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    • 21. 发明申请
    • Common mode radiation inhibit circuit and electronic equipment
    • 共模辐射抑制电路和电子设备
    • US20060119449A1
    • 2006-06-08
    • US11294031
    • 2005-12-05
    • Hirotsugu FusayasuShin-ichi TanimotoSeiji HamadaRyo Matsubara
    • Hirotsugu FusayasuShin-ichi TanimotoSeiji HamadaRyo Matsubara
    • H04B3/28
    • H04B3/28
    • To provide a common mode radiation inhibit circuit for a differential transmission line which can inhibit quadratic common mode radiation by ensuring a continuity of grand level at a point of change of a signal grand, including a differential transmission line which is constituted of a pair of signal wiring, and transmits differential signals, signal grounds which are arranged along the differential transmission line, and each have a change point on its way, a transformer, and a reference ground, wherein a primary side of the transformer is connected between an electric midpoint of the pair of signal wiring, and the signal ground at one side of the front and back of the change point of the signal grounds, wherein the secondary side of the transformer is connected between the electric midpoint of the pair of signal wiring and the signal ground at another side of the front and back of the change point, and wherein the reference ground is connected to a point which becomes a neutral sheet of the primary side of the transformer and a point which becomes a neutral sheet of the secondary side of the transformer.
    • 为了提供一种用于差分传输线的共模辐射抑制电路,其可以通过确保在信号grand的变化点处的大电平的连续性来抑制二次共模辐射,包括由一对信号构成的差分传输线 布线,并且发送差分信号,沿着差动传输线布置的信号接地,并且每个具有在其路上的变化点,变压器和参考接地,其中变压器的初级侧连接在 信号线的一对信号线和信号接地的变化点的前后一侧的信号地,其中变压器的次级侧连接在一对信号线的电中点与信号地之间 在变化点的前后的另一侧,并且其中参考地连接到成为中性片的点 的变压器的初级侧和成为变压器的次级侧的中性片的点。
    • 23. 发明授权
    • Multiple differential transmission system including signal transmitter and signal receiver connected via three signal lines
    • 多路差分传输系统包括通过三条信号线连接的信号发射机和信号接收机
    • US07983347B2
    • 2011-07-19
    • US12092511
    • 2007-04-25
    • Seiji HamadaShin-ichi TanimotoHirotsugu Fusayasu
    • Seiji HamadaShin-ichi TanimotoHirotsugu Fusayasu
    • H04B14/06H04L25/06
    • H04L25/0272H04L25/085
    • In a signal transmitter for a multiple differential transmission system including the signal transmitter, a signal receiver, and a signal transmission path including first to third signal lines, first to third differential driver transmit first to third output signals and inverted first to third output signals from the first to third output signals responsive to first to third bit information signals, 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 third output signal are combined and transmitted to the first signal line. The first to third differential drivers of the signal receiver detect polarities of terminal voltages generated across terminal resistances connected between adjacent signal lines and output bit information signals.
    • 在包括信号发射机,信号接收机和包括第一至第三信号线的信号传输路径的多差分传输系统的信号发射机中,第一至第三差分驱动器将第一至第三输出信号和第一至第三输出信号从第 响应于第一至第三位信息信号的第一至第三输出信号,第一输出信号和反相第三输出信号被组合并发送到第一信号线,第二输出信号和反相第一输出信号被组合并发送到 第二信号线以及第三输出信号和反相的第三输出信号被组合并发送到第一信号线。 信号接收器的第一至第三差分驱动器检测在相邻信号线和输出位信息信号之间连接的端子电阻之间产生的端子电压的极性。
    • 24. 发明申请
    • WIRELESS BASE STATION APPARATUS, WIRELESS COMMUNICATION METHOD IN THE WIRELESS BASE STATION APPARATUS, AND WIRELESS COMMUNICATION SYSTEM
    • 无线基站装置,无线基站装置无线通信方法及无线通信系统
    • US20110159870A1
    • 2011-06-30
    • US12977265
    • 2010-12-23
    • Seiji Hamada
    • Seiji Hamada
    • H04W72/08
    • H04W72/0413H04W72/08
    • A wireless base station apparatus performing wireless communication with a mobile station apparatus includes: a transmission unit to transmit data to the mobile station apparatus; a reception unit to receive a delivery result for the data from the mobile station apparatus; and a control unit to determine whether reception processing through a first channel is performed or parallel reception processing through the first channel and a second channel is performed on the basis of a radio line quality between the wireless base station apparatus and the mobile station apparatus or an amount of processing in the reception unit if the transmission unit transmits a permission notification permitting the transmission through the first channel to the mobile station apparatus, where the reception unit performs the reception processing in accordance with the result of the determination to receive the delivery result transmitted through the first channel or the second channel.
    • 一种与移动站装置进行无线通信的无线基站装置,包括:发送单元,向所述移动站装置发送数据; 接收单元,用于接收来自移动站装置的数据的传送结果; 以及控制单元,用于基于无线基站装置与移动站装置之间的无线线路质量来确定是否执行通过第一信道的接收处理或者通过第一信道和第二信道进行并行接收处理,或者 如果发送单元发送允许通过第一信道发送的许可通知给接收单元,则接收单元中的处理量,其中接收单元根据接收传送结果的确定结果执行接收处理 通过第一通道或第二通道。
    • 26. 发明授权
    • Multiple differential transmission system including signal transmitter and signal receiver connected via three signal lines
    • 多路差分传输系统包括通过三条信号线连接的信号发射机和信号接收机
    • US07692563B2
    • 2010-04-06
    • US12160297
    • 2007-04-25
    • Seiji HamadaHirotsugu FusayasuShin-ichi TanimotoRyo Matsubara
    • Seiji HamadaHirotsugu FusayasuShin-ichi TanimotoRyo Matsubara
    • H03M5/02H04B3/28
    • 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。
    • 27. 发明授权
    • System and method for checking decoupling of power supply in printed wiring board
    • 检查印刷电路板电源脱扣的系统和方法
    • US07489139B2
    • 2009-02-10
    • US10557989
    • 2005-02-14
    • Seiji HamadaHirotsugu FusayasuShoichi MimuraMiyoko Irikiin
    • Seiji HamadaHirotsugu FusayasuShoichi MimuraMiyoko Irikiin
    • G01R31/00G01R31/02
    • G06F17/5081G06F17/5036
    • A checking unit includes a power net extractor for extracting a power net with power attribution, which is segmented by a power-decoupling element, with reference to circuit design data of a printed wiring board; a parts number extractor for extracting a parts number of an integrated circuit connected to the extracted power net; a parts headcount calculator for calculating a headcount of the extracted parts; a judging unit for comparing the extracted parts headcount with a predetermined reference value; and a representing unit for representing a name of the power net and the parts number of the integrated circuit as an unprocessed location of power decoupling when the headcount is larger than the reference value, thereby inspecting quickly whether a power supply in use, shared by each of the integrated circuits, is decoupled at higher frequencies by the power-decoupling element.
    • 检查单元包括:电源网提取器,用于参考印刷电路板的电路设计数据提取具有功率分配元件分段的功率归属的电网; 用于提取连接到所提取的电力网络的集成电路的零件号的零件号提取器; 用于计算提取部分的人数的部件人数计算器; 判断单元,用于将提取的部分人数与预定的参考值进行比较; 以及代表单元,用于在人数大于参考值时将电力网的名称和集成电路的部件号作为电源去耦的未处理位置,从而快速检查每个电力共享的使用中的电源 的集成电路通过电源解耦元件在较高频率下解耦。
    • 29. 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。
    • 30. 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。