专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US08947166B2 Radio frequency power amplifier 有权
标题翻译：射频功率放大器
公开(公告)号：US08947166B2
公开(公告)日：2015-02-03
申请号：US13824425
申请日：2012-05-22
申请人： Takashi Uno , Hikaru Ikeda , Kazuhiro Yahata , Motoyoshi Iwata , Hiroshi Naitou , Tomohide Kamiyama
发明人： Takashi Uno , Hikaru Ikeda , Kazuhiro Yahata , Motoyoshi Iwata , Hiroshi Naitou , Tomohide Kamiyama
IPC分类号： H03F3/191 , H03F3/193 , H03F1/02 , H03F1/56 , H03F3/60
CPC分类号： H03F3/193 , H03F1/0205 , H03F1/565 , H03F3/601 , H03F2200/387 , H03F2200/423
摘要： A radio frequency power amplifier includes: an amplifying element which amplifies an input signal and outputs the signal from an output terminal; and an output load circuit which includes a first resonant circuit and a second resonant circuit that are connected to the output terminal. The first resonant circuit has a resonance frequency higher than the frequency of the second harmonic of the input signal, and the second resonant circuit has a resonance frequency lower than the frequency of the third harmonic of the input signal. The output load circuit has such an impedance looking from the output terminal that a phase of a reflection coefficient at the second harmonic of the input signal is greater than 180 degrees and less than 360 degrees, and a phase of a reflection coefficient at the third harmonic of the input signal is greater than 0 degrees and less than 180 degrees.
摘要翻译：射频功率放大器包括：放大元件，其对输入信号进行放大并输出来自输出端子的信号; 以及输出负载电路，其包括连接到输出端子的第一谐振电路和第二谐振电路。第一谐振电路的谐振频率高于输入信号的二次谐波的频率，第二谐振电路的谐振频率低于输入信号的三次谐波的频率。输出负载电路具有从输出端看的阻抗，输入信号的二次谐波的反射系数的相位大于180度且小于360度，并且在三次谐波处的反射系数的相位的输入信号大于0度且小于180度。

2. 发明申请

US20130176079A1 RADIO FREQUENCY POWER AMPLIFIER 有权
标题翻译：无线电频率放大器
公开(公告)号：US20130176079A1
公开(公告)日：2013-07-11
申请号：US13824425
申请日：2012-05-22
申请人： Takashi Uno , Hikaru IKeda , Kazuhiro Yahata , Motoyoshi Iwata , Hiroshi Naitou , Tomohide Kamiyama
发明人： Takashi Uno , Hikaru IKeda , Kazuhiro Yahata , Motoyoshi Iwata , Hiroshi Naitou , Tomohide Kamiyama
IPC分类号： H03F3/193
CPC分类号： H03F3/193 , H03F1/0205 , H03F1/565 , H03F3/601 , H03F2200/387 , H03F2200/423
摘要： A radio frequency power amplifier includes: an amplifying element which amplifies an input signal and outputs the signal from an output terminal; and an output load circuit which includes a first resonant circuit and a second resonant circuit that are connected to the output terminal. The first resonant circuit has a resonance frequency higher than the frequency of the second harmonic of the input signal, and the second resonant circuit has a resonance frequency lower than the frequency of the third harmonic of the input signal. The output load circuit has such an impedance looking from the output terminal that a phase of a reflection coefficient at the second harmonic of the input signal is greater than 180 degrees and less than 360 degrees, and a phase of a reflection coefficient at the third harmonic of the input signal is greater than 0 degrees and less than 180 degrees.
摘要翻译：射频功率放大器包括：放大元件，其对输入信号进行放大并输出来自输出端子的信号; 以及输出负载电路，其包括连接到输出端子的第一谐振电路和第二谐振电路。第一谐振电路的谐振频率高于输入信号的二次谐波的频率，第二谐振电路的谐振频率低于输入信号的三次谐波的频率。输出负载电路具有从输出端看的阻抗，输入信号的二次谐波的反射系数的相位大于180度且小于360度，并且在三次谐波处的反射系数的相位的输入信号大于0度且小于180度。

