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1. 发明授权

US07301255B2 Surface acoustic wave apparatus and communications device 有权
标题翻译：表面声波装置和通信装置
公开(公告)号：US07301255B2
公开(公告)日：2007-11-27
申请号：US10810728
申请日：2004-03-26
申请人： Motoki Ito , Daisuke Makibuchi , Yoshifumi Yamagata , Kouichi Maruta , Yuuko Yokota
发明人： Motoki Ito , Daisuke Makibuchi , Yoshifumi Yamagata , Kouichi Maruta , Yuuko Yokota
IPC分类号： H03H9/25
CPC分类号： H03H9/02921 , H01L2224/05001 , H01L2224/05022 , H01L2224/05026 , H01L2224/05571 , H01L2224/16225 , H03H9/0542 , H03H9/059 , H03H9/1085 , H03H9/6483 , H01L2224/05644 , H01L2924/00014 , H01L2224/05124 , H01L2224/05166
摘要： In a surface acoustic wave element 10, in which IDT electrodes 31 and 32, a grounding electrode 37, etc. are formed one main surface of a piezoelectric substrate 20, resistors 40 made of a semiconductor are provided to connection electrodes 38 that interconnect the respective electrodes. By forcing the charges generated in the IDT electrodes to move via the resistors 40, it is possible to provide a compact, highly reliable surface acoustic wave apparatus capable of preventing an electrostatic discharge damage in the IDT electrodes.
摘要翻译：在形成有IDT电极31,32的接地电极37等的表面声波元件10中，形成有压电基板20的一个主表面，由连接电极38将连接电极38，电极。通过强制在IDT电极中产生的电荷经由电阻器40移动，可以提供能够防止IDT电极中的静电放电损坏的紧凑，高度可靠的表面声波装置。

2. 发明授权

US5616528A Dielectric ceramic composition, multilayer resonator made of said composition and multilayer filter using said resonator 失效
标题翻译：介电陶瓷组合物，由所述组合物制成的多层谐振器和使用所述谐振器的多层滤波器
公开(公告)号：US5616528A
公开(公告)日：1997-04-01
申请号：US564816
申请日：1995-11-29
申请人： Hirofumi Toda , Shinjiro Shimo , Nobuyoshi Fujikawa , Shinji Isoyama , Kouichi Maruta
发明人： Hirofumi Toda , Shinjiro Shimo , Nobuyoshi Fujikawa , Shinji Isoyama , Kouichi Maruta
IPC分类号： C04B35/465
CPC分类号： C04B35/465
摘要： A dielectric ceramic composition comprising main components represented by a composition formula on the weight basis, aMgO.multidot.bCaO.multidot.cTiO.sub.2, wherein a, b and c satisfy the following relationships, 25.ltoreq.a.ltoreq.35, 0.3.ltoreq.b.ltoreq.7, 60.ltoreq.c.ltoreq.70, a+b+c=100, blended with a boron-containing compound in an amount of from 3 to 20 parts by weight reckoned as B.sub.2 O.sub.3 and an alkali metal-containing compound in an amount of from 1 to 12 parts by weight reckoned as the alkali metal carbonate per 100 parts by weight of the main components, as well as a multilayer resonator made of said composition, and a filter using said resonator. The ceramic composition can be fired together with a conductor metal such as Ag or Cu at a relatively low temperature of 900.degree. to 1050.degree. C., exhibits large dielectric constant and Q-value, and a relatively small temperature coefficient .tau.f, lending itself well for use as a material for high-frequency electronic parts. The resonator made of this ceramic composition exhibits excellent tproperties in high-frequency regions, and can be realized in a small size.
摘要翻译：一种介电陶瓷组合物，其包含以重量为基准的组成式表示的主要组分，aMgObBaOxcTiO 2，其中a，b和c满足以下关系：25 35，0.3

3. 发明授权

US08344781B2 Power amplification device, and transmission device and communication device using same 有权
标题翻译：功率放大装置，以及传输装置和使用该装置的通信装置
公开(公告)号：US08344781B2
公开(公告)日：2013-01-01
申请号：US13057471
申请日：2009-07-31
申请人： Akira Nagayama , Yasuhiko Fukuoka , Kouichi Maruta
发明人： Akira Nagayama , Yasuhiko Fukuoka , Kouichi Maruta
IPC分类号： H03H11/16
CPC分类号： H03F3/24 , H03F1/0294 , H03F3/19 , H03F3/211 , H03F2200/336 , H03F2200/451 , H03F2203/21142
摘要： To provide a power amplification device that can amplify an input signal having an envelope variation with high power-added efficiency in a wide frequency range, and a transmission device and a communication device using the power amplification device. A first orthogonal signal (Sd1) is generated by performing vector subtraction between first and second fundamental signals (Su1 and Su2) having the same amplitude and a phase difference δθ (0 degrees
摘要翻译：提供能够在宽的频率范围内放大具有高功率附加效率的包络变化的输入信号的功率放大装置，以及使用该功率放大装置的发送装置和通信装置。通过在具有相同幅度的第一和第二基本信号（Su1和Su2）之间执行向量相减和相位差δ＆amp;θ来产生第一正交信号（Sd1）（0度<δ＆amp; <180度）。基于输入信号（Sin）产生第一和第二基本信号。通过在第一和第二基本信号（Su1和Su2）之间执行向量相加来产生第二正交信号（Sd2）。通过在第二基本信号（Su2）和基于第一基本信号（Su1）获得的第一和第二恒定包络线矢量产生信号（e和-e）之间执行向量相加来产生第一和第二恒定包络线信号（S1和S2）。基于第一和第二恒定包络信号（S1和S2）输出通过放大输入信号（Sin）获得的输出信号（Sout）。

