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1. 发明授权

EP1263137B1 Surface acoustic wave filter, balanced type filter and communication device 有权
标题翻译：表面声波滤波器，平衡型滤波器和通信设备
公开(公告)号：EP1263137B1
公开(公告)日：2017-07-26
申请号：EP02011843.6
申请日：2002-05-28
申请人： Skyworks Filter Solutions Japan Co., Ltd.
发明人： Nakamura, Hiroyuki , Mita, Narihiro , Tsuzuki, Shigeru , Yamada, Toru
IPC分类号： H03H9/64
CPC分类号： H03H9/0042 , H03H9/0038 , H03H9/0061 , H03H9/02952 , H03H9/14588

2. 发明授权

EP1276236B1 Inter-digital transducer, surface acoustic wave filter and communication apparatus using the same 有权
标题翻译：叉指式变换器，表面声波滤波器，该转换器使用的通信装置
公开(公告)号：EP1276236B1
公开(公告)日：2013-09-11
申请号：EP02015358.1
申请日：2002-07-10
申请人： Panasonic Corporation
发明人： Nakamura, Hiroyuki , Yamada, Toru , Tsuzuki, Shigeru , Mita, Narihiro
IPC分类号： H03H9/64
CPC分类号： H03H9/6463 , H03H9/0038 , H03H9/0042 , H03H9/0061 , H03H9/02763 , H03H9/14538 , H03H9/6479

3. 发明公开

EP1710912A3 Surface acoustic wave filter and communication apparatus 审中-公开
标题翻译：表面声波滤波器和通信设备
公开(公告)号：EP1710912A3
公开(公告)日：2009-02-25
申请号：EP06011341.2
申请日：2002-08-09
申请人： MURATA MANUFACTURING CO., LTD.
发明人： Takamine, Yuichi
IPC分类号： H03H9/64 , H03H9/00
CPC分类号： H03H9/0042 , H01L2224/0612 , H01L2224/16225 , H01L2224/49113 , H01L2924/16195 , H03H9/0061 , H03H9/14582
摘要： A surface acoustic wave filter unit (202) having three interdigital transducers (206,207,208) along the surface acoustic wave propagation direction is formed on a piezoelectric substrate (201) so as to provide a balance-to-unbalance conversion function. Balanced signal terminals (214,215) are connected to a pair of electrode finger sets of the centre interdigital transducer (207). An unbalanced signal terminal (213) is connected to one electrode finger set of each of the end interdigital transducers (206,208). The other electrode finger set of each of the end interdigital transducers (206,208) is connected to a ground terminal (216,218). The ground terminals (216,218) connected to the end interdigital transducers (206,208) are electrically isolated from each other on the piezoelectric substrate (201).

4. 发明公开

EP1276236A3 Inter-digital transducer, surface acoustic wave filter and communication apparatus using the same 有权
标题翻译：叉指式变换器，表面声波滤波器，该转换器使用的通信装置
公开(公告)号：EP1276236A3
公开(公告)日：2008-11-12
申请号：EP02015358.1
申请日：2002-07-10
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人： Nakamura, Hiroyuki , Yamada, Toru , Tsuzuki, Shigeru , Mita, Narihiro
IPC分类号： H03H9/64
CPC分类号： H03H9/6463 , H03H9/0038 , H03H9/0042 , H03H9/0061 , H03H9/02763 , H03H9/14538 , H03H9/6479
摘要： An inter-digital transducer has
a piezoelectric substrate; and
an IDT (inter-digital transducer) electrode having a pair of upper bus bar electrode and lower bus bar electrode placed facing each other on the piezoelectric substrate and a plurality of electrode fingers placed on the piezoelectric substrate each being led out from either the upper bus bar electrode or the lower bus bar electrode toward the other bus bar electrode,
wherein the IDT electrode is constructed of a plurality of divisional IDT electrodes and connected to a balanced type terminal.

5. 发明公开

EP1467485A3 Surface acoustic wave device and communication apparatus using the same 有权转让
标题翻译：一种声表面波装置和通信装置具有相同的
公开(公告)号：EP1467485A3
公开(公告)日：2005-09-07
申请号：EP04290950.7
申请日：2004-04-09
申请人： MURATA MANUFACTURING CO., LTD.
发明人： Ouchi Minefumi c/o Intellectual Property Depart. , Nakahashi, Norihiko c/o Intellectual Property Dep.
IPC分类号： H03H9/64
CPC分类号： H03H9/0061 , H03H9/0057 , H03H9/0085 , H03H9/14582 , H03H9/14588
摘要： A surface acoustic wave device includes first stage longitudinally coupled resonator type surface acoustic wave elements (501,503) and second stage longitudinally coupled resonator type surface acoustic wave elements (502,504) that are cascaded to each other and are arranged on a piezoelectric substrate. Each of the first and second stage longitudinally coupled resonator type surface acoustic wave elements (501-504) is provided with at least three IDTs (507-518) arranged along the direction of transmission of a surface acoustic wave. The central IDT (508,511,514,517) of each of the longitudinally coupled resonator type surface acoustic wave elements includes narrow pitch electrode finger portions (519-534). At least one of the number and the pitch of the electrode fingers of the narrow pitch electrode finger portions of the first stage longitudinally coupled resonator type surface acoustic wave elements (501,503) is set to be different from that of the second stage longitudinally coupled resonator type surface acoustic wave elements (502,504).