3. 发明授权

US07893793B2 Film bulk acoustic wave resonator and method for manufacturing the same 失效
标题翻译：薄膜体声波谐振器及其制造方法
公开(公告)号：US07893793B2
公开(公告)日：2011-02-22
申请号：US11844809
申请日：2007-08-24
申请人： Tomohiro Iwasaki , Keiji Onishi , Hiroshi Nakatsuka , Takehiko Yamakawa , Tomohide Kamiyama
发明人： Tomohiro Iwasaki , Keiji Onishi , Hiroshi Nakatsuka , Takehiko Yamakawa , Tomohide Kamiyama
IPC分类号： H03H9/15 , H03H9/54 , H03H9/70
CPC分类号： H03H9/177 , H03H9/173 , H03H9/174 , H03H9/175 , H03H9/564 , H03H9/605
摘要： A film bulk acoustic wave resonator including a piezoelectric body 1, and a first electrode 2 and a second electrode 3 that are provided respectively on the main surfaces of the piezoelectric body, the piezoelectric body being applied an electric field through the first and the second electrodes so as to generate a resonant vibration. A first mass load material portion 4 having an annular shape is provided outside the planar region of the first electrode on the main surface of the piezoelectric body, a mass load effect thereof being larger than that of the first electrode. The outer periphery of the first electrode and the inner periphery of the first mass load material portion are spaced apart from each other, whereby the first electrode and the first mass load material portion are electrically insulated from each other. The first mass load material portion has a laminated structure including a first auxiliary electrode layer 2a and a load material layer 4a formed on the auxiliary electrode layer. The first auxiliary electrode is formed with the same material to have the same thickness as the first electrode. Energy loss can be reduced, while the first mass load material portion can be formed easily with high precision.
摘要翻译：一种包括分别设置在压电体的主表面上的压电体1和第一电极2和第二电极3的薄膜体声波谐振器，压电体通过第一和第二电极施加电场以产生共振振动。具有环状的第一质量负荷材料部分4设置在压电体的主表面上的第一电极的平面区域的外侧，其质量负载效应大于第一电极的质量负载效应。第一电极的外周和第一质量负载材料部的内周彼此间隔开，由此第一电极和第一质量负载材料部彼此电绝缘。第一质量负载材料部分具有包括形成在辅助电极层上的第一辅助电极层2a和负载材料层4a的叠层结构。第一辅助电极由相同的材料形成，以具有与第一电极相同的厚度。能够容易地以高精度形成第一质量负荷材料部，能够减少能量损失。

4. 发明授权

US07719390B2 Dual mode piezoelectric filter, method of manufacturing the same, high frequency circuit component and communication device using the same 有权
标题翻译：双模式压电滤波器，其制造方法，高频电路元件及使用其的通信装置
公开(公告)号：US07719390B2
公开(公告)日：2010-05-18
申请号：US12019330
申请日：2008-01-24
申请人： Tomohiro Iwasaki , Hiroshi Nakatsuka , Keiji Onishi , Takehiko Yamakawa , Tomohide Kamiyama
发明人： Tomohiro Iwasaki , Hiroshi Nakatsuka , Keiji Onishi , Takehiko Yamakawa , Tomohide Kamiyama
IPC分类号： H03H9/54 , H03H9/205 , H03H9/70 , H03H3/02
CPC分类号： H03H9/564 , H03H3/04 , H03H9/0207 , H03H2003/0428 , Y10T29/42
摘要： A dual mode piezoelectric filter includes a piezoelectric material layer composed of a piezoelectric thin film of the high-cut type formed on a substrate, a first electrode and a second electrode formed on one of the major surfaces of the piezoelectric material layer with a gap provided therebetween, a third electrode formed on the other major surface of the piezoelectric material layer opposite to the first electrode, the second electrode, and the gap, and an interelectrode mass load element formed in the gap or at a position opposite to the gap on a surface of the piezoelectric material layer. The relationships (ρ1×h1)≦(ρa×ha) and (ρ2×h2)≦(ρa×ha) are satisfied, where h1 is the thickness and ρ1 is the density of the first electrode, h2 is the thickness and ρ2 is the density of the second electrode, and ha is the thickness and ρa is the density of the interelectrode mass load element. A filter characteristic with a smooth passband and low losses is obtained.
摘要翻译：双模式压电滤波器包括由形成在基板上的高切割类型的压电薄膜构成的压电材料层，第一电极和形成在压电材料层的一个主表面上的间隔设置的第二电极其间形成在压电材料层的与第一电极，第二电极和间隙相反的另一个主表面上的第三电极，以及形成在间隙中或与间隙相对的位置处的电极间质量负载元件压电材料层的表面。满足关系（＆rgr; 1×h1）＆nlE;（＆rgr; a×ha）和（＆rgr; 2×h2）＆nlE;（＆rgr; a×ha），其中h1是厚度，＆rgr; 1是密度的第一个电极，h2是厚度，＆rgr; 2是第二个电极的密度，ha是厚度，而a是电极间质量负载元件的密度。获得具有平滑通带和低损耗的滤波器特性。

