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1. 发明授权

US06617864B2 High frequency probe for examining electric characteristics of devices 失效
标题翻译：用于检查设备电气特性的高频探头
公开(公告)号：US06617864B2
公开(公告)日：2003-09-09
申请号：US09739970
申请日：2000-12-20
申请人： Akira Inoue , Takayuki Katoh , Takeshi Aso , Naofumi Iwamoto , Takumi Suetsugu
发明人： Akira Inoue , Takayuki Katoh , Takeshi Aso , Naofumi Iwamoto , Takumi Suetsugu
IPC分类号： G01R3102
CPC分类号： G01R1/06772 , G01R1/06733 , G01R1/06766
摘要： A probe whose characteristic impedance can be accurately adjusted to a desired value with the production of a small number of prototypes. The probe includes a first line with a signal terminal to be connected to a signal electrode of a circuit to be measured and at least one first region connected to the signal terminal and to which one end of a chip capacitor is connected, a second line connected to a terminal of the first line and a junction to be connected to a measuring instrument at the remaining terminal, and an impedance matched to a characteristic impedance of the measuring instrument, a ground connector with a ground terminal to be connected to the ground electrode of the circuit to be measured, and at least one second region connected to the ground terminal and on which the remaining terminal of the chip capacitor is mounted in one-to-one correspondence with the first region. The impedance of the probe viewed from the circuit to be measured is provided by the chip capacitor mounted at specified positions within the first region and the second region.
摘要翻译：探头的特征阻抗可以通过少量原型的生产精确地调整到所需的值。探头包括具有要连接到待测电路的信号电极的信号端子的第一线路和连接到信号端子的至少一个第一区域，并且与芯片电容器的一端连接，第二线路连接连接到第一线路的端子和与其余端子上的测量仪器连接的接点以及与测量仪器的特性阻抗匹配的阻抗;接地端子的接地连接器，用于连接到接地电极的接地端子要测量的电路以及连接到接地端子的至少一个第二区域，其中片状电容器的剩余端子与第一区域一一对应地安装在该至少一个第二区域上。从要测量的电路观察的探头的阻抗由安装在第一区域和第二区域内的特定位置的芯片电容器提供。

2. 发明授权

US06229409B1 Surface acoustic wave matched filter 失效
标题翻译：表面声波匹配滤波器
公开(公告)号：US06229409B1
公开(公告)日：2001-05-08
申请号：US09203000
申请日：1999-03-18
申请人： Kazuo Tsubouchi , Michio Yokoyama , Shuichi Tomabechi , Takumi Suetsugu , Yuichiro Imanishi , Tomohiko Shibata
发明人： Kazuo Tsubouchi , Michio Yokoyama , Shuichi Tomabechi , Takumi Suetsugu , Yuichiro Imanishi , Tomohiko Shibata
IPC分类号： H03H964
CPC分类号： H03H9/6406
摘要： An output side electrode of a surface acoustic wave matched filter with portions having different delay times between taps. The output side electrode may be provided by arranging parallelly a plurality of output side electrodes having different scales, different tap distances, or by forming output side electrodes in an inclined fashion or in a dog-leg shape viewed in a direction of an aperture length, or by arranging, between electrode fingers, thin films having different dimensions or thicknesses viewed in the direction of the aperture length, or by forming, between electrode fingers, recessed portions having different dimension or depth viewed in the direction of the aperture length. In the surface acoustic wave matched filter for use in a spread spectrum communication, it is possible to prevent a decrease in a correlation caused by a variation in a propagating velocity of a surface acoustic wave due to a temperature characteristic as well as by fluctuations in the propagating velocity for respective substrates or within a single substrate.
摘要翻译：具有在抽头之间具有不同延迟时间的部分的声表面波匹配滤波器的输出侧电极。输出侧电极可以通过平行布置具有不同尺度，不同抽头距离的多个输出侧电极，或者通过沿孔径长度方向倾斜地形成输出侧电极或以狗腿形状形成，或者通过在电极指之间布置具有沿孔径长度方向观察的不同尺寸或厚度的薄膜，或者通过在电极指之间形成具有不同尺寸或深度的从孔长度方向看的凹部。在用于扩展频谱通信的表面声波匹配滤波器中，可以防止由于温度特性以及由于温度特性引起的声表面波的传播速度的变化引起的相关性的降低传播速度用于各个基板或在单个基板内。

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