公开(公告)号：US5942818A

公开(公告)日：1999-08-24

申请号：US20297

申请日：1998-02-06

申请人： Yoshio Satoh ,  Takafumi Fukada

发明人： Yoshio Satoh ,  Takafumi Fukada

IPC分类号： H02M5/458 ,  H02M7/217 ,  H02P9/30 ,  H02K33/00 ,  H02K15/00 ,  H02M5/42 ,  H02M5/45

CPC分类号： H02M5/458 ,  H02M7/217 ,  H02P9/307 ,  H02M2001/007 ,  H02M2003/1552 ,  H02P2101/45

摘要： This invention relates to a control apparatus for permanent magnet type generators, having a voltage control unit for controlling a voltage of a permanent magnet type generator driven by an automobile engine, and a power conversion unit for converting the DC source power of an automobile into commercial AC power during the stoppage of the engine. The voltage control unit is capable of reducing the number of large current switching elements, being formed to small dimensions and weight and having economically advantageous effects, and comprises an engine-driven permanent magnet type generator, a voltage step-up and rectifying circuit for increasing the voltage of output power generated by the generator, and a conversion circuit adapted to convert an output from the voltage step-up and rectifying circuit into three-phase AC power by a pulse-width modulation control system, and having a voltage step-down function. The power conversion unit has the generator, a battery and a voltage step-up and step-down circuit, and is formed so as to apply an output from the battery to a neutral point of an armature coil of the generator during the stoppage of the engine.

摘要翻译： 本发明涉及一种用于永磁式发电机的控制装置，具有用于控制由汽车发动机驱动的永久磁铁式发电机的电压的电压控制单元和用于将汽车的直流电源转换为商用的电力转换单元 发动机停机时的交流电源。 电压控制单元能够减小形成为小尺寸和重量的大电流开关元件的数量并且具有经济上有利的效果，并且包括发动机驱动的永磁式发电机，用于增加的升压和整流电路 由发电机产生的输出电力的电压，以及转换电路，其适于通过脉宽调制控制系统将升压整流电路的输出转换为三相交流电，并具有降压 功能。 电力转换单元具有发电机，电池和升压降压电路，并且形成为在电池的停止期间将电池的输出施加到发电机的电枢线圈的中性点 发动机。

公开(公告)号：US5859473A

公开(公告)日：1999-01-12

申请号：US812282

申请日：1997-03-06

申请人： Osamu Ikata ,  Yoshio Satoh

发明人： Osamu Ikata ,  Yoshio Satoh

IPC分类号： H05K3/46 ,  H01L25/04 ,  H01L25/18 ,  H03H9/05 ,  H03H9/25 ,  H03H9/72 ,  H01L23/34

CPC分类号： H03H9/725 ,  H03H9/0576 ,  H03H9/72 ,  H01L2224/32225 ,  H01L2224/48091 ,  H01L2224/48227 ,  H01L2224/73265 ,  H01L2924/16195 ,  H01L2924/30107 ,  H01L2924/3011

摘要： A duplexer package comprises two surface acoustic wave filter chips having different band center frequencies and a phase matching circuit for matching the phases of the two SAW filter chips, the filter chips and the phase matching circuit being accommodated in one unit, wherein the phase matching circuit is formed in a layer providing a cavity for the filter chips, the layer defining the cavity being located above a face for mounting the surface acoustic wave filter chips. According to the present invention, the height of the duplexer package can be lowered.

