公开(公告)号：US08243995B2

公开(公告)日：2012-08-14

申请号：US12591843

申请日：2009-12-02

申请人： Daita Tsubamoto ,  Masaki Tosaka ,  Shogo Fujimori

发明人： Daita Tsubamoto ,  Masaki Tosaka ,  Shogo Fujimori

IPC分类号： G06K9/00

CPC分类号： G01R31/31711 ,  G01R31/31708

摘要： A center location of an eye pattern generated by superimposing waveform signal pieces cut out from a waveform signal generated by a simulator is calculated, and an arrangement of a mask as a quality evaluation criterion of the eye pattern on the center location is envisaged to calculate time coordinate values and voltage coordinate values of feature points included in the mask. First feature points not on a time axis is set as processing objects, and a margin in the voltage axis direction is calculated based on the voltage coordinate values of the first feature points and the voltage coordinate values of waveform signal piece parts associated with the first feature points. Second feature points on the time axis is set as processing objects, and a margin in the time axis direction is calculated based on the time coordinate values of the second feature points and the time coordinate values of waveform signal piece parts associated with the second feature points.

摘要翻译： 计算通过叠加由模拟器产生的波形信号切出的波形信号片而生成的眼图的中心位置，并且设想将作为眼图的质量评估准则​​的掩模作为中心位置的布置来计算时间 掩模中包含的特征点的坐标值和电压坐标值。 将不在时间轴上的第一特征点设置为处理对象，并且基于第一特征点的电压坐标值和与第一特征相关联的波形信号片部分的电压坐标值计算电压轴方向上的余量 积分 将时间轴上的第二特征点设置为处理对象，并且基于第二特征点的时间坐标值和与第二特征点相关联的波形信号片段的时间坐标值来计算时间轴方向上的余量 。

公开(公告)号：US20100080421A1

公开(公告)日：2010-04-01

申请号：US12591843

申请日：2009-12-02

申请人： Daita Tsubamoto ,  Masaki Tosaka ,  Shogo Fujimori

发明人： Daita Tsubamoto ,  Masaki Tosaka ,  Shogo Fujimori

IPC分类号： G06K9/00

CPC分类号： G01R31/31711 ,  G01R31/31708

摘要： A center location of an eye pattern generated by superimposing waveform signal pieces cut out from a waveform signal generated by a simulator is calculated, and an arrangement of a mask as a quality evaluation criterion of the eye pattern on the center location is envisaged to calculate time coordinate values and voltage coordinate values of feature points included in the mask. First feature points not on a time axis is set as processing objects, and a margin in the voltage axis direction is calculated based on the voltage coordinate values of the first feature points and the voltage coordinate values of waveform signal piece parts associated with the first feature points. Second feature points on the time axis is set as processing objects, and a margin in the time axis direction is calculated based on the time coordinate values of the second feature points and the time coordinate values of waveform signal piece parts associated with the second feature points.

摘要翻译： 计算通过叠加由模拟器产生的波形信号切出的波形信号片而生成的眼图的中心位置，并且设想将作为眼图的质量评估准则​​的掩模作为中心位置的布置来计算时间 掩模中包含的特征点的坐标值和电压坐标值。 将不在时间轴上的第一特征点设置为处理对象，并且基于第一特征点的电压坐标值和与第一特征相关联的波形信号片部分的电压坐标值计算电压轴方向上的余量 积分 将时间轴上的第二特征点设置为处理对象，并且基于第二特征点的时间坐标值和与第二特征点相关联的波形信号片段的时间坐标值来计算时间轴方向上的余量 。

