公开(公告)号：US4334167A

公开(公告)日：1982-06-08

申请号：US153238

申请日：1980-05-27

申请人： Shoichi Minagawa ,  Takeshi Okamoto

发明人： Shoichi Minagawa ,  Takeshi Okamoto

IPC分类号： H03H9/25 ,  H03F13/00 ,  H03H3/08 ,  H03H9/02 ,  H03H9/72 ,  H01L41/08

CPC分类号： H03F13/00

摘要： An elastic surface wave device having an input electrode, a pump electrode and an output electrode provided on a body of the device. The output electrode is juxtaposed with the input electrode on the body of the device on the same side with reference to the pump electrode and a multistrip coupler is provided between the pump electrode and the input and output electrodes so as to output, through the output electrode, a backward wave signal from the pump electrode.

摘要翻译： 一种弹性表面波装置，具有设置在该装置主体上的输入电极，泵电极和输出电极。 输出电极相对于泵电极在同一侧的器件本体上与输入电极并置，并且在泵电极和输入和输出电极之间设置多通耦合器，以便通过输出电极 来自泵电极的反向波信号。

公开(公告)号：US4599532A

公开(公告)日：1986-07-08

申请号：US627876

申请日：1984-07-05

申请人： Takeshi Okamoto ,  Shoichi Minagawa

发明人： Takeshi Okamoto ,  Shoichi Minagawa

IPC分类号： G06G7/195 ,  H03H9/02 ,  H03H9/42

CPC分类号： H03H9/02913 ,  G06G7/195 ,  H03H9/02779 ,  H03H9/02842 ,  H03H9/02874

摘要： A surface acoustic wave device comprises a piezoelectric substrate, a pair of transducers provided on the piezoelectric substrate, a center electrode provided in the center between the both transducers, first shield electrode provided between one of the transducers and the center electrode, and second shield electrode provided between the other transducer and the center electrode, with placement substantially represented by: ##EQU1## where l.sub.1 is the width of the individual shield electrodes, l.sub.2 is the distance from the individual shield electrodes to the center electrode, .lambda..sub.0 is the wavelength of a surface acoustic wave at the center frequency, and n.sub.1 and n.sub.2 are whole numbers.

摘要翻译： 表面声波装置包括压电基片，设置在压电基片上的一对换能器，设置在两个换能器之间的中心的中心电极，设置在换能器之一和中心电极之间的第一屏蔽电极和第二屏蔽电极 设置在另一个传感器和中心电极之间，其放置基本上由以下部分表示：其中l1是各个屏蔽电极的宽度，l2是从各个屏蔽电极到中心电极的距离，λ0是 中心频率处的表面声波，n1和n2是整数。

公开(公告)号：US4567392A

公开(公告)日：1986-01-28

申请号：US677712

申请日：1984-12-04

申请人： Ryuichi Asai ,  Takeshi Okamoto ,  Shoichi Minagawa

发明人： Ryuichi Asai ,  Takeshi Okamoto ,  Shoichi Minagawa

IPC分类号： H03H9/02 ,  H03H9/05 ,  H03H9/145 ,  H01L41/08

CPC分类号： H03H9/0542 ,  H03H9/02574

摘要： A surface acoustic wave device comprises a silicon substrate, a silicon dioxide layer provided on the silicon substrate, a zinc oxide layer provided on the silicon dioxide layer and input and output electrodes provided on the zinc oxide layer. The silicon substrate is cut by a crystalline surface substantially equivalent to the (100)- or (110)-surface, and the zinc oxide layer is such that its crystalline surface substantially equivalent to the (0001)-surface is parallel to the cut-surface of the silicon substrate, so that a surface acoustic wave entered from the input electrode is propagated to the output electrode in a direction substantially equivalent to the [011]- or [001]-axis of the silicon substrate.

