得来自第一电压源的第一电源电压的变化引起与时钟缓冲器的第二链相关联的第二传播延迟的改变,其中第一传播延迟和 第二传播延迟的变化是互补的。
    • 19. 发明申请
    • Receiver Resistor Network for Common-Mode Signaling
    • 用于共模信号的接收器电阻网络
    • US20110293041A1
    • 2011-12-01
    • US13115838
    • 2011-05-25
    • Lei LuoBrian S. LeibowitzJared L. ZerbeBarry W. DalyWayne D. DettloffJohn C. Eble, IIIJohn Wilson
    • Lei LuoBrian S. LeibowitzJared L. ZerbeBarry W. DalyWayne D. DettloffJohn C. Eble, IIIJohn Wilson
    • H04L27/00
    • H04L5/20
    • A receiver circuit to receive signals from first and second pairs of transmission lines includes first and second interfaces, each with first and second input nodes to receive respective signals. The receiver circuit also includes a resistor network with first, second, third, and fourth resistive elements. The first and second resistive elements are each connected between the input nodes of a respective interface. The third and fourth resistive elements each include a pair of resistors connected in series between the input nodes of a respective interface, and an intermediate node between the resistors. The intermediate nodes are connected to an AC ground. The receiver circuit further includes a differential amplifier with first and second inputs coupled respectively to the first and second interfaces and an output to provide a signal derived from common mode components of the signals received at the input nodes.
    • 接收来自第一和第二对传输线的信号的接收机电路包括第一和第二接口,每个具有第一和第二输入节点以接收相应的信号。 接收器电路还包括具有第一,第二,第三和第四电阻元件的电阻器网络。 第一和第二电阻元件各自连接在相应接口的输入节点之间。 第三和第四电阻元件各自包括串联连接在相应接口的输入节点和电阻器之间的中间节点的一对电阻器。 中间节点连接到交流接地。 接收器电路还包括差分放大器,其具有分别耦合到第一和第二接口的第一和第二输入端和输出端,以提供从在输入节点接收的信号的共模分量得到的信号。
    • 20. 发明申请
    • REDUCING POWER-SUPPLY-INDUCED JITTER IN A CLOCK-DISTRIBUTION CIRCUIT
    • 在时钟分配电路中减少供电电感器
    • US20110102043A1
    • 2011-05-05
    • US12913754
    • 2010-10-27
    • Jared ZerbeBrian LeibowitzLei LuoJohn WilsonAnshuman BhuyanMarko Aleksic
    • Jared ZerbeBrian LeibowitzLei LuoJohn WilsonAnshuman BhuyanMarko Aleksic
    • H03H11/26
    • H03H11/265G06F1/10H03K5/1506H03K2005/00039H03K2005/0013H03K2217/0018
    • A system for compensating for power-supply-induced jitter (PSIJ) in a chain of clock buffers within an integrated circuit is described. During operation, the system couples a first supply voltage from a first voltage source to a supply node of each clock buffer in a first chain of clock buffers. Note that a change in the first supply voltage causes a change in a first propagation delay associated with the first chain of the clock buffers. The system also couples a second chain of clock buffers in series with the first chain of clock buffers. The system then couples the first voltage source to each clock buffer in the second chain of clock buffers through coupling circuitry. Next, the system adjusts the coupling circuitry so that the change in the first supply voltage from the first voltage source causes a change in a second propagation delay associated with the second chain of the clock buffers, wherein the change in the first propagation delay and the change in the second propagation delay are complementary.
    • 描述了用于补偿集成电路内的时钟缓冲器链中的电源诱发抖动(PSIJ)的系统。 在操作期间,系统将第一电压源的第一电源电压耦合到第一时钟缓冲器链中的每个时钟缓冲器的电源节点。 注意,第一电源电压的改变导致与时钟缓冲器的第一链相关联的第一传播延迟的改变。 该系统还将第二链时钟缓冲器与第一链时钟缓冲器串联耦合。 然后,系统通过耦合电路将第一电压源耦合到第二时钟缓冲器链中的每个时钟缓冲器。 接下来,系统调整耦合电路,使得来自第一电压源的第一电源电压的变化引起与时钟缓冲器的第二链相关联的第二传播延迟的改变,其中第一传播延迟和 第二传播延迟的变化是互补的。