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公开(公告)号：US20050099094A1
公开(公告)日：2005-05-12
申请号：US10966035
申请日：2004-10-18
申请人： Tokihiro Nishihara , Tsuyoshi Yokoyama , Takeshi Sakashita , Masafumi Iwaki , Tsutomu Miyashita
发明人： Tokihiro Nishihara , Tsuyoshi Yokoyama , Takeshi Sakashita , Masafumi Iwaki , Tsutomu Miyashita
IPC分类号： H01L41/09 , H01L29/82 , H01L41/08 , H01L41/187 , H03H9/13 , H03H9/15 , H03H9/17 , H03H9/54 , H03H9/56 , H03H9/58
CPC分类号： H03H9/174 , H03H9/02133 , H03H9/132 , H03H9/564 , H03H9/568
摘要： A piezoelectric thin-film resonator includes a substrate, a lower electrode arranged on the substrate, a piezoelectric film arranged on the lower electrode, and an upper electrode arranged on the piezoelectric film. A region in which the upper electrode overlaps with the lower electrode through the piezoelectric film has an elliptical shape, and a condition such that 1
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公开(公告)号：US20120126913A1
公开(公告)日：2012-05-24
申请号：US13364075
申请日：2012-02-01
申请人： Motoaki Hara , Jun Tsutsumi , Shogo Inoue , Masafumi Iwaki , Masanori Ueda
发明人： Motoaki Hara , Jun Tsutsumi , Shogo Inoue , Masafumi Iwaki , Masanori Ueda
CPC分类号： H03H9/568 , H03H9/605 , H03H9/6483 , H03H9/706 , H03H9/725
摘要： A duplexer with a reduced filter loss is provided. The duplexer includes two or more filters F1 and F2 that are connected to a common terminal and that have different passbands. At least one of the filters F1 and F2 includes a plurality of series resonators S1 to Sn connected in series to a path between an input terminal and an output terminal of the filter, and parallel resonators P1 to Pm connected in parallel to the above-mentioned path. An inductance L1 is connected in parallel to at least one of the series resonators, and the series resonator S1 having the inductance L1 connected in parallel thereto is divided into a plurality of resonators S11 to S13 connected in series.
摘要翻译： 提供了一种降低滤波器损耗的双工器。 双工器包括连接到公共端并且具有不同通带的两个或更多个滤波器F1和F2。 滤波器F1和F2中的至少一个包括与滤波器的输入端子和输出端子之间的路径串联连接的多个串联谐振器S1至Sn，以及与上述并联连接的并联谐振器P1至Pm 路径。 电感L1与串联谐振器中的至少一个并联连接，具有并联连接的电感L1的串联谐振器S1被分成串联连接的多个谐振器S11〜S13。
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公开(公告)号：US09065419B2
公开(公告)日：2015-06-23
申请号：US13466319
申请日：2012-05-08
申请人： Motoaki Hara , Shogo Inoue , Jun Tsutsumi , Masafumi Iwaki
发明人： Motoaki Hara , Shogo Inoue , Jun Tsutsumi , Masafumi Iwaki
CPC分类号： H03H9/0566 , H03H9/0023 , H03H9/1085 , H03H9/542 , H03H9/605 , H03H9/6483 , H03H9/725
摘要： A ladder filter includes at least one series resonator connected in series between an input terminal and an output terminal, at least one parallel resonator connected in parallel with the at least one series resonator, and an inductor connected in parallel with the at least one series resonator. The at least one series resonator and the inductor generate a first attenuation pole at a frequency equal to or lower than a frequency band defined by the at least one series resonator and the at least one parallel resonator. The first attenuation pole is located at a frequency that is equal to or higher than a resonance frequency of a parallel resonator that is included in the at least one parallel resonator and has a highest resonance frequency and that is equal to or lower than a high-frequency end of the pass band.