6. 发明公开

EP1467485A2 Surface acoustic wave device and communication apparatus using the same 有权转让
标题翻译： AkustischeOberflächenwellenvorrichtungundKommunikationsgerätmit derselben
公开(公告)号：EP1467485A2
公开(公告)日：2004-10-13
申请号：EP04290950.7
申请日：2004-04-09
申请人： Murata Manufacturing Co., Ltd.
发明人： Ouchi Minefumi c/o Intellectual Property Depart. , Nakahashi, Norihiko c/o Intellectual Property Dep.
IPC分类号： H03H9/64
CPC分类号： H03H9/0061 , H03H9/0057 , H03H9/0085 , H03H9/14582 , H03H9/14588
摘要： A surface acoustic wave device includes first stage longitudinally coupled resonator type surface acoustic wave elements (501,503) and second stage longitudinally coupled resonator type surface acoustic wave elements (502,504) that are cascaded to each other and are arranged on a piezoelectric substrate. Each of the first and second stage longitudinally coupled resonator type surface acoustic wave elements (501-504) is provided with at least three IDTs (507-518) arranged along the direction of transmission of a surface acoustic wave. The central IDT (508,511,514,517) of each of the longitudinally coupled resonator type surface acoustic wave elements includes narrow pitch electrode finger portions (519-534). At least one of the number and the pitch of the electrode fingers of the narrow pitch electrode finger portions of the first stage longitudinally coupled resonator type surface acoustic wave elements (501,503) is set to be different from that of the second stage longitudinally coupled resonator type surface acoustic wave elements (502,504).
摘要翻译：表面声波装置包括彼此级联并布置在压电基板上的第一级纵向耦合谐振器型表面声波元件（501,503）和第二级纵向耦合谐振器型表面声波元件（502,504）。第一级和第二级纵向耦合谐振器型声表面波元件（501-504）中的每一个设置有沿着声表面波的传输方向布置的至少三个IDT（507-518）。每个纵向耦合的谐振器型表面声波元件的中心IDT（508,511,514,517）包括窄间距电极指部分（519-534）。第一级纵向耦合谐振器型表面声波元件（501,503）的窄间距电极指部分的电极指的数量和间距中的至少一个被设置为与第二级纵向耦合谐振器型声表面波元件（502,504）。

7. 发明公开

EP1453201A2 Surface-acoustic-wave device having an improved pass-band characteristic and an improved degree of freedom for setting input and output impedences 失效
标题翻译：具有改进的带通特性和改进的输入和输出阻抗的调整的SAW滤波器
公开(公告)号：EP1453201A2
公开(公告)日：2004-09-01
申请号：EP04012227.7
申请日：1996-12-06
申请人： FUJITSU LIMITED
发明人： Ueda, Masanori , Endoh, Gou , Kawachi, Osamu , Fujiwara, Yoshiro
IPC分类号： H03H9/64
CPC分类号： H03H9/6469 , H03H9/0038 , H03H9/0042 , H03H9/0061 , H03H9/1071 , H03H9/25 , H03H9/6436 , H03H9/6459 , H03H9/6466 , H03H9/6489
摘要： A surface-acoustic-wave device includes at least first and second surface-acoustic-wave elements (11, 21) formed on a common piezoelectric substrate (1) and cascaded with each other, each of the first and second surface-acoustic-wave elements including a plurality of interdigital electrodes (11A - 11C; 21A - 21C) having a plurality of electrode fingers overlapping with each other in correspondence to a path of a surface acoustic wave on the piezoelectric substrate, wherein the width (W 1 , W 2 ) of overlapping of the electrode fingers is changed between the first surface-acoustic-wave element and the second surface-acoustic-wave element.
摘要翻译：一种表面声波器件包括：在形成在一个共同的压电基片（1）和彼此，每个第一和第二表面声波的级联至少第一和第二表面声波元件（11，21）元件包括叉指式电极的多个（11A - 11C; 21A - 21C），其具有电极指对应于彼此重叠，以在所述压电基板的表面声波的路径的复数，worin的宽度（W 1，W 2 ）电极指的重叠的在第一表面声波元件和第二表面声波元件之间改变。

