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    • 2. 发明授权
    • Dielectric filter with protective film covering the edges of the
input/output electrodes and external electrode
    • 介质滤波器,保护膜覆盖输入/输出电极和外部电极的边缘
    • US5864263A
    • 1999-01-26
    • US817720
    • 1997-08-22
    • Nobuhiro TakimotoTomoyuki Iwasaki
    • Nobuhiro TakimotoTomoyuki Iwasaki
    • C04B41/86C03C8/00H01P1/205H01P5/08H01P7/04H01P11/00
    • H01P11/007H01P1/2056
    • The invention relates to a dielectric filter for mounting to a printed wiring board wherein the edges of the filter's electrodes are covered with a protective film to prevent the peeling of edges of electrodes. The dielectric filter is a dielectrics (1) having a through hole (2) extending from its top to bottom face, an external electrode (3a) disposed on the outer face of the dielectrics (1) except for the top face, an internal electrode (3b) disposed inside the through-hole (2), island-like input/output electrodes (6) which are disposed on the outer side face of said dielectrics (1) and surrounded by a non-electrode portion (5) of the external electrode (3a). An electrode protection film (8) covers an outer edge of said input/output electrode (6), the non-electrode portion (5) of the external electrode (3a) disposed around the input/output electrode (6), and an inner edge of the external electrode (3a) contacting the non-electrode portion (5).
    • PCT No.PCT / JP96 / 02127 Sec。 371日期1997年8月22日 102(e)1997年8月22日PCT PCT 1996年7月29日PCT公布。 公开号WO97 / 08773 日期1997年3月6日本发明涉及一种用于安装到印刷线路板的介质滤波器,其中滤波器电极的边缘被保护膜覆盖以防止电极边缘的剥离。 介质滤波器是具有从顶部到底面延伸的通孔(2)的电介质(1),设置在除了顶面之外的电介质(1)的外表面上的外部电极(3a),内部电极 (3b),设置在所述通孔(2)内的岛状输入/输出电极(6),所述岛状输入/输出电极(6)设置在所述电介质(1)的外侧面上并被所述电介质的非电极部分 外部电极(3a)。 电极保护膜(8)覆盖所述输入/输出电极(6)的外边缘,设置在输入/输出电极(6)周围的外部电极(3a)的非电极部分(5) 与非电极部分(5)接触的外部电极(3a)的边缘。
    • 3. 发明申请
    • High-frequency switch, laminated high-frequency switch, high-frequency radio unit, and high-frequency switching method
    • 高频开关,层叠高频开关,高频无线单元,高频开关方式
    • US20050134402A1
    • 2005-06-23
    • US11049440
    • 2005-02-02
    • Kazuhide UriuToru YamadaTomoyuki Iwasaki
    • Kazuhide UriuToru YamadaTomoyuki Iwasaki
    • H01P1/15H03H9/72
    • H01P1/15
    • A high-frequency switch has a first transmission-reception switching circuit for selectively switching between the signal transfer between an antenna terminal and a first transmitting-circuit terminal and the signal transfer between the antenna terminal and a first receiving-circuit terminal; a second transmission-reception switching circuit for selectively switching between the signal transfer between the antenna terminal and a second transmitting-circuit terminal and the signal transfer between the antenna terminal and a second receiving-circuit terminal; a first diplexer disposed between the antenna terminal and the first transmission-reception switching circuit and between the antenna terminal and the second transmission-reception switching circuit; and a second diplexer connected to the second receiving-circuit terminal to selectively switch the signal transfer between the second receiving-circuit terminal and a third receiving-circuit terminal and the signal transfer between the second receiving-circuit terminal and a fourth receiving-circuit terminal by using a phase-shifting circuit and a surface-acoustic-wave filter.
