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    • 1. 发明申请
    • 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
    • US20070052439A1
    • 2007-03-08
    • US10557989
    • 2005-02-14
    • Seiji HamadaHirotsugu FusayasuShoichi MimuraMiyoko Irikiin
    • Seiji HamadaHirotsugu FusayasuShoichi MimuraMiyoko Irikiin
    • G01R31/12G01R31/36
    • G06F17/5081G06F17/5036
    • A checking unit includes a power net extracting means for extracting a power net with power attribution, which is segmented by a power-decoupling element, with reference to circuit design data of the printed wiring board; a parts number extracting means for extracting a parts number of an integrated circuit which is connected to the extracted power net; a parts headcount calculating means for calculating a headcount of the extracted parts; a judging means for comparing the extracted parts headcount with a predetermined reference value; and a representing means 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, whereby inspecting quickly whether or not a power supply in use, which is 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装置,参考印刷电路板的电路设计数据,提取由功率分离元件分段的功率归属的电网; 零件号提取装置,用于提取连接到所提取的电力网的集成电路的零件号; 零件人数计算装置,用于计算提取部件的人数; 判断装置,用于将提取的部分人数与预定的参考值进行比较; 以及用于在人数大于参考值时将电力网名称和集成电路的部件号表示为电源去耦的未处理位置的代表装置,从而快速检查是否使用电源,其中 由每个集成电路共享,通过功率分离元件在较高频率上解耦。
    • 2. 发明授权
    • Method for checking return path of printed and CAD apparatus for designing patterns of printed board
    • 用于设计印刷电路板印刷和CAD设备返回路径的方法
    • US07409665B2
    • 2008-08-05
    • US10555762
    • 2005-02-03
    • Hirotsugu FusayasuSeiji HamadaShoichi MimuraMiyoko Irikiin
    • Hirotsugu FusayasuSeiji HamadaShoichi MimuraMiyoko Irikiin
    • G06F17/50
    • G06F17/5077H05K1/0219H05K3/0005
    • A CAD apparatus designing patterns of a printed board. The apparatus includes a signal wiring pattern detecting unit for detecting a signal wiring pattern, and a guard ground detecting unit for tracing the signal wiring pattern along the longitudinal direction thereof, in order to detect whether or not a guard ground exists within a distance from the signal wiring pattern to a predetermined first discriminant value, identify a non-guard ground section within the distance to the first discriminant value, and to detect whether or not a guard ground exists within another distance from the signal wiring pattern to a second discriminant value, which is larger than the first discriminant value. The apparatus also includes a return path judging unit for judging an error of guard ground when no guard ground exists within the distance to the second discriminant value, thereby quickly checking a return path without mistake.
    • 设计印刷电路板的CAD设备。 该装置包括用于检测信号布线图案的信号布线图案检测单元和用于沿着其纵向方向跟踪信号布线图案的保护接地检测单元,以便检测在距离该布线图案的距离内的保护地面是否存在 信号线路图形到预定的第一判别值,识别距离第一判别值的距离内的非保护接地部分,并且检测在从信号布线图案到第二判别值的另一距离内是否存在防护地面, 其大于第一判别式值。 该装置还包括返回路径判断单元,用于在距离第二判别值的距离内不存在保护地时判断防护地的误差,从而快速地检查返回路径而没有错误。
    • 3. 发明申请
    • Element arrangement check device and printed circuit board design system
    • 元件布置检查装置和印刷电路板设计系统
    • US20060288317A1
    • 2006-12-21
    • US10556892
    • 2005-02-14
    • Seiji HamadaHirotsugu FusayasuShoichi MimuraMiyoko Irikiin
    • Seiji HamadaHirotsugu FusayasuShoichi MimuraMiyoko Irikiin
    • G06F17/50
    • G06F17/5036G06F17/5081
    • An element placement check system for checking element placement on a printed wiring board having wiring by which a power supply terminal of an integrated circuit and a power supply decoupling element for the power supply terminal are connected on a mounting surface on which the integrated circuit is mounted, wherein the wiring is connected to a power supply plane for providing a direct current power supply to the power supply terminal through a power supply via hole, including: element distance detecting means detecting a first wire length between the power supply decoupling element and the power supply terminal; power supply via hole distance detecting means detecting a second wire length between the power supply via hole and the power supply terminal; and determination means determining a positional relationship of the power supply decoupling element and the power supply via hole to the power supply terminal based on the first and second wire lengths, thereby providing a check system and a printed wiring board design system capable of checking a connection sequence of a power supply decoupling element such as a bypass capacitor and the power supply via hole connected to the power supply plane feeding a direct current power supply to the power supply terminal as viewed from the power supply terminal of an integrated circuit.