8. 发明授权

EP1204204B1 Double-mode surface-acoustic-wave device 失效
标题翻译：具有两种模式的表面声波装置
公开(公告)号：EP1204204B1
公开(公告)日：2004-07-14
申请号：EP01130823.6
申请日：1996-12-06
申请人： FUJITSU LIMITED
发明人： Ueda, Masanori , Endoh, Gou , Kawachi, Osamu , Fujiwara, Yoshiro
IPC分类号： H03H9/64 , H03H9/25
CPC分类号： H03H9/6469 , H03H9/0038 , H03H9/0042 , H03H9/0061 , H03H9/1071 , H03H9/25 , H03H9/6436 , H03H9/6459 , H03H9/6466 , H03H9/6489

9. 发明公开

EP1168613A3 Longitudinally coupled resonator type surface acoustic wave filter and communications apparatus incorporating the same 审中-公开
标题翻译：表面纵向耦合谐振器和通信装置的声表面波滤波器具有相同的
公开(公告)号：EP1168613A3
公开(公告)日：2003-09-17
申请号：EP01401684.4
申请日：2001-06-26
申请人： Murata Manufacturing Co., Ltd.
发明人： Yuichi, Takamine, c/o (A170)Intellectual Prop. Dep , Yoichi, Sawada, c/o (A170) Intellectual Prop. Dep. , Minefumi, Ouchi c/o (A170)Intellectual Prop. Dep.
IPC分类号： H03H9/64 , H03H9/02 , H03H9/145
CPC分类号： H03H9/0061 , H03H9/0042 , H03H9/0057 , H03H9/0085 , H03H9/14582 , H03H9/14588
摘要： A longitudinally coupled resonator type surface acoustic wave filter (200) having a balance-unbalance conversion function achieves improved amplitude balance and phase balance. The surface acoustic wave filter includes first, second and third IDTs (201-3). The second IDT (202) is positioned in the center of the three IDTs and has an even number of electrode fingers. The polarity of the electrode finger (201a) of the first IDT adjacent to the second IDT (202) is opposite to the polarity of the electrode finger (203a) of the third IDT adjacent to the second IDT.
摘要翻译：具有平衡 - 不平衡转换功能的纵耦合谐振器型表面声波滤波器（200），实现了改进的振幅平衡和相位平衡。的表面声波滤波器包括第一，第二和第三IDT（201-3）。第二IDT（202）在三个IDT的中心被定位并具有偶数个电极指。第一IDT相邻于第二IDT（202）的电极指（201A）的极性是相反的第三IDT的电极指（203A）相邻的第二IDT的极性。

10. 发明公开

EP1249934A2 Surface acoustic wave apparatus and communications unit 有权
标题翻译： AkustischeOberflächenwellenanordnungund Kommunikationseinheit
公开(公告)号：EP1249934A2
公开(公告)日：2002-10-16
申请号：EP02290880.0
申请日：2002-04-09
申请人： Murata Manufacturing Co., Ltd.
发明人： Shibata, Osamu, c/o (A170) Intell. Property Dept. , Takamine, Yuichi, c/o (A170)Intell. Property Dept. , Watanabe, Hiroki, c/o (A170)Intell. Property Dept. , Yata, Masaru, c/o (A170) Intell. Property Dept. , Sawada, Yoichi, c/o (A170) Intell. Property Dept.
IPC分类号： H03H9/64 , H03H9/145
CPC分类号： H03H9/008 , H03H9/0038 , H03H9/0042 , H03H9/0061 , H03H9/0071 , H03H9/0085 , H03H9/02748 , H03H9/14517 , H03H9/14532 , H03H9/14547 , H03H9/14576 , H03H9/14579 , H03H9/14582 , H03H9/14585 , H03H9/14588 , H03H9/14591 , H03H9/6436
摘要： Three longitudinal-coupling-resonator-type interdigital transducers (IDTs) (1-3) having a balanced-to-unbalanced conversion function are disposed on a piezoelectric substrate (8) in a direction in which a surface acoustic wave (SAW) propagates. Weighting is applied to at least one (2/3) of the IDTs. For example, among the electrode fingers of the IDT (2) located on the left side, an apodization-weighted electrode finger (22a) is provided for one of the electrode fingers positioned adjacent to the central IDT (1).
摘要翻译：表面声波装置包括三个具有平衡不平衡转换功能的纵向耦合谐振器型叉指式换能器（2,3），它们在压电基片（8）上设置有表面声波传播。对至少一个换能器施加加权。通信单元还包括独立权利要求。

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