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227 条记录 (耗时 0.03 秒)

    Saw filter and mobile telephone using same
    83.
    发明授权
    Saw filter and mobile telephone using same 失效
    SAW滤波器和移动电话使用相同

    公开(公告)号：US5130681A

    公开(公告)日：1992-07-14

    申请号：US533420

    申请日：1990-06-05

    申请人： Hideo Ohnuki ,  Norio Hosaka ,  Hitoshi Watanabe ,  Jun Yamada

    发明人： Hideo Ohnuki ,  Norio Hosaka ,  Hitoshi Watanabe ,  Jun Yamada

    IPC分类号： H03H9/145 ,  H03H9/64

    CPC分类号： H03H9/6426

    摘要： A plurality of interdigital transducers (IDTs) of a surface acoustic wave bandpass filter, each of which has a plurality of electrode fingers arranged in a direction perpendicular to a propagating direction of surface acoustic wave, are connected alternatively to an input terminal and an output terminal of said filter. The IDTs are different in number of electrode fingers and in average value of inter-finger distance from each other and distance between adjacent IDTs are different. At least one of the outermost IDTs has a minimum number of electrode fingers and a maximum average value of inter-finger distance, compared with those of other IDTs.

    Unidirectional surface acoustic wave device
    84.
    发明授权
    Unidirectional surface acoustic wave device 失效
    单向表面声波装置

    公开(公告)号：US4775846A

    公开(公告)日：1988-10-04

    申请号：US97169

    申请日：1987-09-16

    申请人： Takashi Shiba ,  Yuji Fujita ,  Toshimitsu Takahashi ,  Jun Yamada

    发明人： Takashi Shiba ,  Yuji Fujita ,  Toshimitsu Takahashi ,  Jun Yamada

    IPC分类号： H03H9/02 ,  H03H9/145 ,  H03H9/64 ,  H03H9/68

    CPC分类号： H03H9/6423 ,  H03H9/14505

    摘要： In order to present an asymmetric frequency characteristic in an unidirectional acoustic surface wave device with a simple external phase shifter, a transducer formed on a substrate have three interaction areas (acoustic sources) defined by different three electrodes, first electrode being common, second electrode being connected to one end of the phase shifter, third electrode being connected to another end of the phase shifter, and distances between interaction areas being unequal to 2n (n:integer).

    摘要翻译： 为了在具有简单的外部移相器的单向声表面波装置中呈现非对称频率特性，形成在基板上的换能器具有由不同的三个电极限定的三个相互作用区域（声源），第一电极是共同的，第二电极是 连接到移相器的一端，第三电极连接到移相器的另一端，并且相互作用区域之间的距离不等于2n（n：整数）。

    Method for making printing plates
    85.
    发明授权
    Method for making printing plates 失效
    印版制作方法

    公开(公告)号：US4520088A

    公开(公告)日：1985-05-28

    申请号：US457281

    申请日：1983-01-11

    申请人： Takao Senga ,  Jun Yamada ,  Shigeyoshi Suzuki

    发明人： Takao Senga ,  Jun Yamada ,  Shigeyoshi Suzuki

    IPC分类号： G03G9/087 ,  G03G13/28

    CPC分类号： G03G9/08726

    摘要： Disclosed is a method for electrophotographically making a printing plate excellent in resolving power and having a high printing endurance by using a liquid developer containing a copolymer comprising an acrylate ester or methacrylate ester having an alkyl group of 4 or more and a styrene or a styrene derivative, preferably said copolymer additionally containing an acrylate ester or a methacrylate ester having an alkyl group of 3 or less carbon atoms, more preferably said binary or ternary copolymer additionally containing a vinyl monomer having a basic group or an acidic group.

