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    • 41. 发明授权
    • Semiconductor device, memory device and memory module having digital interface
    • 半导体器件,存储器件和具有数字接口的存储器模块
    • US07856072B2
    • 2010-12-21
    • US12481798
    • 2009-06-10
    • Hideki OsakaYoji NishioSeiji FunabaKazuyoshi Shoji
    • Hideki OsakaYoji NishioSeiji FunabaKazuyoshi Shoji
    • H03K9/00H03B1/00G05F1/10
    • H03K5/082H03K5/135
    • An object of the present invention is to reduce jitter dependent on data patterns by an interface receiver. Another object of the present invention is to provide an LSI capable of automatically adjusting a delay time for jitter reduction so as to be able to control its setting for each device. Since the jitter dependent on the data patterns can be expected according to how the previous state is being placed, the state of data received by the receiver is held, and the timing provided to fetch input data is adjusted according to the held state and the input data. As a control mechanism lying in the receiver, for determining a delay time dependent on the form of mounting, a driver transmits and receives pulse data set at one-cycle intervals and pulse data set at two-cycle intervals as test patterns. The receiver has an automatic control mechanism for determining a delay time optimal to a system from the difference between a rising time of each of pulses different in pulse width and its falling time.
    • 本发明的一个目的是通过接口接收机减少取决于数据模式的抖动。 本发明的另一个目的是提供一种LSI能够自动调整抖动减少的延迟时间,以便能够控制每个设备的设置。 由于根据数据模式的抖动可以根据先前状态如何被预期,所以保持由接收器接收到的数据的状态,并且根据保持的状态和输入来调整提取输入数据的定时 数据。 作为位于接收机中的控制机构,为了确定取决于安装形式的延迟时间,驱动器以一个周期的间隔发送和接收设置的脉冲数据,并以两个周期的间隔设置脉冲数据作为测试模式。 接收机具有自动控制机构,用于根据脉冲宽度不同的脉冲的上升时间与其下降时间之间的差来确定对系统最佳的延迟时间。
    • 47. 发明申请
    • Main board for backplane buses
    • 背板总线主板
    • US20060232949A1
    • 2006-10-19
    • US11404912
    • 2006-04-17
    • Hideki Osaka
    • Hideki Osaka
    • H05K7/06
    • H05K1/0236H05K1/0237H05K1/0298H05K1/167H05K2201/044H05K2201/09681H05K2201/0969
    • A motherboard for backplane buses is provided that reduces noise due to entry of external signals into signal wiring which interconnects modules, or noise due to any external signals entering a power supply after being routed around the power supply. An EBG pattern formed up of two wiring regions different from each other in impedance is periodically disposed in at least three arrays as part of the power supply layer(s) constituting a microstripline structure (one layer adjacent to a signal layer is a power supply layer, and the other layer-is interposed in air) or a stripline structure (both layers adjacent to a signal layer are power supply layers); the part of the power supply layer(s) not being involved in signal transmission between the modules on the motherboard for backplane buses.
    • 提供了用于背板总线的主板,其将由于外部信号进入到互连模块的信号布线而引起的噪声,或者由于任何外部信号在绕过电源而进入电源之后产生的噪声。 由构成微带结构的电源层的一部分(至少与信号层相邻的一层是供电层),在至少三个阵列中周期性地设置由阻抗彼此不同的两个布线区域形成的EBG图案 ,另一层插入空气中)或带状线结构(与信号层相邻的两层是电源层); 电源层的一部分不涉及用于背板总线的主板上的模块之间的信号传输。
    • 49. 发明授权
    • Printed board inspecting apparatus
    • 印刷板检测仪器
    • US06924651B2
    • 2005-08-02
    • US10212209
    • 2002-08-06
    • Hideki OsakaToyohiko Komatsu
    • Hideki OsakaToyohiko Komatsu
    • G01R31/02G01R5/00G01R31/11G01R31/28G01R27/28G01R31/00
    • G01R31/11G01R31/2806Y10T29/49004Y10T29/4913
    • A printed board inspecting apparatus includes: an input unit for inputting a pulse from a first signal line; a receiving unit for receiving a voltage induced in a second signal line in response to the input pulse inputted; and a judging unit for judging whether or not a ratio between a voltage of the input pulse and the voltage induced in the second signal line is within a predetermined range. A check is made using a TDR method to determine whether or not the degree of coupling is within a range of specified values and a check is made to determine each of the voltage of the polarized RZ signal and the pulse width time is within a range of specified values to thereby inspect a printed board and a semiconductor chip constituting a bus using a directional coupler.
    • 印刷电路板检查装置包括:输入单元,用于输入来自第一信号线的脉冲; 接收单元,用于响应输入的输入脉冲接收在第二信号线中感应的电压; 以及判断单元,用于判断输入脉冲的电压与第二信号线中感应的电压之间的比率是否在预定范围内。 使用TDR方法进行检查,以确定耦合度是否在指定值的范围内,并且进行检查以确定极化RZ信号的每个电压,并且脉冲宽度时间在 从而使用定向耦合器检查构成总线的印刷电路板和半导体芯片。
    • 50. 发明授权
    • Design support apparatus for circuit including directional coupler, design support tool, method of designing circuit, and circuit board
    • 包括定向耦合器,设计支持工具,电路设计方法和电路板在内的电路设计支持设备
    • US06829749B2
    • 2004-12-07
    • US10214126
    • 2002-08-08
    • Hideki OsakaToyohiko Komatsu
    • Hideki OsakaToyohiko Komatsu
    • G06F1750
    • H01P5/185G06F17/5036G06F17/5068H01P5/187H05K1/0239H05K3/0005
    • The number of steps for preparing a layout diagram of a circuit including a coupler, which is formed by arranging a main line and a stub line in parallel with each other, is reduced. A circuit diagram editor 1902 arranges a coupler symbol 100 stored in a component symbol storage section 1904 when the coupler is arranged in preparing a circuit diagram. A layout section 1935 of a layout diagram editor 1922 layouts two wirings constituting the coupler by use of circuit diagram information and coupler information in which a coupler length and a coupler interval are defined. An object extraction section 1937 of a wiring check section 1936 extracts components and wirings from the layout diagram, and passes these to a wiring checker 1938. At this time, the coupler is passed to the wiring checker as one component that cannot be decomposed no more. Therefore, an interval between two wirings constituting the coupler is not checked.
    • 减少了通过将主线和短线布置成彼此平行而形成的包括耦合器的电路布局图的步骤数。 当制造电路图时,电路图编辑器1902布置存储在元件符号存储部分1904中的耦合器符号100。 布局图编辑器1922的布局部分1935通过使用其中限定了耦合器长度和耦合器间隔的电路图信息和耦合器信息来布置构成耦合器的两个布线。 布线检查部1936的物体提取部1937从布局图中提取部件和布线,并将其传递到布线检查器1938.此时,耦合器作为不能分解的一个部件被传递到布线检查器 。 因此,不检查构成耦合器的两条布线之间的间隔。