摘要翻译： 梯形滤波器包括串联连接在输入端和输出端之间的至少一个串联谐振器，与至少一个串联谐振器并联连接的至少一个并联谐振器，以及与至少一个串联谐振器并联连接的电感器 。 所述至少一个串联谐振器和所述电感器以等于或低于由所述至少一个串联谐振器和所述至少一个并联谐振器限定的频带的频率产生第一衰减极点。 第一衰减极点位于等于或高于包括在至少一个并联谐振器中并具有最高谐振频率并且等于或低于高谐振频率的并联谐振器的谐振频率的频率， 通频带的频率端。
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公开(公告)号：US08648670B2
公开(公告)日：2014-02-11
申请号：US12582032
申请日：2009-10-20
申请人： Motoaki Hara , Shogo Inoue , Masafumi Iwaki , Jun Tsutsumi , Masanori Ueda
发明人： Motoaki Hara , Shogo Inoue , Masafumi Iwaki , Jun Tsutsumi , Masanori Ueda
CPC分类号： H03H9/542 , H03H9/009 , H03H9/0095 , H03H9/46 , H03H9/605 , H03H9/64 , H03H9/6483 , H03H9/706 , H03H9/725
摘要： According to an aspect of the invention, each of a filter, a duplexer and a communication module includes a plurality of series resonators connected to a signal line in series and a plurality of parallel resonators connected to the signal line in parallel. At least two of the plurality of parallel resonators are connected to the signal line between two of the plurality of series resonators in parallel, inductors are respectively connected to the at least two parallel resonators, and the inductors have different inductances from each other.
摘要翻译： 根据本发明的一个方面，滤波器，双工器和通信模块中的每一个包括串联连接到信号线的多个串联谐振器和并联连接到信号线的多个并联谐振器。 多个并联谐振器中的至少两个并联连接到多个串联谐振器中的两个之间的信号线，电感器分别连接到至少两个并联谐振器，并且电感器具有彼此不同的电感。
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公开(公告)号：US20100188166A1
公开(公告)日：2010-07-29
申请号：US12582032
申请日：2009-10-20
申请人： Motoaki Hara , Shogo Inoue , Masafumi Iwaki , Jun Tsutsumi , Masanori Ueda
发明人： Motoaki Hara , Shogo Inoue , Masafumi Iwaki , Jun Tsutsumi , Masanori Ueda
IPC分类号： H03H9/70
CPC分类号： H03H9/542 , H03H9/009 , H03H9/0095 , H03H9/46 , H03H9/605 , H03H9/64 , H03H9/6483 , H03H9/706 , H03H9/725
摘要： According to an aspect of the invention, each of a filter, a duplexer and a communication module includes a plurality of series resonators connected to a signal line in series and a plurality of parallel resonators connected to the signal line in parallel. At least two of the plurality of parallel resonators are connected to the signal line between two of the plurality of series resonators in parallel, inductors are respectively connected to the at least two parallel resonators, and the inductors have different inductances from each other.
摘要翻译： 根据本发明的一个方面，滤波器，双工器和通信模块中的每一个包括串联连接到信号线的多个串联谐振器和并联连接到信号线的多个并联谐振器。 多个并联谐振器中的至少两个并联连接到多个串联谐振器中的两个之间的信号线，电感器分别连接到至少两个并联谐振器，并且电感器具有彼此不同的电感。
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公开(公告)号：US09035722B2
公开(公告)日：2015-05-19
申请号：US13454940
申请日：2012-04-24
申请人： Motoaki Hara , Shogo Inoue , Jun Tsutsumi , Masafumi Iwaki
发明人： Motoaki Hara , Shogo Inoue , Jun Tsutsumi , Masafumi Iwaki
CPC分类号： H03H9/542 , H03H9/0023 , H03H9/0566 , H03H9/725
摘要： A ladder filter includes at least one series resonator connected in series between an input terminal and an output terminal, at least one parallel resonator connected in parallel with the at least one series resonator, an additional resonator connected in series between the at least one series resonator and one of the input terminal and the output terminal, and an inductor connected in series to the additional resonator, the additional resonator having a resonance frequency higher than an anti-resonance frequency of the at least one series resonator.
摘要翻译： 梯形滤波器包括串联连接在输入端和输出端之间的至少一个串联谐振器，与至少一个串联谐振器并联连接的至少一个并联谐振器，串联连接在至少一个串联谐振器 以及输入端子和输出端子之一以及与附加谐振器串联连接的电感器，所述附加谐振器的谐振频率高于所述至少一个串联谐振器的反谐振频率。
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公开(公告)号：US08552820B2
公开(公告)日：2013-10-08
申请号：US13482103
申请日：2012-05-29
申请人： Motoaki Hara , Jun Tsutsumi , Shogo Inoue , Masafumi Iwaki , Masanori Ueda
发明人： Motoaki Hara , Jun Tsutsumi , Shogo Inoue , Masafumi Iwaki , Masanori Ueda
CPC分类号： H03H7/38 , H03H9/0028 , H03H9/009 , H03H9/0222 , H03H9/0576 , H03H9/725
摘要： A filter includes at least one series resonator and parallel resonators, the at least one series resonator and the parallel resonators including excitation electrodes and reflectors, the parallel resonators having different resonance frequencies, and at least one of the parallel resonators other than the parallel resonator having the highest resonance frequency being configured to have a pitch of reflectors that is smaller than that of excitation electrodes.
