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    • 21. 发明申请
    • DIFFERENTIAL TRANSMISSION LINE
    • 差分传输线
    • US20080266019A1
    • 2008-10-30
    • US12108739
    • 2008-04-24
    • Hirotsugu FusayasuSeiji HamadaShinichi TanimotoRyo Matsubara
    • Hirotsugu FusayasuSeiji HamadaShinichi TanimotoRyo Matsubara
    • H04B3/28
    • H04B3/34H01L2224/48137H01L2224/49175H01L2924/3011H04L25/0272H05K1/0245H05K1/0248H05K1/0298H05K2201/09236H05K2201/09672H01L2924/00
    • A differential transmission line that has three or more signal lines and with which there is little unwanted radiation noise is provided. The differential transmission line 2 is provided with three signal lines 2a, 2b, and 2c that transmit differential signals from a differential driver IC1 to a differential receiver IC3, and the majority of the signal lines 2a, 2b, and 2c is provided in conductor layers T2 and T3 of a printed circuit board 4. The signal lines 2a, 2b, and 2c are provided with a signal line parallel segment, a signal line route length adjustment segment that is on the differential driver IC1 side and that connects from differential signal output terminals 1Ea, 1Eb, and 1Ec in the differential driver IC1 to the signal line parallel segment, and a signal line route length adjustment segment that is on the differential receiver IC3 side and that connects from the signal line parallel segment to differential signal input terminals in the differential receiver IC3, wherein the signal lines 2a, 2b, and 2c are formed such that their signal line route length adjustment segments on the differential driver IC1 side are equal in length to one another.
    • 提供具有三条或更多条信号线并且几乎不存在不需要的辐射噪声的差分传输线。 差分传输线2设置有将差分信号从差分驱动器IC 1发送到差分接收器IC 3的三条信号线2a,2b和2c,并且大部分信号线2a,2b, 2c设置在印刷电路板4的导体层T 2和T 3中。信号线2a,2b和2c设置有信号线并行段,信号线路径长度调节段, 在差分驱动器IC1侧并且差分驱动器IC1中的差分信号输出端子1Ea,1Eb和1 Ec连接到信号线并行段,以及在差分驱动器IC 1侧上的信号线路径长度调节段 接收器IC 3侧,并且从信号线并行段连接到差分接收器IC 3中的差分信号输入端子,其中信号线2a,2b和2c形成为使得它们的信号线路径长度调节段在 差异 租用驾驶员IC 1侧的长度相等。
    • 22. 发明申请
    • Method for checking return path of printed board and cad apparatus for designing patterns of printed board
    • 检查印刷电路板返回路径和印刷电路板设计方法
    • US20070044062A1
    • 2007-02-22
    • US10555762
    • 2005-02-03
    • Hirotsugu FusayasuSeiji HamadaShoichi MimuraMiyoko Irikiin
    • Hirotsugu FusayasuSeiji HamadaShoichi MimuraMiyoko Irikiin
    • G06F17/50
    • G06F17/5077H05K1/0219H05K3/0005
    • A CAD apparatus for designing patterns of a printed board, includes: a signal wiring pattern detecting unit 22 for detecting a signal wiring pattern with reference to wiring information of the printed board; a guard ground detecting unit 23 for tracing the signal wiring pattern along the longitudinal direction thereof, to detect whether or not a guard ground exists within a distance from the signal wiring pattern to a predetermined first discriminant value GL, and for identifying a non-guard ground section in which no guard ground exists within the distance to the first discriminant value GL, and for detecting whether or not a guard ground exists within another distance from the signal wiring pattern to a second discriminant value GU, which is larger than the first discriminant value GL, in the non-guard ground section; and a return path judging unit 25 for judging an error of guard ground when no guard ground exists within the distance to the second discriminant value GU in the non-guard ground section, thereby quickly checking a return path without mistake.
    • 一种用于设计印刷电路板图案的CAD装置,包括:信号布线图案检测单元22,用于根据印刷板的布线信息检测信号布线图形; 用于沿着其纵向跟踪信号布线图案的防护接地检测单元23,用于检测在距离信号布线图案至预定的第一判别值GL的距离内是否存在保护地,并且用于识别非保护 在距第一判别式GL的距离内不存在保护地的接地部分,并且用于检测保护地面是否存在于距信号布线图案的另一距离内的第二判别式GU大于第一判别式 无保护地面部分的GL值; 以及返回路径判断单元25,用于在无保护接地部分中与第二判别值GU的距离内没有保护地面的情况下判断防护地面的误差,从而快速地检查返回路径而没有错误。
    • 24. 发明授权
    • Information collection apparatus, search engine, information collection method, and program
    • 信息收集设备,搜索引擎,信息收集方法和程序
    • US08676782B2
    • 2014-03-18
    • US13003875
    • 2009-08-14
    • Seiji HamadaMakoto Yamamoto
    • Seiji HamadaMakoto Yamamoto
    • G06F17/30
    • G06F17/30864
    • The present invention provides an information collection apparatus, an information collection method, and a program capable of collecting information from information resources on a network effectively as well as a search engine that searches the information resources collected. An information collection apparatus of the present invention that collects information from information resources on a network includes an extraction unit that acquires data from an information resource via the network to extract a link-destination address included in the data, a calculation unit that calculates, by comparing each link-destination address with a collection rule describing a set of addresses qualified for a collection target, a score for each link-destination address that reflects a distance from the set to a link-destination information resource indicated by the link-destination address, and a judgment unit that judges whether the link-destination information resource is to be included in the collection target or not in accordance with the score calculated for the link-destination information resource.