公开(公告)号：US08402648B2

公开(公告)日：2013-03-26

申请号：US12364036

申请日：2009-02-02

申请人： Daita Tsubamoto ,  Hitoshi Yokemura ,  Masaki Tosaka

发明人： Daita Tsubamoto ,  Hitoshi Yokemura ,  Masaki Tosaka

IPC分类号： H01K3/10

CPC分类号： B23K26/106 ,  B23K2101/42 ,  H05K1/115 ,  H05K3/0088 ,  H05K3/027 ,  H05K3/043 ,  H05K3/26 ,  H05K3/423 ,  H05K3/429 ,  H05K3/4688 ,  H05K2201/0761 ,  H05K2201/096 ,  H05K2201/09645 ,  H05K2203/0257 ,  H05K2203/0746 ,  H05K2203/0763 ,  H05K2203/107 ,  H05K2203/1173 ,  H05K2203/175 ,  Y10T29/49117 ,  Y10T29/49155 ,  Y10T29/49165

摘要： A printed circuit board includes a through hole constituted by a hole penetrating through the front and rear surfaces of the printed circuit board. A fabrication method of the printed circuit board, includes applying conductive material plating to the inner wall surface of the hole to form a through hole electrically connecting the front and rear surfaces of the printed circuit board, and removing the conductive material plated on the hole inner wall surface at least at a portion between the front and rear surfaces of the printed circuit board is carried out to thereby fabricate a printed circuit board having a through hole electrically isolates the front surface of the printed circuit board from the rear surface thereof.

摘要翻译： 印刷电路板包括由穿过印刷电路板的前表面和后表面的孔构成的通孔。 一种印刷电路板的制造方法，包括将导电材料镀敷到孔的内壁表面，以形成电连接印刷电路板的前表面和后表面的通孔，以及去除镀在孔内部的导电材料 至少在印刷电路板的前表面和后表面之间的部分上的壁表面被进行，从而制造具有通孔的印刷电路板，将印刷电路板的前表面与其后表面电隔离。

公开(公告)号：US08000662B2

公开(公告)日：2011-08-16

申请号：US12186043

申请日：2008-08-05

申请人： Daita Tsubamoto ,  Makoto Suwada ,  Hitoshi Yokemura ,  Masaki Tosaka

发明人： Daita Tsubamoto ,  Makoto Suwada ,  Hitoshi Yokemura ,  Masaki Tosaka

IPC分类号： H04C1/62

CPC分类号： H04L25/03019 ,  H04L25/03885

摘要： A transmission characteristic adjustment device and the like that can carry out circuit adjustment before an error occurs, and has a transmission characteristic with high reliability without generating an error are provided.The device determines existence or non-existence of a difference with respect to confirmed data based on each phase of a multiphase clock, detects a window width in a time axis direction of receiving data based on a result of the determination and a phase of the multiphase clock, and evaluates a setting value of a circuit element of the transmission element or the reception element that has an influence on a receiving waveform based on a fluctuation of the detected window width, and changes the setting value of the circuit element of the transmission element or the reception element based on a result of the evaluation.

摘要翻译： 提供了可以在错误发生之前执行电路调整的传输特性调整装置等，并且具有高可靠性的传输特性而不产生错误。 该装置基于多相时钟的每个相位确定相对于确认数据的存在或不存在的差异，基于确定的结果和多相的相位来检测接收数据的时间轴方向上的窗口宽度 时钟，并且基于检测到的窗口宽度的波动来评估对接收波形具有影响的传输元件或接收元件的电路元件的设定值，并且改变传输元件的电路元件的设定值 或基于评估结果的接收元件。

公开(公告)号：US20100057389A1

公开(公告)日：2010-03-04

申请号：US12549826

申请日：2009-08-28

申请人： Daita Tsubamoto ,  Masaki Tosaka ,  Takashi Fukuda

发明人： Daita Tsubamoto ,  Masaki Tosaka ,  Takashi Fukuda

IPC分类号： G06F19/00 ,  G01R29/26

CPC分类号： H04B3/487

摘要： A signal transmission evaluating apparatus acquires cross talk ratio and type categorized by a relationship between the first transmission path and the second transmission path for each of the pins of the second transmission path. The apparatus computes an occupation ratio of the crosstalk for each of the types with respect to all of the crosstalk supplied to the first transmission path in the connector, and computes a noise source output in the second transmission path on the basis of the occupation ratio for each of the types of crosstalk. And the apparatus computes first transmission path loss and second transmission path loss on the basis of the occupation ratio for each of the types of crosstalk, and computes an amount of received noise of the first transmission path on the basis of the noise source output and the first transmission path loss and the second transmission path loss.

