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25 条记录 (耗时 0.024 秒)

    Data interpolating system
    1.
    发明授权
    Data interpolating system 失效
    数据插值系统

    公开(公告)号：US06748409B1

    公开(公告)日：2004-06-08

    申请号：US09601007

    申请日：2000-09-08

    申请人： Kazuo Toraichi ,  Kouichi Wada

    发明人： Kazuo Toraichi ,  Kouichi Wada

    IPC分类号： G06F1717

    CPC分类号： G06T3/4007

    摘要： A data interpolating system by which the operating quantity can be decreased and no truncation error is produced. A data processor comprises a discrete value extracting section 10, a sampling function operating section 20, and a convolution operating section 30 so as to perform interpolation between discrete values. The discrete value extracting section 10 extracts just previous four value from successively inputted discrete data, and the sampling function operating section 20 calculates, when the data interpolating position is specified, the value of the interpolating position based on the distances between the data interpolating position and the discrete values by using a sampling function of local support which can be differentiated only once over the whole region. The convolution operating section 30 multiplies the values of the four sampling functions by the discrete values, and adds up the products, thus performing convolution operation and outputting the interpolation value.

    摘要翻译： 可以减少操作量并且不产生截断误差的数据内插系统。 数据处理器包括离散值提取部分10，采样函数运算部分20和卷积运算部分30，以便执行离散值之间的内插。 离散值提取部分10从连续输入的离散数据中提取刚刚的前四个值，并且采样函数运算部20在指定数据内插位置时，基于数据插入位置与数据插值位置之间的距离，计算内插位置的值 通过使用本地支持的采样功能，可以在整个区域上仅区分一次的离散值。 卷积运算部30将四个采样函数的值乘以离散值，将乘积相加，进行卷积运算并输出插值。

    Digital to analog converter using B spline function
    2.
    发明授权
    Digital to analog converter using B spline function 失效
    使用B样条函数的数模转换器

    公开(公告)号：US06639535B1

    公开(公告)日：2003-10-28

    申请号：US09623073

    申请日：2000-10-25

    申请人： Kazuo Toraichi ,  Kouichi Wada

    发明人： Kazuo Toraichi ,  Kouichi Wada

    IPC分类号： H03M166

    CPC分类号： H03M1/66

    摘要： A digital-analog converter for producing less distorted output waveforms without the need for an increase in the operating speed of components. A D/A converter 1 comprises a memory 10, an address counter 12, a B spline function generation circuit 14, four sampling function generation circuits 16, three delay circuits 18, four amplifiers 20, and three adding circuits 22, 24 and 26. Four items of digital data supplied one after another in the predetermined time interval T are stored in the memory 10. The gain of each of the four amplifiers 20 is set according to the corresponding digital data. The four sampling function generation circuits 16 generate signal waveforms of the sampling function, which appear individually in points a time T away from one another. The signal waveforms are amplified in the amplifier 20 and added to produce an analog signal associated with the interpolation value.

    摘要翻译： 数字模拟转换器，用于产生较小失真的输出波形，而不需要增加组件的运行速度。 AD / A转换器1包括存储器10，地址计数器12，B样条函数产生电路14，四个采样函数产生电路16，三个延迟电路18，四个放大器20和三个加法电路22,24和26。 在预定时间间隔T中一个接一个地提供的数字数据的项目被存储在存储器10中。四个放大器20中的每个的增益根据相应的数字数据被设置。 四个采样函数发生电路16产生采样功能的信号波形，它们以时间T彼此分开出现。 信号波形在放大器20中放大并相加以产生与内插值相关联的模拟信号。

    Sampling function generator
    3.
    发明授权
    Sampling function generator 失效
    采样函数发生器

    公开(公告)号：US06392398B1

    公开(公告)日：2002-05-21

    申请号：US09623074

    申请日：2000-10-13

    申请人： Kazuo Toraichi ,  Kouichi Wada

    发明人： Kazuo Toraichi ,  Kouichi Wada

    IPC分类号： G01R2300

    CPC分类号： G06F17/10 ,  G06F17/17

    摘要： A sampling function generator capable of providing continuous output corresponding to a sampling function. The sampling function generator 1 comprises a B spline function generation circuit 10, delay circuits 12 and 14, inverting amplifiers 16 and 18, and adding circuits 20 and 22. The B-spline function generation circuit 10 continuously produces signal waveforms according to a third order B spline function. After delayed by predetermined time or attenuated to 1/4 amplitude and inverted, the signal waveforms are combined in the adding circuits 20 and 22 to form a signal waveforms of a sampling function that is differentiable once over the range and has values of local support.