    • 本发明提供一种能够有效地从网络上的信息资源收集信息的信息收集装置,信息收集方法和程序,以及搜索所收集的信息资源的搜索引擎。 从网络上的信息资源收集信息的本发明的信息收集装置包括提取单元,其经由网络从信息资源获取数据,提取数据中包含的链接目的地地址,计算单元, 将每个链接目的地地址与描述对于收集目标进行限定的一组地址的收集规则进行比较,每个链接目的地地址的得分,其反映从该链路到链路目的地信息资源指示的链路目的地信息资源的距离 以及判断单元,根据针对链接目的地信息资源计算出的得分,判定链接目的地信息资源是否包含在收集对象中。
    • 25. 发明授权
    • Signal transmission system for transmitting transmission signals via a transmission line including transmission conductors
    • 用于经由包括传输导体的传输线传输传输信号的信号传输系统
    • US08259838B2
    • 2012-09-04
    • US12513009
    • 2007-10-03
    • Shin-ichi TanimotoSeiji HamadaHirotsugu FusayasuRyo Matsubara
    • Shin-ichi TanimotoSeiji HamadaHirotsugu FusayasuRyo Matsubara
    • H04L27/18
    • H04L25/0272
    • A signal transmitter apparatus generates three phase-shifted signals by shifting three transmission signals by predetermined phase shift amounts so that the phase shift amounts of the transmission signals are different from each other by 120 degrees. The signal transmitter apparatus generates three combined transmission signals and outputs the three combined transmission signals to the three transmission conductors, respectively, by combining each of pairs of the phase-shifted signals such that an inverted signal of a first phase-shifted signal is combined with a second phase-shifted signal, when each of the pairs of the phase-shifted signals includes the first and second phase-shifted signals among the three phase-shifted signals and phase shift amounts of the first and second phase-shifted signals are different from each other by 120 degrees. The signal receiver apparatus generates three receiving signals based on received three combined transmission signals, and detects the decoded signals of the transmission signals based on the receiving signals.
    • 信号发送装置通过将三个发送信号移动预定的相移量来产生三个相移信号,使得发送信号的相移量彼此相差120度。 信号发送装置生成三个组合的发送信号,并通过组合各对的相移信号,将三个组合的发送信号分别输出到三个发送导体,使得第一相移信号的反相信号与 第二相移信号,当三个相移信号中的每一对包括三个相移信号中的第一和第二相移信号时,第一和第二相移信号的相移量不同于 彼此相差120度。 信号接收装置基于接收到的三个组合发送信号生成三个接收信号,并且基于接收信号检测发送信号的解码信号。
    • 26. 发明授权
    • Plasma display panel display device
    • 等离子显示面板显示装置
    • US08077121B2
    • 2011-12-13
    • US12327160
    • 2008-12-03
    • Kei IchikawaHirotsugu FusayasuHiroshi KunimotoSeiji HamadaRyo Matsubara
    • Kei IchikawaHirotsugu FusayasuHiroshi KunimotoSeiji HamadaRyo Matsubara
    • G09G3/34
    • G09G3/296G09G2330/06H01J11/44H01J2211/446
    • The present invention sufficiently reduces unwanted radiation in a plasma display panel (PDP) display device. The display device includes a PDP having a pair of electrodes, a first, a second, and a third conductive member, and a pair of driving circuits used to apply a voltage to their respective electrodes. Each conductive member has substantially the same width and height as the PDP, and the first, second, third conductive members are disposed on the rear surface of the PDP, in this order on the rear side of the PDP. The PDP and the conductive members are connected electrically to one another in the end portions of these elements, either directly or via the driving circuits, so that the direction of the current flowing in the PDP during driving and discharge coincides with the direction of the current flowing in the third conductive member, and is opposite from the direction of the current flowing in the first conductive member and the second conductive member.