摘要翻译： 双工器封装包括具有不同带中心频率的两个表面声波滤波器芯片和用于将两个SAW滤波器芯片的相位相匹配的相位匹配电路，滤波器芯片和相位匹配电路容纳在一个单元中，其中相位匹配电路 形成在提供用于过滤芯片的空腔的层中，限定空腔的层位于用于安装声表面波滤波器芯片的面之上。 根据本发明，可以降低双工器封装的高度。

公开(公告)号：US5559481A

公开(公告)日：1996-09-24

申请号：US965774

申请日：1992-10-23

申请人： Yoshio Satoh ,  Osamu Ikata ,  Tsutomu Miyashita ,  Takashi Matsuda ,  Mitsuo Takamatsu

发明人： Yoshio Satoh ,  Osamu Ikata ,  Tsutomu Miyashita ,  Takashi Matsuda ,  Mitsuo Takamatsu

IPC分类号： H03H9/10 ,  H03H9/64 ,  H03H9/72

CPC分类号： H03H9/6436 ,  H03H9/0576 ,  H03H9/1071 ,  H03H9/6433 ,  H03H9/6483 ,  H03H9/72 ,  H03H9/725 ,  H03H2250/00

摘要： A SAW filter includes a first SAW resonator having a pair of terminals and a predetermined resonance frequency (f.sub.rp), the first SAW resonator being provided in a parallel arm of the SAW filter. A second SAW resonator has a pair of terminals and a predetermined resonance frequency (f.sub.rs) approximately equal to a predetermined antiresonance frequency of the first SAW resonator (f.sub.ap). The second SAW resonator is provided in a series arm of the SAW filter. An inductance element is connected in series to the first SAW resonator.

公开(公告)号：US5243249A

公开(公告)日：1993-09-07

申请号：US683042

申请日：1991-04-10

申请人： Tsutomu Miyashita ,  Yoshio Satoh

发明人： Tsutomu Miyashita ,  Yoshio Satoh

IPC分类号： H03H3/08 ,  H03H9/02 ,  H03H9/145

CPC分类号： H03H9/02921 ,  H03H3/08 ,  H03H9/1455 ,  Y10T29/42

摘要： A surface-acoustic-wave device comprises a substrate of piezoelectric material providing for the propagation of surface acoustic waves along a channel formed on an upper major surface of the substrate, a plurality of interdigital electrodes provided on the piezoelectric substrate major surface in a row, in correspondence to the channel, such that the electrodes are aligned in the propagating direction of the surface acoustic waves, each of the plurality of interdigital electrodes having a first art connected to a bonding pad on the substrate for external electric connection and having a plurality of finger electrodes extending in parallel, spaced relationship with respect to each other in a direction transverse to and crossing the channel, and a second part separated from the first part and having a plurality of finger electrodes extending in parallel, spaced relationship with respect to each other and in a direction opposite to the direction of the finger electrodes of the first part and transverse to and crossing the channel. An interconnection pattern is provided on the surface of the substrate in correspondence to a region thereof which is offset from the channel for interconnecting the respective second parts of the adjacent interdigital electrodes.

公开(公告)号：US5179310A

公开(公告)日：1993-01-12

申请号：US672018

申请日：1991-03-19

申请人： Yoshio Satoh ,  Osamu Ikata ,  Tsutomu Miyashita ,  Mitsuo Takamatsu ,  Takashi Matsuda

发明人： Yoshio Satoh ,  Osamu Ikata ,  Tsutomu Miyashita ,  Mitsuo Takamatsu ,  Takashi Matsuda

IPC分类号： H03H9/145 ,  H03H9/64

CPC分类号： H03H9/1455 ,  H03H9/6426

摘要： A SAW device comprises a substrate, input and output interdigital electrodes provided on the substrate alternately to form a row of electrodes, and a pair of open strip reflectors disposed at both ends of the row, the input interdigital electrodes having a first pair number representing the number of pairs of opposing finger electrodes forming the input electrode, the output interdigital electrodes having a second pair number representing the number of pairs of opposing finger electrodes forming the output electrode, wherein the first pair number and second pair number are set different in the adjacent input and output electrodes with a predetermined ratio therebetween, the first pair number is changed in each input electrodes in the row, and the second pair number is changed in each output electrodes in the row.