    • 一种元件放置检查系统,用于检查具有布线的印刷线路板上的元件放置,集成电路的电源端子和用于电源端子的电源去耦元件通过该布线连接在其上安装有集成电路的安装表面上 其中,所述布线连接到电源平面,用于通过电源通孔向所述电源端子提供直流电源,所述电源通孔包括:元件距离检测装置,用于检测所述电源去耦元件和所述电源之间的第一线长度 供应终端; 电源通孔距离检测装置,用于检测电源通孔和电源端之间的第二电线长度; 以及确定装置,基于所述第一和第二线长度,确定所述电源去耦元件和所述电源通孔与所述电源端子的位置关系,从而提供能够检查连接的检查系统和印刷线路板设计系统 电源去耦元件如旁路电容器的顺序和连接到电源平面的电源通孔,从集成电路的电源端子观察,向电源端子馈送直流电源。
    • 4. 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。
    • 5. 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。
    • 8. 发明授权
    • Element arrangement check device and printed circuit board design device
    • 元件排列检查装置和印刷电路板设计装置
    • US07353483B2
    • 2008-04-01
    • US10556892
    • 2005-02-14
    • Seiji HamadaHirotsugu FusayasuShoichi MimuraMiyoko Irikiin
    • Seiji HamadaHirotsugu FusayasuShoichi MimuraMiyoko Irikiin
    • G06F17/50G06F9/45
    • G06F17/5036G06F17/5081
    • An element placement check system for checking element placement on a printed wiring board having wiring by which a power supply terminal of an integrated circuit and a power supply decoupling element for the power supply terminal are connected on a mounting surface on which the integrated circuit is mounted, wherein the wiring is connected to a power supply plane for providing a direct current power supply to the power supply terminal through a power supply via hole, including: element distance detecting means detecting a first wire length between the power supply decoupling element and the power supply terminal; power supply via hole distance detecting means detecting a second wire length between the power supply via hole and the power supply terminal; and determination means determining a positional relationship of the power supply decoupling element and the power supply via hole to the power supply terminal based on the first and second wire lengths, thereby providing a check system and a printed wiring board design system capable of checking a connection sequence of a power supply decoupling element such as a bypass capacitor and the power supply via hole connected to the power supply plane feeding a direct current power supply to the power supply terminal as viewed from the power supply terminal of an integrated circuit.
    • 一种元件放置检查系统,用于检查具有布线的印刷线路板上的元件放置,集成电路的电源端子和用于电源端子的电源去耦元件通过该布线连接在其上安装有集成电路的安装表面上 其中,所述布线连接到电源平面,用于通过电源通孔向所述电源端子提供直流电源,所述电源通孔包括:元件距离检测装置,用于检测所述电源去耦元件和所述电源之间的第一线长度 供应终端; 电源通孔距离检测装置,用于检测电源通孔和电源端之间的第二电线长度; 以及确定装置,基于所述第一和第二线长度,确定所述电源去耦元件和所述电源通孔与所述电源端子的位置关系,从而提供能够检查连接的检查系统和印刷线路板设计系统 电源去耦元件如旁路电容器的顺序和连接到电源平面的电源通孔,从集成电路的电源端子观察,向电源端子馈送直流电源。