摘要翻译： 表面声波装置包括硅衬底，设置在硅衬底上的二氧化硅层，设置在二氧化硅层上的氧化锌层和设置在氧化锌层上的输入和输出电极。 硅衬底被基本上等同于（100） - 或（110）表面的结晶表面切割，并且氧化锌层使得其基本上等于（0001）表面的结晶表面平行于切割面， 使得从输入电极输入的表面声波以与硅衬底的[011]或[001]轴基本相等的方向传播到输出电极。

公开(公告)号：US4449107A

公开(公告)日：1984-05-15

申请号：US354430

申请日：1982-03-03

申请人： Ryuichi Asai ,  Takeshi Okamoto ,  Shoichi Minagawa

发明人： Ryuichi Asai ,  Takeshi Okamoto ,  Shoichi Minagawa

IPC分类号： H03H9/145 ,  H01L41/08 ,  H03H3/08 ,  H03H9/02 ,  H03H9/25 ,  H03H9/64 ,  H03H9/42

CPC分类号： H03H9/02834 ,  H03H9/02574

摘要： A surface elastic wave element comprising a (110)-oriented silicon substrate, a zinc oxide layer formed on the silicon substrate and electrodes formed on the zinc oxide layer so as to propagate surface elastic wave to the [001]-axis direction of the zinc oxide layer.

摘要翻译： 一种表面弹性波元件，包括（110）取向的硅衬底，形成在硅衬底上的氧化锌层和形成在氧化锌层上的电极，以将表面弹性波传播到锌的[001]轴方向 氧化层。

公开(公告)号：US4398114A

公开(公告)日：1983-08-09

申请号：US218379

申请日：1980-12-19

申请人： Shoichi Minagawa ,  Takeshi Okamoto

发明人： Shoichi Minagawa ,  Takeshi Okamoto

IPC分类号： H03H9/02 ,  H03H9/64 ,  H01L27/20

CPC分类号： H03H9/6403

摘要： A surface-acoustic-wave parametric device includes in that a plurality of pumping electrodes arranged along a propagation path of surface acoustic wave. Values of DC bias voltages to be applied to the respective pumping electrodes for forming parametric interaction regions, or values of pumping voltages to be applied to the pumping electrodes, are differentiated so as to correspond to a desired frequency characteristic.

摘要翻译： 表面声波参数装置包括沿着声表面波的传播路径布置的多个泵浦电极。 施加到用于形成参数相互作用区域的各个泵浦电极的DC偏置电压的值或施加到泵浦电极的泵浦电压的值被区分，以便对应于期望的频率特性。

公开(公告)号：US4529995A

公开(公告)日：1985-07-16

申请号：US397283

申请日：1982-07-12

申请人： Takamasa Sakai ,  Shoichi Minagawa

发明人： Takamasa Sakai ,  Shoichi Minagawa

IPC分类号： H01L29/93

CPC分类号： H01L29/93

摘要： Variable capacitance device consisting of a semiconductor substrate having a first conductivity type semiconductor layer, at least one second conductivity type semiconductor region formed in a surface portion of said first conductivity type semiconductor layer, and a barrier for generating a depletion layer formed on the surface opposite to said surface portion of said first conductivity type semiconductor layer, in which a capacitance reading-out section is disposed on said at least one second conductivity type semiconductor region. A depletion layer control section is disposed on said surface opposite to said surface portion; and said depletion layer control section is reversely biased so that said depletion layer extends from said barrier to a junction portion between said first conductivity type semiconductor layer and said at least one second conductivity type semiconductor region, whereby a capacitance variation results at said capacitance reading-out section in response to variation of the reverse bias voltage.

摘要翻译： 由具有第一导电类型半导体层的半导体衬底，形成在所述第一导电类型半导体层的表面部分中的至少一个第二导电类型半导体区域和用于产生在相对的表面上形成的耗尽层的势垒组成的可变电容器件 到所述第一导电类型半导体层的所述表面部分，其中电容读出部分设置在所述至少一个第二导电类型半导体区域上。 耗尽层控制部分设置在与所述表面部分相对的所述表面上; 并且所述耗尽层控制部分被反向偏置，使得所述耗尽层从所述势垒延伸到所述第一导电类型半导体层和所述至少一个第二导电类型半导体区域之间的接合部分，由此在所述电容读取 - 响应于反向偏置电压的变化。

公开(公告)号：US5105436A

公开(公告)日：1992-04-14

申请号：US554537

申请日：1990-07-18

申请人： Masaharu Mori ,  Masahiro Hamatsu ,  Shoichi Minagawa

发明人： Masaharu Mori ,  Masahiro Hamatsu ,  Shoichi Minagawa

IPC分类号： H04B1/707 ,  H04B1/709

CPC分类号： H04B1/709 ,  H04B1/70712

摘要： A spread spectrum receiver using a correlator includes a pattern matching circuit for deciding presence or absence of a pulse output which is obtained upon coincidence between the pattern of a correlator output and a predetermined pattern, so as to switch a PN code inside the receiver or the center frequency of a received signal when absence of the pulse output is acknowledged.