    摘要翻译： 公开了一种通过使用包含含有烷基为4以上的丙烯酸酯或甲基丙烯酸酯和苯乙烯或苯乙烯衍生物的共聚物的液体显影剂来电分离制造分辨能力优异且印刷耐久性高的印刷板的方法 优选所述共聚物另外含有丙烯酸酯或具有3个或更少碳原子的烷基的甲基丙烯酸酯，更优选所述二元或三元共聚物另外含有具有碱性基团或酸性基团的乙烯基单体。

    Method for feeding recording sheet materials
    86.
    发明授权
    Method for feeding recording sheet materials 失效
    记录纸材料的供给方法

    公开(公告)号：US4502677A

    公开(公告)日：1985-03-05

    申请号：US423302

    申请日：1982-09-24

    申请人： Takao Senga ,  Shigeyoshi Suzuki ,  Jun Yamada ,  Sadao Kuriu

    发明人： Takao Senga ,  Shigeyoshi Suzuki ,  Jun Yamada ,  Sadao Kuriu

    IPC分类号： B65H1/04 ,  B65H3/08 ,  B65H3/46 ,  G03F7/20 ,  B65H3/34

    CPC分类号： B65H1/266 ,  B65H1/04 ,  B65H3/0816 ,  B65H3/46 ,  G03F7/2014 ,  B65H2701/18264 ,  B65H2701/1928

    摘要： Image recording sheet materials having a relatively hard support, e.g., printing plate sheet materials, can be simply, efficiently, automatically fed to a subsequent step without damaging a photo-sensitive surface by the present feeding method which comprises piling plural units each of which comprises a combination of an image recording sheet material having a relatively hard support and a spacing paper put on said sheet material in such a manner that the leading edge portion of the sheet material protrudes beyond the leading edge of the spacing paper and the trailing edge portion of the spacing paper protrudes beyond the trailing edge of the sheet material and the trailing edge portion of the spacing paper is held so as not to be fed and applying a feeding means to the leading edge portion of said sheet material to feed only the sheet materials to a subsequent step.

    摘要翻译： 具有较硬支撑的图像记录纸材料例如印版板材可以简单有效地自动进给到后续步骤，而不会通过本发明的馈送方法损坏光敏表面，该方法包括堆叠多个单元，每个单元包括 将具有相对硬支撑的图像记录纸材料与放置在所述纸张材料上的间隔纸的组合，使得片材的前缘部分突出超过间隔纸的前缘，并且后缘部分 间隔纸突出超过片材的后缘，并且间隔纸的后缘部被保持为不被馈送，并且将馈送装置施加到所述片材的前缘部分，以仅将片材材料馈送到 随后的一步。

    Surface acoustic wave transmission device for a low frequency signal below 30 MHz
    87.
    发明授权
    Surface acoustic wave transmission device for a low frequency signal below 30 MHz 失效
    用于30 MHz以下低频信号的表面声波传输装置

    公开(公告)号：US4500807A

    公开(公告)日：1985-02-19

    申请号：US455280

    申请日：1983-01-03

    申请人： Akitsuna Yuhara ,  Norio Hosaka ,  Yuji Fujita ,  Kiyoharu Kishimoto ,  Jun Yamada

    发明人： Akitsuna Yuhara ,  Norio Hosaka ,  Yuji Fujita ,  Kiyoharu Kishimoto ,  Jun Yamada

    IPC分类号： H03H9/25 ,  H03H3/08 ,  H03H9/02

    CPC分类号： H03H9/02866

    摘要： Disclosed is a surface acoustic wave transmission device comprising a piezoelectric substrate provided thereon with an input and output transducers for transmitting and receiving the surface acoustic wave, a package for accommodating the piezoelectric substrate, and an adhesion layer for fixing the bottom of the piezoelectric substrate to the ground plane of the package. The adhesion layer is made to have a thickness of .lambda..sub.R /2.6 or more wherein .lambda..sub.R : is the wave length of the surface acoustic wave at the main lobe of the operating frequency, so that unnecessary waves caused by bulk wave components are absorbed.