摘要翻译： 信号传输评估装置通过第二传输路径的每个引脚的第一传输路径和第二传输路径之间的关系来获取串扰比和类型。 该装置相对于提供给连接器中的第一传输路径的所有串扰来计算每种类型的串扰的占有率，并且基于占用率来计算第二传输路径中的噪声源输出 每种类型的串扰。 并且该装置基于每种类型的串扰的占用率来计算第一传输路径损耗和第二传输路径损耗，并且基于噪声源输出来计算第一传输路径的接收噪声量，并且 第一传输路径损耗和第二传输路径损耗。

公开(公告)号：US08219955B2

公开(公告)日：2012-07-10

申请号：US12574084

申请日：2009-10-06

申请人： Daita Tsubamoto ,  Hitoshi Yokemura ,  Hidenobu Shiihara ,  Kazukiyo Ogawa ,  Hisashi Aoyama ,  Masaki Tosaka

发明人： Daita Tsubamoto ,  Hitoshi Yokemura ,  Hidenobu Shiihara ,  Kazukiyo Ogawa ,  Hisashi Aoyama ,  Masaki Tosaka

IPC分类号： G06F17/50

CPC分类号： G06F17/5077 ,  H05K1/0231 ,  H05K3/0005

摘要： In order to make it possible to automatically execute a wiring process which satisfies not only a design condition but also design quality relating to an electric characteristic, according to the embodiment, an automatic wiring apparatus includes a design condition changing section for changing a design condition in accordance with priority information regarding the design condition where a wiring process which satisfies the design condition cannot be carried out by a first wiring processing section, a quality allowability decision section for deciding whether or not quality of a wiring region can be allowed where a wiring process which satisfies the design condition after the changing can be executed by a second wiring processing section and an outputting section for outputting a result of the wiring process of the wiring region by the second wiring processing section if it is decided that the quality of the wiring region can be allowed.

摘要翻译： 为了能够自动执行不仅满足设计条件而且满足与电气特性相关的设计质量的布线处理，所以根据本实施例，自动布线装置包括设计条件改变部分，用于改变设计条件 根据关于设计条件的优先级信息，其中满足设计条件的布线处理不能由第一布线处理部进行，质量允许判定部，用于判定布线处理是否允许布线区域的质量 如果确定布线区域的质量，则可以通过第二布线处理部分和输出部分执行改变之后满足设计条件的第二布线处理部分用于输出布线区域的布线处理结果的输出部分 可以允许。

公开(公告)号：US20090167452A1

公开(公告)日：2009-07-02

申请号：US12186043

申请日：2008-08-05

申请人： Daita TSUBAMOTO ,  Makoto Suwada ,  Hitoshi Yokemura ,  Masaki Tosaka

发明人： Daita TSUBAMOTO ,  Makoto Suwada ,  Hitoshi Yokemura ,  Masaki Tosaka

IPC分类号： H04B3/04

CPC分类号： H04L25/03019 ,  H04L25/03885

摘要： A transmission characteristic adjustment device and the like that can carry out circuit adjustment before an error occurs, and has a transmission characteristic with high reliability without generating an error are provided.The device determines existence or non-existence of a difference with respect to confirmed data based on each phase of a multiphase clock, detects a window width in a time axis direction of receiving data based on a result of the determination and a phase of the multiphase clock, and evaluates a setting value of a circuit element of the transmission element or the reception element that has an influence on a receiving waveform based on a fluctuation of the detected window width, and changes the setting value of the circuit element of the transmission element or the reception element based on a result of the evaluation.