4. 发明申请

US20110140761A1 POWER AMPLIFICATION DEVICE, AND TRANSMISSION DEVICE AND COMMUNICATION DEVICE USING SAME 有权
标题翻译：功率放大装置，以及使用相同的传输装置和通信装置
公开(公告)号：US20110140761A1
公开(公告)日：2011-06-16
申请号：US13057471
申请日：2009-07-31
申请人： Akira Nagayama , Yasuhiko Fukuoka , Kouichi Maruta
发明人： Akira Nagayama , Yasuhiko Fukuoka , Kouichi Maruta
IPC分类号： G06G7/14
CPC分类号： H03F3/24 , H03F1/0294 , H03F3/19 , H03F3/211 , H03F2200/336 , H03F2200/451 , H03F2203/21142
摘要： To provide a power amplification device that can amplify an input signal having an envelope variation with high power-added efficiency in a wide frequency range, and a transmission device and a communication device using the power amplification device. A first orthogonal signal (Sd1) is generated by performing vector subtraction between first and second fundamental signals (Su1 and Su2) having the same amplitude and a phase difference Υθ (0 degrees
摘要翻译：提供能够在宽的频率范围内放大具有高功率附加效率的包络变化的输入信号的功率放大装置，以及使用该功率放大装置的发送装置和通信装置。通过在具有相同幅度和相位差的第一和第二基本信号（Su1和Su2）之间执行矢量相减来产生第一正交信号（Sd1）（0度<δ＆amp; <180度）。基于输入信号（Sin）产生第一和第二基本信号。通过在第一和第二基本信号（Su1和Su2）之间执行向量相加来产生第二正交信号（Sd2）。通过在第二基本信号（Su2）和基于第一基本信号（Su1）获得的第一和第二恒定包络线矢量产生信号（e和-e）之间执行向量相加来产生第一和第二恒定包络线信号（S1和S2）。基于第一和第二恒定包络信号（S1和S2）输出通过放大输入信号（Sin）获得的输出信号（Sout）。

5. 发明授权

US06566981B2 Surface acoustic wave device having plural ground conductor films in the housing cavity 失效
标题翻译：表面声波装置在壳体腔中具有多个接地导体膜
公开(公告)号：US06566981B2
公开(公告)日：2003-05-20
申请号：US09917594
申请日：2001-07-27
申请人： Masashi Urabe , Kenji Noguchi , Kouichi Maruta
发明人： Masashi Urabe , Kenji Noguchi , Kouichi Maruta
IPC分类号： H03H964
CPC分类号： H03H9/1071 , H03H9/6483
摘要： A surface acoustic wave device has: input external terminals, output external terminals and ground external terminals disposed on the outer peripheral surfaces of a container. In a cavity portion of the container, input pads, output pads and ground pads are respectively electrically connected to the input external terminals, the output external terminals and the ground external terminals. A plurality of SAW filter elements are housed in the cavity portion. A plurality of ground conductor films are respectively formed in areas where the SAW filter elements are respectively housed. The input, output and ground electrodes of the SAW filter elements are respectively connected to the input, the output and the ground pads. A metallic lid hermetically seals the cavity portion. Only one SAW filter element is connected to the same ground pad. All the round conductor films on which the SAW Liter elements are mounted are electrically separated from one another.
摘要翻译：表面声波装置具有：输入外部端子，输出外部端子和设置在容器的外周面上的接地外部端子。在容器的空腔部分中，输入焊盘，输出焊盘和接地焊盘分别电连接到输入外部端子，输出外部端子和接地外部端子。多个SAW滤波器元件容纳在空腔部分中。多个接地导体膜分别形成在SAW滤波器元件分别容纳的区域中。 SAW滤波器元件的输入，输出和接地电极分别连接到输入，输出和接地焊盘。金属盖密封空腔部分。只有一个SAW滤波器元件连接到同一个接地垫。其上安装有SAW放置元件的所有圆形导体膜彼此电分离。

6. 发明授权

US07392706B2 Pressure sensor device 有权
标题翻译：压力传感器装置
公开(公告)号：US07392706B2
公开(公告)日：2008-07-01
申请号：US10580633
申请日：2004-11-26
申请人： Kazuhisa Momose , Kaoru Matsuo , Shinichi Shimokihara , Hisayuki Inoue , Masashi Kamada , Hiroshi Tachioka , Kouichi Maruta , Hiroshi Oka
发明人： Kazuhisa Momose , Kaoru Matsuo , Shinichi Shimokihara , Hisayuki Inoue , Masashi Kamada , Hiroshi Tachioka , Kouichi Maruta , Hiroshi Oka
IPC分类号： G01L7/00
CPC分类号： B60C23/0408 , G01L9/0025
摘要： A sensor substrate 1 having on its lower surface a surface acoustic wave element 2 for detecting pressure is mounted on a supporting substrate 6 through a sealing member 4 surrounding a sensor section 2. A sealing space S is formed by the sensor substrate 1, the supporting substrate 6, and the sealing member 4, and the surface acoustic wave element 2 for detecting pressure is sealed hermetically in the sealing space S. Reliability can be enhanced by protecting the surface acoustic wave element 2 from the external environment.
摘要翻译：在其下表面上具有用于检测压力的表面声波元件2的传感器基板1通过围绕传感器部分2的密封构件4安装在支撑基板6上。密封空间S由传感器基板1，支撑基板6和密封部件4形成，用于检测压力的表面声波元件2密封地密封在密封空间S中。可以通过保护表面来增强可靠性声波元件2来自外部环境。

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