    • 高频开关具有第一发送接收切换电路,用于选择性地切换天线端子与第一发送电路端子之间的信号传输与天线端子与第一接收电路端子之间的信号传递; 第二发送接收切换电路,用于选择性地切换天线端子与第二发送电路端子之间的信号传输与天线端子与第二接收电路端子之间的信号传送; 设置在天线端子和第一发送 - 接收切换电路之间以及天线端子和第二发送 - 接收切换电路之间的第一双工器; 以及第二双工器,其连接到所述第二接收电路端子,以选择性地切换所述第二接收电路端子和第三接收电路端子之间的信号传输,以及所述第二接收电路端子和第四接收电路端子之间的信号传递 通过使用移相电路和表面声波滤波器。
    • 5. 发明授权
    • High-frequency switch, laminated high-frequency switch, high-frequency radio unit, and high-frequency switching method
    • 高频开关,层叠高频开关,高频无线单元,高频开关方式
    • US06867662B2
    • 2005-03-15
    • US10463005
    • 2003-06-17
    • Kazuhide UriuToru YamadaTomoyuki Iwasaki
    • Kazuhide UriuToru YamadaTomoyuki Iwasaki
    • H01P1/15H03H7/46H03H7/48
    • H01P1/15
    • A high-frequency switch hasa first transmission-reception switching circuit for selectively switching between the signal transfer between an antenna terminal and a first transmitting-circuit terminal and the signal transfer between the antenna terminal and a first receiving-circuit terminal;a second transmission-reception switching circuit for selectively switching between the signal transfer between the antenna terminal and a second transmitting-circuit terminal and the signal transfer between the antenna terminal and a second receiving-circuit terminal;a first diplexer disposed between the antenna terminal and the first transmission-reception switching circuit and between the antenna terminal and the second transmission-reception switching circuit; anda second diplexer connected to the second receiving-circuit terminal to selectively switch the signal transfer between the second receiving-circuit terminal and a third receiving-circuit terminal and the signal transfer between the second receiving-circuit terminal and a fourth receiving-circuit terminal by using a phase-shifting circuit and a surface-acoustic-wave filter.
    • 高频开关具有用于选择性地切换天线端子和第一发送电路端子之间的信号传输与天线端子与第一接收电路端子之间的信号传输的第一发送 - 接收切换电路;第二传输 - 接收切换电路,用于选择性地切换天线端子和第二发送电路端子之间的信号传输和天线端子与第二接收电路端子之间的信号传输;第一双工器,设置在天线端子和第一传输 - 接收切换电路和天线端子与第二发送 - 接收切换电路之间; 以及连接到第二接收电路端子的第二双工器,用于选择性地切换第二接收电路端子和第三接收电路端子之间的信号传输以及在第二接收电路端子与第四接收电路端子之间的信号传输, 使用移相电路和表面声波滤波器。
    • 6. 发明授权
    • High-frequency switch, laminated high-frequency switch, high-frequency radio unit, and high frequency switching method
    • 高频开关,层叠式高频开关,高频无线单元,高频切换方式
    • US06606015B2
    • 2003-08-12
    • US10034879
    • 2001-12-26
    • Kazuhide UriuToru YamadaTomoyuki Iwasaki
    • Kazuhide UriuToru YamadaTomoyuki Iwasaki
    • H03H746
    • H01P1/15
    • A high-frequency switch has a first transmission-reception switching circuit for selectively switching between the signal transfer between an antenna terminal and a first transmitting-circuit terminal and the signal transfer between the antenna terminal and a first receiving-circuit terminal; a second transmission-reception switching circuit for selectively switching between the signal transfer between the antenna terminal and a second transmitting-circuit terminal and the signal transfer between the antenna terminal and a second receiving-circuit terminal; a first diplexer disposed between the antenna terminal and the first transmission-reception switching circuit and between the antenna terminal and the second transmission-reception switching circuit; and a second diplexer connected to the second receiving-circuit terminal to selectively switch the signal transfer between the second receiving-circuit terminal and a third receiving-circuit terminal and the signal transfer between the second receiving-circuit terminal and a fourth receiving-circuit terminal by using a phase-shifting circuit and a surface-acoustic-wave filter.
    • 高频开关具有用于选择性地切换天线端子和第一发送电路端子之间的信号传输与天线端子与第一接收电路端子之间的信号传输的第一发送 - 接收切换电路;第二传输 - 接收切换电路,用于选择性地切换天线端子和第二发送电路端子之间的信号传输和天线端子与第二接收电路端子之间的信号传输;第一双工器,设置在天线端子和第一传输 - 接收切换电路和天线端子与第二发送 - 接收切换电路之间; 以及连接到第二接收电路端子的第二双工器,用于选择性地切换第二接收电路端子和第三接收电路端子之间的信号传输以及在第二接收电路端子与第四接收电路端子之间的信号传输, 使用移相电路和表面声波滤波器。