公开(公告)号：US07170371B2

公开(公告)日：2007-01-30

申请号：US10823648

申请日：2004-04-14

申请人： Masanori Ueda ,  Osamu Kawachi ,  Shogo Inoue ,  Jun Tsutsumi ,  Takashi Matsuda ,  Yoshio Satoh

发明人： Masanori Ueda ,  Osamu Kawachi ,  Shogo Inoue ,  Jun Tsutsumi ,  Takashi Matsuda ,  Yoshio Satoh

IPC分类号： H03H9/64 ,  H03H9/25

CPC分类号： H03H9/6436 ,  H03H9/14538 ,  H03H9/25 ,  H03H9/6433 ,  H03H9/6489

摘要： Efficient transverse energy confinement, and provision of a surface acoustic wave filter having preferable characteristics of both insertion loss and shape factor are obtained. In the surface acoustic wave filter, electrode fingers of one comb electrode are laid in a state of being inserted to the electrode fingers of the other comb electrode, and a thick film thicker than each plurality of electrode fingers is produced in a partial area of the bus bar, and a tip gap is provided between the top of each plurality of electrode fingers and the end face of the opposed bus bar, with a distance therebetween set not greater than 0.2λ (where, λ is one period of the comb electrode).

摘要翻译： 获得有效的横向能量限制，并且提供具有插入损耗和形状系数都优选的特性的表面声波滤波器。 在表面声波滤波器中，一个梳状电极的电极指状物被插入到另一梳状电极的电极指的状态，并且在该多个电极指的部分区域中产生厚于多个电极指的厚膜 汇流条，并且在每个多个电极指的顶部和相对的母线的端面之间设置有尖端间隙，其间的距离设置为不大于0.2λ（其中，λ是梳状电极的一个周期） 。

公开(公告)号：US06967546B2

公开(公告)日：2005-11-22

申请号：US10685704

申请日：2003-10-16

申请人： Tadashi Nakatani ,  Tsutomu Miyashita ,  Yoshio Satoh

发明人： Tadashi Nakatani ,  Tsutomu Miyashita ,  Yoshio Satoh

IPC分类号： H03H9/02 ,  H03H9/145 ,  H03H9/25 ,  H03H9/64

CPC分类号： H03H9/1071 ,  H03H9/02984 ,  H03H9/6483

摘要： A surface acoustic wave filter includes series-arm resonators and parallel-arm resonators that are connected in a ladder-like fashion. This surface acoustic wave filter satisfies conditions expressed as: 1×106≦4π2f02R2CopCos≦3.1×106 where Cop is the electrostatic capacitance of the parallel-arm resonators, Cos is the electrostatic capacitance of the series-arm resonators, f0 is the center frequency, and R is the nominal impedance.

摘要翻译： 表面声波滤波器包括串联臂谐振器和并联臂谐振器，其以梯形方式连接。 该表面声波滤波器满足表示为：<？in-line-formula description =“In-line formula”end =“lead”→> 1×10 6 <= 4pi 2 / 0＆gt;＆lt; 2＆gt; 2＆lt; 2＆gt; CopCos＆lt;＆gt;＆gt;＆lt; “在线公式”end =“tail”？>其中Cop是并联臂谐振器的静电电容，Cos是串联臂谐振器的静电电容，f <0>是中心 频率，R为标称阻抗。

公开(公告)号：US06577210B1

公开(公告)日：2003-06-10

申请号：US09659592

申请日：2000-09-11

申请人： Jun Tsutsumi ,  Takashi Matsuda ,  Osamu Ikata ,  Yoshio Satoh

发明人： Jun Tsutsumi ,  Takashi Matsuda ,  Osamu Ikata ,  Yoshio Satoh

IPC分类号： H03H964

CPC分类号： H03H9/64

摘要： The present invention relates to a surface acoustic wave filter which is characterized in that it includes a piezoelectric substrate, a plurality of surface acoustic wave propagation paths arranged in parallel on the piezoelectric substrate and a coupler for coupling the surface acoustic wave propagation paths, an input interdigital transducer and a first reflector are disposed on at least one of the surface acoustic wave propagation paths with intervention of the coupler, and an output interdigital transducer and a second reflector are disposed on at least one of the other surface acoustic wave propagation paths with intervention of the coupler. This construction can reduce the length of the surface acoustic wave filter in a surface acoustic wave propagation direction and can improve the shape factor of a frequency characteristic curve.