摘要翻译： 滤波器包括至少一个串联谐振器和并联谐振器，所述至少一个串联谐振器和并联谐振器包括激励电极和反射器，并联谐振器具有不同的谐振频率，并且并联谐振器中的至少一个并联谐振器具有 最高谐振频率被配置为具有比激励电极小的反射器的间距。
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公开(公告)号：US08279021B2
公开(公告)日：2012-10-02
申请号：US13364075
申请日：2012-02-01
申请人： Motoaki Hara , Jun Tsutsumi , Shogo Inoue , Masafumi Iwaki , Masanori Ueda
发明人： Motoaki Hara , Jun Tsutsumi , Shogo Inoue , Masafumi Iwaki , Masanori Ueda
CPC分类号： H03H9/568 , H03H9/605 , H03H9/6483 , H03H9/706 , H03H9/725
摘要： A duplexer with a reduced filter loss is provided. The duplexer includes two or more filters F1 and F2 that are connected to a common terminal and that have different passbands. At least one of the filters F1 and F2 includes a plurality of series resonators S1 to Sn connected in series to a path between an input terminal and an output terminal of the filter, and parallel resonators P1 to Pm connected in parallel to the above-mentioned path. An inductance L1 is connected in parallel to at least one of the series resonators, and the series resonator S1 having the inductance L1 connected in parallel thereto is divided into a plurality of resonators S11 to S13 connected in series.
摘要翻译： 提供了一种降低滤波器损耗的双工器。 双工器包括连接到公共端并且具有不同通带的两个或更多个滤波器F1和F2。 滤波器F1和F2中的至少一个包括与滤波器的输入端子和输出端子之间的路径串联连接的多个串联谐振器S1至Sn，以及与上述并联连接的并联谐振器P1至Pm 路径。 电感L1与串联谐振器中的至少一个并联连接，具有并联连接的电感L1的串联谐振器S1被分成串联连接的多个谐振器S11〜S13。
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公开(公告)号：US09219467B2
公开(公告)日：2015-12-22
申请号：US13604526
申请日：2012-09-05
申请人： Shogo Inoue , Masafumi Iwaki , Jun Tsutsumi
发明人： Shogo Inoue , Masafumi Iwaki , Jun Tsutsumi
CPC分类号： H03H9/54 , H03H9/6433 , H03H9/70 , H03H9/706 , H03H9/725
摘要： A duplexer includes: a transmit filter that is connected between an antenna terminal and a transmit terminal and has a plurality of acoustic wave resonators; a receive filter that is connected between the antenna terminal and a receive terminal and has a plurality of acoustic wave resonators; and a delay line or a longitudinal coupling type resonator that is connected in parallel with at least one of the plurality of acoustic wave resonators of the transmit filter and the plurality of acoustic wave resonators of the receive filter and has at least two IDTs (Interdigital Transducers).
摘要翻译： 双工器包括：发射滤波器，其连接在天线端子和发射端子之间，并具有多个声波谐振器; 连接在天线端子和接收端子之间并具有多个声波谐振器的接收滤波器; 以及与发射滤波器的多个声波谐振器和接收滤波器的多个声波谐振器中的至少一个并联连接的延迟线或纵向耦合型谐振器，并且具有至少两个IDT（互指数转换器 ）。
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公开(公告)号：US20070046395A1
公开(公告)日：2007-03-01
申请号：US11509812
申请日：2006-08-25
申请人： Jun Tsutsumi , Masafumi Iwaki , Yasuhide Iwamoto , Masanori Ueda
发明人： Jun Tsutsumi , Masafumi Iwaki , Yasuhide Iwamoto , Masanori Ueda
CPC分类号： H03H9/72 , H03H9/0571 , H03H9/0576 , H03H9/706 , H03H9/725
摘要： A duplexer includes a first filter connected to a common terminal, a second filter connected to the common terminal, an additional inductor connected between at least one of the first and second filters and ground, a matching-use inductor connected between the common terminal and the ground, and a capacitor connected between the common terminal and at least one of the first and second filters.
摘要翻译： 双工器包括连接到公共端子的第一滤波器，连接到公共端子的第二滤波器，连接在第一和第二滤波器中的至少一个和地之间的附加电感器，连接在公共端子和第二滤波器之间的匹配用电感器 接地，以及连接在公共端子与第一和第二滤波器中的至少一个之间的电容器。
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