5. 发明申请

US20080051039A1 FILM BULKACOUSTIC WAVE RESONATOR AND METHOD FOR MANUFACTURING THE SAME 失效
标题翻译：电影波纹波谐振器及其制造方法
公开(公告)号：US20080051039A1
公开(公告)日：2008-02-28
申请号：US11844809
申请日：2007-08-24
申请人： Tomohiro IWASAKI , Keiji ONISHI , Hiroshi NAKATSUKA , Takehiko YAMAKAWA , Tomohide KAMIYAMA
发明人： Tomohiro IWASAKI , Keiji ONISHI , Hiroshi NAKATSUKA , Takehiko YAMAKAWA , Tomohide KAMIYAMA
IPC分类号： H04B1/38 , H03H9/00
CPC分类号： H03H9/177 , H03H9/173 , H03H9/174 , H03H9/175 , H03H9/564 , H03H9/605
摘要： A film bulk acoustic wave resonator including a piezoelectric body 1, and a first electrode 2 and a second electrode 3 that are provided respectively on the main surfaces of the piezoelectric body, the piezoelectric body being applied an electric field through the first and the second electrodes so as to generate a resonant vibration. A first mass load material portion 4 having an annular shape is provided outside the planar region of the first electrode on the main surface of the piezoelectric body, a mass load effect thereof being larger than that of the first electrode. The outer periphery of the first electrode and the inner periphery of the first mass load material portion are spaced apart from each other, whereby the first electrode and the first mass load material portion are electrically insulated from each other. The first mass load material portion has a laminated structure including a first auxiliary electrode layer 2a and a load material layer 4a formed on the auxiliary electrode layer. The first auxiliary electrode is formed with the same material to have the same thickness as the first electrode. Energy loss can be reduced, while the first mass load material portion can be formed easily with high precision.
摘要翻译：一种包括分别设置在压电体的主表面上的压电体1和第一电极2和第二电极3的薄膜体声波谐振器，压电体通过第一和第二电极施加电场以产生共振振动。具有环状的第一质量负荷材料部分4设置在压电体的主表面上的第一电极的平面区域的外侧，其质量负载效应大于第一电极的质量负载效应。第一电极的外周和第一质量负载材料部的内周彼此间隔开，由此第一电极和第一质量负载材料部彼此电绝缘。第一质量负载材料部分具有包括形成在辅助电极层上的第一辅助电极层2a和负载材料层4a的叠层结构。第一辅助电极由相同的材料形成，以具有与第一电极相同的厚度。能够容易地以高精度形成第一质量负荷材料部，能够减少能量损失。

6. 发明申请

US20070296523A1 Piezoelectric filter, antenna duplexer, and communications apparatus employing piezoelectric resonator 失效
标题翻译：压电滤波器，天线双工器以及采用压电谐振器的通信装置
公开(公告)号：US20070296523A1
公开(公告)日：2007-12-27
申请号：US11812013
申请日：2007-06-14
申请人： Takehiko Yamakawa , Tomohide Kamiyama , Tomohiro Iwasaki , Hiroshi Nakatsuka , Keiji Onishi
发明人： Takehiko Yamakawa , Tomohide Kamiyama , Tomohiro Iwasaki , Hiroshi Nakatsuka , Keiji Onishi
IPC分类号： H03H9/70 , H03H9/58
CPC分类号： H03H9/588 , H03H3/04 , H03H9/587 , H03H2003/023 , H03H2003/0414
摘要： A piezoelectric filter comprises a substrate and a plurality of piezoelectric resonators provided on the same substrate. Each piezoelectric resonator comprises a cavity formed in the substrate, a lower electrode formed on the substrate, covering the cavity, a piezoelectric material layer formed on the lower electrode, and an upper electrode formed on the piezoelectric material layer. At least one of the piezoelectric resonators has a cavity formed of a plurality of cells.
摘要翻译：压电滤波器包括基板和设置在同一基板上的多个压电谐振器。每个压电谐振器包括形成在基板中的空腔，形成在基板上的覆盖空腔的下电极，形成在下电极上的压电材料层和形成在压电材料层上的上电极。至少一个压电谐振器具有由多个单元形成的空腔。