    • 本发明足以减少等离子体显示面板(PDP)显示装置中的不需要的辐射。 显示装置包括具有一对电极,第一,第二和第三导电构件的PDP和用于向其各自的电极施加电压的一对驱动电路。 每个导电构件具有与PDP基本上相同的宽度和高度,并且第一,第二,第三导电构件以PDP的后侧依次设置在PDP的后表面上。 PDP和导电构件在这些元件的端部中直接或经由驱动电路彼此电连接,使得在驱动和放电期间在PDP中流动的电流的方向与电流的方向一致 在第三导电构件中流动,并且与在第一导电构件和第二导电构件中流动的电流的方向相反。
    • 27. 发明授权
    • Differential transmission line connector
    • 差动传输线连接器
    • US08027391B2
    • 2011-09-27
    • US12147274
    • 2008-06-26
    • Ryo MatsubaraHirotsugu FusayasuShinichi TanimotoSeiji Hamada
    • Ryo MatsubaraHirotsugu FusayasuShinichi TanimotoSeiji Hamada
    • H04B3/00
    • H04L25/0272H01R13/6461H01R13/6477
    • A differential transmission line connector with little unwanted radiation noise is provided. A connector connects a differential transmission pattern for multiple transmission of a group of three differential signals and a differential transmission cable. The differential transmission pattern is provided with three signal lines, and the differential transmission cable also is provided with three signal lines. In a plane that is perpendicular to the longitudinal direction of the differential transmission pattern and the differential transmission cable, the signal lines are positioned at the apexes of an equilateral triangle. The connector is provided with three signal lines that connect, at identical lengths, the signal lines of the differential transmission pattern and the signal lines of the differential transmission cable, between a predetermined first plane of the planes that perpendicularly intersect the longitudinal direction of the differential transmission pattern and a predetermined second plane of the planes that perpendicularly intersect the longitudinal direction of the differential transmission cable.
    • 提供了一种不需要辐射噪声的差分传输线连接器。 连接器连接用于一组三个差分信号的多个传输的差分传输模式和差分传输电缆。 差分传输模式设有三条信号线,差分传输电缆也设有三条信号线。 在与差动传输模式的纵向垂直的平面和差动传输电缆中,信号线位于等边三角形的顶点。 连接器设有三条信号线,它们以相同的长度将差分传输图案的信号线和差分传输电缆的信号线连接在垂直于差分的纵向方向的平面的预定的第一平面之间 透射图案和与差动传输电缆的纵向方向垂直相交的平面的预定第二平面。
    • 29. 发明授权
    • Radio base station
    • 无线电基站
    • US07986620B2
    • 2011-07-26
    • US11176559
    • 2005-07-08
    • Seiji Hamada
    • Seiji Hamada
    • G01R31/08
    • H04B1/7113H04B2201/7071H04L1/0026H04L1/16
    • To improve accuracy for verifying reception in the data transmission utilizing the common channel. A radio communication apparatus for transmitting the data to the transmitting destination apparatus selected from a plurality of transmitting destination apparatuses using the shared channel, comprises a control unit for controlling data transmission and a path search unit for identifying the transmitting destination apparatus as the object of the path search in accordance with control of data transmission.
    • 提高使用公共通道的数据传输中验证接收的准确性。 一种无线电通信装置,用于使用共享信道将数据发送到从多个发送目的地装置中选择的发送目的地装置,包括用于控制数据发送的控制单元和用于将发送目的地装置识别为所述发送目的地装置的路径搜索单元 路径搜索按照数据传输的控制。
    • 30. 发明申请
    • MULTIPLE DIFFERENTIAL TRANSMISSION SYSTEM
    • 多重差分传输系统
    • US20090195699A1
    • 2009-08-06
    • US12160297
    • 2007-04-25
    • Seiji HamadaHirotsugu FusayasuShin-ichi TanimotoRyo Matsubara
    • Seiji HamadaHirotsugu FusayasuShin-ichi TanimotoRyo Matsubara
    • H04N7/00
    • H04L25/0272H04L7/033H04L25/085
    • In a signal transmitter for a multiple differential transmission system including a signal transmitter and a signal receiver connected via three signal lines, first and second differential drivers generate first and second output signals of bipolar four values and having a first signal voltage level, and inverted first and second output signals, responsive to first and second bit information signals. A third differential driver generates a third output signal of bipolar four values having a second signal voltage level, and an inverted third output signal, responsive to a third bit information signal. The first output signal and the inverted third output signal are combined and transmitted to the first signal line, the second output signal and the inverted first output signal are combined and transmitted to the second signal line, and the third output signal and the inverted second output signal are combined and transmitted to the third signal line.
    • 在包括通过三条信号线连接的信号发射机和信号接收机的多差分传输系统的信号发射机中,第一和第二差分驱动器产生双极四极值的第一和第二输出信号并具有第一信号电压电平, 以及响应于第一和第二位信息信号的第二输出信号。 第三差分驱动器响应于第三位信息信号产生具有第二信号电压电平的双极四极值的第三输出信号和反相的第三输出信号。 第一输出信号和反相第三输出信号被组合并传输到第一信号线,第二输出信号和反相第一输出信号被组合并传输到第二信号线,第三输出信号和反相第二输出 信号被组合并传输到第三信号线。