    摘要翻译： 公开了一种表面声波传输装置，包括：压电基板，其上设置有用于发送和接收表面声波的输入和输出换能器;用于容纳压电基板的封装;以及用于将压电基板的底部固定到 包装的接地面。 粘附层的厚度为λ/ 2.6或更大，其中λR：是在工作频率的主瓣处的表面声波的波长，从而吸收由体波分量引起的不必要的波。

    Unidirectional surface acoustic wave device with meandering electrode
    88.
    发明授权
    Unidirectional surface acoustic wave device with meandering electrode 失效
    具有曲折电极的单向表面声波装置

    公开(公告)号：US4422000A

    公开(公告)日：1983-12-20

    申请号：US374758

    申请日：1982-05-04

    申请人： Jun Yamada ,  Katashi Hazama

    发明人： Jun Yamada ,  Katashi Hazama

    IPC分类号： H03H3/08 ,  H03H9/145

    CPC分类号： H03H9/14508

    摘要： A surface acoustic wave device on a piezoelectric substrate comprises an interdigital transducer having an interdigital sending part in the forward direction and an interdigital reflecting part in the reverse direction. An electrical phase difference of .phi. (radian) is applied between the sending and reflecting parts, while the distance between the sending and reflecting parts providing a geometrical phase difference therebetween is established to be ##EQU1## where n is a positive integer and .lambda..sub.o is the wavelength of surface acoustic wave. A third, common electrode meanders between the sending and reflecting electrodes.

    摘要翻译： 压电基板上的表面声波装置包括具有向前方向的叉指式发送部的交叉指型变换器和反方向的叉指反射部。 在发送和反射部分之间施加phi（弧度）的电相位差，而在其间提供几何相位差的发送和反射部分之间的距离被确定为，其中n是正整数，λo是 声表面波的波长。 第三，在发射和反射电极之间的公共电极曲折。

    Thermistor composition and thick film thermistor
    89.
    发明授权
    Thermistor composition and thick film thermistor 失效
    热敏组合物和厚膜热敏电阻

    公开(公告)号：US4160227A

    公开(公告)日：1979-07-03

    申请号：US778954

    申请日：1977-03-18

    申请人： Akira Ikegami ,  Hiromi Tosaki ,  Jun Yamada ,  Teruo Mozume ,  Ichiro Tsubokawa ,  Kiyoshi Sakashita

    发明人： Akira Ikegami ,  Hiromi Tosaki ,  Jun Yamada ,  Teruo Mozume ,  Ichiro Tsubokawa ,  Kiyoshi Sakashita

    IPC分类号： H01C7/04 ,  H01C17/065 ,  H01C7/10

    CPC分类号： H01C17/0654 ,  C03C3/072 ,  C03C8/10 ,  C03C8/14 ,  C03C8/18 ,  H01C7/041

    摘要： This specification discloses a thermistor composition comprising a thermistor characteristic powder, a bismuth containing borosilicate glass frit and an electrically conductive powder comprising a mixture of a noble metal powder and ruthenium oxide powder which is selected from RuO.sub.2 + Ag and RuO.sub.2 + Au wherein the mixing ratio of the metal oxide thermistor characteristic powder, the glass and the electrically conductive powder is in the area of the quadrilateral ABCD in the triangular diagram of the accompanying FIG. 1 and the amount of the ruthenium oxide powder is 15-95% by weight of total of the noble metal powder and the ruthenium oxide powder, the vertexes A, B, C and D of the quadrilateral ABCD being the points showing the following compositions:______________________________________ Sum of the amounts of The metal oxide the noble metal powder thermistor charac- and the ruthenium teristic powder oxide powder Glass frit (% by weight) (% by weight) (% by weight) ______________________________________ A 20 10 70 B 70 10 20 C 30 50 20 D 20 50 30 ______________________________________ This specification further discloses a thick film thermistor using said thermistor composition.