摘要翻译： 提供了可以在错误发生之前执行电路调整的传输特性调整装置等，并且具有高可靠性的传输特性而不产生错误。 该装置基于多相时钟的每个相位确定相对于确认数据的存在或不存在的差异，基于确定的结果和多相的相位来检测接收数据的时间轴方向上的窗口宽度 时钟，并且基于检测到的窗口宽度的波动来评估对接收波形具有影响的传输元件或接收元件的电路元件的设定值，并且改变传输元件的电路元件的设定值 或基于评估结果的接收元件。

公开(公告)号：US07280953B2

公开(公告)日：2007-10-09

申请号：US09881732

申请日：2001-06-18

申请人： Shogo Fujimori ,  Yasuhiro Yamashita ,  Ryoji Yamada ,  Masaki Tosaka ,  Kazuhiko Tokuda ,  Jiro Yoneda ,  Makoto Suwada ,  Tatsuo Koizumi

发明人： Shogo Fujimori ,  Yasuhiro Yamashita ,  Ryoji Yamada ,  Masaki Tosaka ,  Kazuhiko Tokuda ,  Jiro Yoneda ,  Makoto Suwada ,  Tatsuo Koizumi

IPC分类号： G06F17/50

CPC分类号： G06F17/5036

摘要： A noise countermeasure determination method includes the step of obtaining an analyzing circuit judgement result by judging acceptability of the analyzing circuit based on a comparison of features of the analyzing circuit and transmission circuit topologies, and outputting an improvement proposal for making the analyzing circuit closer to one of basic types of the transmission circuit topologies depending on the analyzing circuit judgement result.

摘要翻译： 噪声对策确定方法包括以下步骤：通过基于分析电路的特征和传输电路拓扑结构的比较来判断分析电路的可接受性来获得分析电路判断结果，并输出使分析电路更接近于一个的改进方案 基于分析电路判断结果的传输电路拓扑的基本类型。

公开(公告)号：US07065480B2

公开(公告)日：2006-06-20

申请号：US09750051

申请日：2000-12-29

申请人： Shogo Fujimori ,  Yasuhiro Yamashita ,  Ryoji Yamada ,  Masaki Tosaka ,  Kazuhiko Tokuda ,  Jiro Yoneda ,  Makoto Suwada ,  Tatsuo Koizumi

发明人： Shogo Fujimori ,  Yasuhiro Yamashita ,  Ryoji Yamada ,  Masaki Tosaka ,  Kazuhiko Tokuda ,  Jiro Yoneda ,  Makoto Suwada ,  Tatsuo Koizumi

IPC分类号： G06F17/50

CPC分类号： G06F17/10

摘要： A noise countermeasure determination method includes the steps of calculating recommended circuit information considered to minimize a noise by use of at least one formula, based on input circuit information amounting to at least one net of a target circuit which is to be subjected to a noise analysis, and comparing the input circuit information and the recommended circuit information, and determining a differing portion of the recommended circuit information differing from the input circuit information, as noise countermeasures.

摘要翻译： 噪声对策确定方法包括以下步骤：基于输入电路信息计算所考虑的使噪声最小化的推荐电路信息，所述输入电路信息等于要进行噪声分析的目标电路的至少一个网络 比较输入电路信息和推荐电路信息，并将不同于输入电路信息的推荐电路信息的不同部分确定为噪声对策。

公开(公告)号：US06662132B2

公开(公告)日：2003-12-09

申请号：US09733076

申请日：2000-12-11

申请人： Yasuhiro Yamashita ,  Shogo Fujimori ,  Ryoji Yamada ,  Kazuhiko Tokuda ,  Makoto Suwada ,  Masaki Tosaka ,  Jiro Yoneda ,  Yoshiyuki Iwakura ,  Kazunari Gotou

发明人： Yasuhiro Yamashita ,  Shogo Fujimori ,  Ryoji Yamada ,  Kazuhiko Tokuda ,  Makoto Suwada ,  Masaki Tosaka ,  Jiro Yoneda ,  Yoshiyuki Iwakura ,  Kazunari Gotou

IPC分类号： G06F1750

CPC分类号： G01R31/30

摘要： A noise analyzing method analyzes a crosstalk noise based on circuit data in which buses having the same signal transmitting direction and buses having opposite signal transmitting directions are distinguished from each other, by analyzing the crosstalk noise only for the same signal transmitting direction with respect to the buses having the same signal transmitting direction.