7. 发明授权

US08525594B2 Radio frequency amplifier circuit 有权
标题翻译：射频放大电路
公开(公告)号：US08525594B2
公开(公告)日：2013-09-03
申请号：US13394974
申请日：2011-06-09
申请人： Tomohide Kamiyama , Hiroshi Naitou , Takashi Uno , Kazuhiro Yahata , Toshio Ishizaki
发明人： Tomohide Kamiyama , Hiroshi Naitou , Takashi Uno , Kazuhiro Yahata , Toshio Ishizaki
IPC分类号： H03F3/16
CPC分类号： H03F3/211 , H03F1/565 , H03F3/193 , H03F3/601 , H03F2200/387 , H03F2200/391 , H03F2200/423 , H03F2200/451
摘要： A radio frequency amplifier circuit according to the present invention is for providing a radio frequency amplifier circuit with high output and high efficiency, and includes (i) a first harmonic processing circuit (102) and (ii) a second harmonic processing circuit (103) which are connected to an output terminal of transistors (101), and a (iii) fundamental matching circuit (104) connected to a downstream of the first harmonic processing circuit (102) and the second harmonic processing circuit (103). The radio frequency amplifier circuit includes plural first harmonic processing circuits (102) and plural second harmonic processing circuits (103).
摘要翻译：根据本发明的射频放大器电路用于提供高输出和高效率的射频放大器电路，并且包括（i）第一谐波处理电路（102）和（ii）二次谐波处理电路（103）连接到第一谐波处理电路（102）和第二谐波处理电路（103）的下游的晶体管（101）的输出端子和（iii）基波匹配电路（104）。射频放大器电路包括多个第一谐波处理电路（102）和多个二次谐波处理电路（103）。

8. 发明申请

US20090133237A1 PIEZOELECTRIC DEVICE AND METHOD OF MANUFACTURING PIEZOELECTRIC RESONATORS 审中-公开
标题翻译：压电元件及制造压电谐振器的方法
公开(公告)号：US20090133237A1
公开(公告)日：2009-05-28
申请号：US12338189
申请日：2008-12-18
申请人： Keiji ONISHI , Hiroshi Nakatsuka , Takehiko Yamakawa , Tomohiro Iwasaki , Tomohide Kamiyama
发明人： Keiji ONISHI , Hiroshi Nakatsuka , Takehiko Yamakawa , Tomohiro Iwasaki , Tomohide Kamiyama
IPC分类号： H01L41/24
CPC分类号： H03H9/132 , H03H3/02 , H03H9/0514 , H03H9/13 , H03H9/172 , H03H9/175 , H03H2003/025 , Y10T29/42
摘要： A piezoelectric resonator comprises a piezoelectric material layer 101, a first electrode 102 formed on one major surface of the piezoelectric material layer 101, and having a cross-section in the shape of a trapezoid whose longer side contacts the piezoelectric material layer 101, and a second electrode 103 formed on the other major surface of the piezoelectric material layer 101, and having a cross-section in the shape of a trapezoid whose longer side contacts the piezoelectric material layer 101.
摘要翻译：压电谐振器包括压电材料层101，形成在压电材料层101的一个主表面上的第一电极102，并且具有长边接触压电材料层101的梯形形状的横截面，以及第二电极103形成在压电材料层101的另一个主表面上，并且具有长边与压电材料层101接触的梯形形状的横截面。