摘要翻译： 声表面波滤波器技术领域本发明涉及一种声表面波滤波器，其特征在于，它包括压电基片，压电基片上平行布置的多个表面声波传播路径和用于耦合表面声波传播路径的耦合器，输入 叉指换能器和第一反射器通过耦合器的介入设置在表面声波传播路径中的至少一个上，并且输出叉指式换能器和第二反射器设置在至少一个其它表面声波传播路径上，并具有干预 的耦合器。 这种结构可以降低表面声波滤波器在表面声波传播方向上的长度，并且可以改善频率特性曲线的形状因子。

公开(公告)号：USRE38002E1

公开(公告)日：2003-02-25

申请号：US09482546

申请日：2000-01-14

申请人： Yoshio Satoh ,  Osamu Ikata ,  Hidema Uchishiba ,  Takashi Matsuda ,  Tokihiro Nishihara ,  Mitsuo Takamatsu ,  Hajime Taniguchi

发明人： Yoshio Satoh ,  Osamu Ikata ,  Hidema Uchishiba ,  Takashi Matsuda ,  Tokihiro Nishihara ,  Mitsuo Takamatsu ,  Hajime Taniguchi

IPC分类号： H04R1700

CPC分类号： H03H3/08 ,  H03H9/14538 ,  Y10T29/42

摘要： This invention relates to a surface acoustic wave device and a production process thereof. An electrode is formed by alternately laminating a film of an aluminum alloy containing at least copper added thereto and a copper film on a piezoelectric substrate. While the particle size of the multi-layered electrode materials is kept small, the occurrence of voids in the film is prevented and life time of the surface acoustic wave device is elongated.

摘要翻译： 本发明涉及声表面波装置及其制造方法。 通过在压电基板上交替层叠至少含有铜的铝合金膜和铜膜而形成电极。 尽管多层电极材料的粒度保持较小，但是膜的空隙的发生被阻止，并且弹性表面波器件的寿命延长。

公开(公告)号：US06525629B2

公开(公告)日：2003-02-25

申请号：US09725140

申请日：2000-11-29

申请人： Takashi Matsuda ,  Jun Tsutsumi ,  Osamu Ikata ,  Yoshio Satoh

发明人： Takashi Matsuda ,  Jun Tsutsumi ,  Osamu Ikata ,  Yoshio Satoh

IPC分类号： H03H964

CPC分类号： H03H9/0285 ,  H03H9/02748 ,  H03H9/14547 ,  H03H9/14552 ,  H03H9/14564 ,  H03H9/6453 ,  H03H9/6476

摘要： A surface acoustic wave filter including a piezoelectric substrate, an exciting electrode formed on the piezoelectric substrate and exciting a surface acoustic wave, and a receiving electrode receiving the surface acoustic wave. Both the exciting and receiving electrodes are provided with interdigital electrode fingers having a period p. One of the exciting and receiving electrodes is constructed of a plurality of interdigital electrode sub-units having substantially the same electrode surface areas occupied by interdigital electrode fingers. The interdigital electrode sub-units are disposed in a direction perpendicular to a propagation direction of the excited surface acoustic wave and have a positional relation such that the interdigital electrode sub-units are offset from each other by (n±¼)p, wherein n is an integer, in a direction parallel to the propagation direction of the surface acoustic wave.

摘要翻译： 一种表面声波滤波器，包括压电基板，形成在压电基板上的激励电极和激励表面声波，以及接收声表面波的接收电极。 励磁接收电极和接收电极都设有具有周期p的叉指电极指。 励磁和接收电极之一由多个叉指电极子单元构成，其具有由叉指电极指所占据的基本上相同的电极表面积。 叉指电极子单元配置在与激励声表面波的传播方向正交的方向上，具有使指数间电极子单元彼此偏移（n±¼）p的位置关系，其中n 是平行于表面声波的传播方向的整数。