    摘要翻译： 一种能够提供对应于采样功能的连续输出的采样函数发生器。 采样函数发生器1包括B样条函数产生电路10，延迟电路12和14，反相放大器16和18以及加法电路20和22.B样条函数产生电路10根据三阶连续产生信号波形 B样条函数。 在延迟预定时间或衰减到1/4幅度并反相之后，信号波形在加法电路20和22中组合，以形成可在一定范围内可微分并具有局部支持值的采样函数的信号波形。

    Probe card for testing an integrated circuit
    9.
    发明授权
    Probe card for testing an integrated circuit 失效
    用于测试集成电路的探针卡

    公开(公告)号：US06809539B2

    公开(公告)日：2004-10-26

    申请号：US10031823

    申请日：2002-06-13

    申请人： Kouichi Wada ,  Takehisa Takoshima ,  Akira Shimokohbe ,  Seiichi Hata

    发明人： Kouichi Wada ,  Takehisa Takoshima ,  Akira Shimokohbe ,  Seiichi Hata

    IPC分类号： G01R3102

    CPC分类号： G01R1/06755 ,  G01R1/06727 ,  G01R1/06744 ,  G01R1/06772 ,  G01R1/07342 ,  G01R3/00

    摘要： A probe card transmits high frequency signals between an integrated circuit under test and a semiconductor-testing device. The probe card includes a substrate, a signal transmission path formed on the substrate, a contactor formed on an end portion of the signal transmission path on one side of the substrate, a grounding conductor grounded, and a hole. The contactor is made of a metallic glass material, which shows a nature of viscous fluidity in the supercooled liquid region. The contactor is separated from the substrate over the hole. The contactor elastically contacts a pad of the circuit under test.

    摘要翻译： 探针卡在被测集成电路和半导体测试装置之间传输高频信号。 探针卡包括基板，形成在基板上的信号传输路径，形成在基板一侧的信号传输路径的端部上的接触器，接地导体和孔。 接触器由金属玻璃材料制成，其表现出过冷液体区域中粘性流动性的特性。 接触器与孔上的基板分离。 接触器弹性地接触被测电路的焊盘。

    Process for producing a surface-blackened steel sheet
    10.
    发明授权
    Process for producing a surface-blackened steel sheet 失效
    表面黑化钢板的制造方法

    公开(公告)号：US5032236A

    公开(公告)日：1991-07-16

    申请号：US541733

    申请日：1990-06-21

    申请人： Katsushi Saitou ,  Yuujirou Miyauchi ,  Kazumi Shibata ,  Kouichi Wada

    发明人： Katsushi Saitou ,  Yuujirou Miyauchi ,  Kazumi Shibata ,  Kouichi Wada

    IPC分类号： C25D11/38 ,  C23C22/24 ,  C23C28/02 ,  C25D3/56 ,  C25D5/48 ,  C25D9/08 ,  C25D9/10 ,  C25D15/00

    CPC分类号： C25D9/10

    摘要： A surface-blackened steel sheet is produced by electrolyzing a steel sheet at a cathode in an acidic aqueous solution containing Zn.sup.2+, at least one of Fe.sup.2+, Co.sup.2+ and Ni.sup.2+, a film-improving ion consisting of at least one member selected from the group consisting of Cr.sup.3+, Fe.sup.2+, Pb.sup.2+, In.sup.2+, Ag.sup.2+, Sn.sup.2+, Ti.sup.2+, Al.sup.3+, Cu.sup.2+, Mo.sup.6+, V.sup.3+, V.sup.6+, Mn.sup.2+, Mn.sup.4+, Mn.sup.6+, Bi.sup.2+, sulfite ion, thiosulfate ion, thiocyanate ion, sulfamate ion and sulfonate ion, an oxidizing ion and an organic hydroxy-compound as main components, thereby forming a black film on the steel sheet, followed by water washing, a chromate treatment, if required, and coating with a guard coat.

    摘要翻译： 通过在含有Zn2 +，Fe2 +，Co2 +和Ni2 +中的至少一种的酸性水溶液中阴极电解钢板来制造表面黑化钢板，由至少一种选自以下的组分构成的膜改性离子： 的Cr3 +，Fe2 +，Pb2 +，In2 +，Ag2 +，Sn2 +，Ti2 +，Al3 +，Cu2 +，Mo6 +，V3 +，V6 +，Mn2 +，Mn4 +，Mn6 +，Bi2 +，亚硫酸根离子，硫代硫酸根离子，硫氰酸根离子，氨基磺酸根离子和磺酸根离子， 离子和有机羟基化合物作为主要成分，从而在钢板上形成黑色膜，随后进行水洗，铬酸盐处理，如果需要，并用防护涂层涂覆。