9. 发明申请

US20080180193A1 DUAL MODE PIEZOELECTRIC FILTER, METHOD OF MANUFACTURING THE SAME, HIGH FREQUENCY CIRCUIT COMPONENT AND COMMUNICATION DEVICE USING THE SAME 有权
标题翻译：双模式压电过滤器，其制造方法，高频电路组件和使用其的通信设备
公开(公告)号：US20080180193A1
公开(公告)日：2008-07-31
申请号：US12019330
申请日：2008-01-24
申请人： Tomohiro IWASAKI , Hiroshi NAKATSUKA , Keiji ONISHI , Takehiko YAMAKAWA , Tomohide KAMIYAMA
发明人： Tomohiro IWASAKI , Hiroshi NAKATSUKA , Keiji ONISHI , Takehiko YAMAKAWA , Tomohide KAMIYAMA
IPC分类号： H03H9/54 , H01L41/22
CPC分类号： H03H9/564 , H03H3/04 , H03H9/0207 , H03H2003/0428 , Y10T29/42
摘要： A dual mode piezoelectric filter includes a piezoelectric material layer composed of a piezoelectric thin film of the high-cut type formed on a substrate, a first electrode and a second electrode formed on one of the major surfaces of the piezoelectric material layer with a gap provided therebetween, a third electrode formed on the other major surface of the piezoelectric material layer opposite to the first electrode, the second electrode, and the gap, and an interelectrode mass load element formed in the gap or at a position opposite to the gap on a surface of the piezoelectric material layer. The relationships (p1×h1)≦(pa×ha) and (p2×h2)≦(pa×ha) are satisfied, where h1 is the thickness and p1 is the density of the first electrode, h2 is the thickness and p2 is the density of the second electrode, and ha is the thickness and pa is the density of the interelectrode mass load element. A filter characteristic with a smooth passband and low losses is obtained.
摘要翻译：双模式压电滤波器包括由形成在基板上的高切割类型的压电薄膜构成的压电材料层，第一电极和形成在压电材料层的一个主表面上的间隔设置的第二电极其间形成在压电材料层的与第一电极，第二电极和间隙相反的另一个主表面上的第三电极，以及形成在间隙中或与间隙相对的位置处的电极间质量负载元件压电材料层的表面。满足关系式（p 1x h1）<=（paxha）和（p 2x h2）<=（paxha），其中h 1是厚度，p 1是第一电极的密度，h 2是厚度和p 2是第二电极的密度，ha是厚度，pa是电极间质量负载元件的密度。获得具有平滑通带和低损耗的滤波器特性。

10. 发明申请

US20120169423A1 RADIO FREQUENCY AMPLIFIER CIRCUIT 有权
标题翻译：无线电频率放大器电路
公开(公告)号：US20120169423A1
公开(公告)日：2012-07-05
申请号：US13394974
申请日：2011-06-09
申请人： Tomohide Kamiyama , Hiroshi Naitou , Takashi Uno , Toshio Ishizaki
发明人： Tomohide Kamiyama , Hiroshi Naitou , Takashi Uno , Toshio Ishizaki
IPC分类号： H03F3/16 , H03F3/04
CPC分类号： H03F3/211 , H03F1/565 , H03F3/193 , H03F3/601 , H03F2200/387 , H03F2200/391 , H03F2200/423 , H03F2200/451
摘要： A radio frequency amplifier circuit according to the present invention is for providing a radio frequency amplifier circuit with high output and high efficiency, and includes (i) a first harmonic processing circuit (102) and (ii) a second harmonic processing circuit (103) which are connected to an output terminal of transistors (101), and a (iii) fundamental matching circuit (104) connected to a downstream of the first harmonic processing circuit (102) and the second harmonic processing circuit (103). The radio frequency amplifier circuit includes plural first harmonic processing circuits (102) and plural second harmonic processing circuits (103).
摘要翻译：根据本发明的射频放大器电路用于提供高输出和高效率的射频放大器电路，并且包括（i）第一谐波处理电路（102）和（ii）二次谐波处理电路（103）连接到第一谐波处理电路（102）和第二谐波处理电路（103）的下游的晶体管（101）的输出端子和（iii）基波匹配电路（104）。射频放大器电路包括多个第一谐波处理电路（102）和多个二次谐波处理电路（103）。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式