摘要翻译： 使用相关器的扩频接收机包括：模式匹配电路，用于判定在相关器输出的模式与预定模式之间一致时获得的脉冲输出的存在或不存在，以便切换接收器内的PN码或 确认不存在脉冲输出时的接收信号的中心频率。

公开(公告)号：US5048052A

公开(公告)日：1991-09-10

申请号：US475185

申请日：1990-02-02

申请人： Masahiro Hamatsu ,  Shoichi Minagawa ,  Masaharu Mori

发明人： Masahiro Hamatsu ,  Shoichi Minagawa ,  Masaharu Mori

IPC分类号： G06F17/15 ,  H04B1/707 ,  H04B1/709 ,  H04J13/00 ,  H04J13/10 ,  H04L9/24

CPC分类号： H04B1/709 ,  H04B1/70718

摘要： The present invention is a spread spectrum communications system where the plural pseudonoise codes are switched such that one pseudonoise code represents binary "1" and another pseudonoise code represents binary "0" of the binary data to be transmitted. Further, in the receiver, a reference pseudonoise code is generated which is asynchronous with respect to the carrier and with respect to the pseudonoise codes of the transmitter. The reference pseudonoise code is used in a convolver to reproduce the transmitted information signal.

摘要翻译： 本发明是一种扩频通信系统，其中多个伪噪声码被切换，使得一个伪噪声码表示二进制“1”，另一个伪噪声码表示要发送的二进制数据的二进制“0”。 此外，在接收机中，生成与载波相对于发射机的伪噪声码异步的参考伪噪声码。 在卷积器中使用参考伪噪声码来再现发送的信息信号。

公开(公告)号：US4403202A

公开(公告)日：1983-09-06

申请号：US248112

申请日：1981-03-27

申请人： Shoichi Minagawa

发明人： Shoichi Minagawa

IPC分类号： G10K15/00 ,  H03H3/08 ,  H03H9/145 ,  H03H9/42

CPC分类号： H03H3/08 ,  G10K15/00 ,  H03H9/14502 ,  Y10T29/42

摘要： A surface acoustic wave device wherein a laminated structure comprised of a piezoelectric member and a metal electrode or electrodes is provided on a surface acoustic wave surface of an elastic body and an acoustic impedance discontinuous face is formed on the elastic body, so that a longitudinal wave generated by the laminated structure is reflected by the acoustic impedance discontinuous face to provide a transverse wave.

摘要翻译： 在弹性体的声表面波面上设置由压电体和金属电极构成的层叠结构的声表面波装置，在弹性体上形成声阻抗不连续面，使得纵波 由层叠结构产生的声阻抗不均匀面反射以提供横波。

公开(公告)号：US06600430B2

公开(公告)日：2003-07-29

申请号：US09771644

申请日：2001-01-30

申请人： Shoichi Minagawa ,  Kazuhiro Ido

发明人： Shoichi Minagawa ,  Kazuhiro Ido

IPC分类号： G08G1123

CPC分类号： G08B21/0213 ,  G08B13/1427 ,  G08B21/0227 ,  G08B21/023

摘要： A vehicle wireless data communication system of the invention comprises: a portable device including wireless data communication means and storing means for storing a network setting-up code; and a vehicle carried device including wireless data communication means and storing means for storing a network setting-up code corresponding to the network setting-up code of the portable device, wherein when the portable device approaches to a position within a communication range of the vehicle carried device (S1), an inquiry communication is carried out to compare the network setting-up codes for verification (S2), and when the network setting-up codes are coincident with each other (S3, S5), a wireless link is set up and the vehicle carried device is rendered active (S6).

摘要翻译： 本发明的车载无线数据通信系统包括：便携式设备，包括无线数据通信装置和存储装置，用于存储网络建立代码; 以及车载装置，包括无线数据通信装置和存储装置，用于存储对应于便携式装置的网络建立代码的网络建立代码，其中当便携式装置接近到车辆的通信范围内的位置时 （S1），进行查询通信以比较用于验证的网络建立代码（S2），并且当网络建立代码彼此一致时（S3，S5），设置无线链路 并且车载装置被激活（S6）。