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    Antenna duplexer
    1.
    发明授权
    Antenna duplexer 失效
    天线双工器

    公开(公告)号：US06085071A

    公开(公告)日：2000-07-04

    申请号：US41110

    申请日：1998-03-12

    申请人： Toru Yamada ,  Yukihiro Takeda ,  Masaki Kita ,  Hideyuki Miyake ,  Toshio Ishizaki ,  Makoto Fujikawa ,  Hideki Hayama

    发明人： Toru Yamada ,  Yukihiro Takeda ,  Masaki Kita ,  Hideyuki Miyake ,  Toshio Ishizaki ,  Makoto Fujikawa ,  Hideki Hayama

    IPC分类号： H01P1/213 ,  H04B1/46

    CPC分类号： H01P1/213

    摘要： An antenna duplexer has a transmission input terminal, a receiving output terminal, an antenna terminal in which a transmission output terminal and a receiving input terminal are used in common, a transmission filter having at least one resonance element set between the transmission input terminal and the transmission output terminal and coupled by a coupling element, a receiving filter having at least one resonance element set between the receiving output terminal and said receiving input terminal and coupled by a coupling element, and an impedance variable element connected to the resonance element of the transmission filter and the resonance element of said receiving filter respectively in parallel, wherein the frequency transfer characteristic of the transmission filter and the frequency transfer characteristic of the receiving filter are controlled by applying control signals and thereby changing the impedances of the impedance variable element.

    摘要翻译： 天线双工器具有发送输入端子，接收输出端子，共同使用发送输出端子和接收输入端子的天线端子，发送滤波器具有设置在发送输入端子和发送输入端子之间的至少一个谐振元件 传输输出端子并通过耦合元件耦合;接收滤波器，具有设置在接收输出端子和所述接收输入端子之间并由耦合元件耦合的至少一个谐振元件，以及连接到变速器的谐振元件的阻抗可变元件 滤波器和所述接收滤波器的谐振元件分别并联，其中通过施加控制信号并由此改变阻抗可变元件的阻抗来控制发送滤波器的频率传递特性和接收滤波器的频率传递特性。

    Laminated notch filter and cellular phone using the same
    2.
    发明授权
    Laminated notch filter and cellular phone using the same 有权
    层叠陷波滤波器和使用相同的蜂窝电话

    公开(公告)号：US06603372B1

    公开(公告)日：2003-08-05

    申请号：US09722734

    申请日：2000-11-28

    申请人： Toshio Ishizaki ,  Ikuo Awai ,  Hideyuki Miyake ,  Shoichi Kitazawa ,  Toru Yamada

    发明人： Toshio Ishizaki ,  Ikuo Awai ,  Hideyuki Miyake ,  Shoichi Kitazawa ,  Toru Yamada

    IPC分类号： H01P1203

    CPC分类号： H01P1/2039

    摘要： A notch filter made up from laminated dielectric, which attenuates a specific frequency of a signal to be transmitted, comprises two terminals for input or output a signal to be transmitted, a line connected between those terminals, two resonators each having one end connected to ground and an other end, two first coupling capacitors, and a second coupling capacitor. Each end of the line is connected to the other end of the resonator through the first capacitor. The second capacitor couples said two resonators each other.

    摘要翻译： 由层叠电介质构成的陷波滤波器，其衰减要发送的信号的特定频率，包括用于输入或输出要发送的信号的两个端子，连接在这些端子之间的线路，两个谐振器各自具有一端连接到地 另一端，两个第一耦合电容器和第二耦合电容器。 线路的每一端通过第一电容器连接到谐振器的另一端。 第二电容器将所述两个谐振器彼此耦合。

    Dual-band multilayer bandpass filter
    5.
    发明授权
    Dual-band multilayer bandpass filter 有权
    双频带多层带通滤波器

    公开(公告)号：US6147571A

    公开(公告)日：2000-11-14

    申请号：US147562

    申请日：1999-01-20

    申请人： Shoichi Kitazawa ,  Toru Yamada ,  Toshio Ishizaki ,  Koichi Ogawa ,  Makoto Fujikawa ,  Tadanori Fujisawa ,  Kaoru Ishida ,  Yoshitaka Nagatomi

    发明人： Shoichi Kitazawa ,  Toru Yamada ,  Toshio Ishizaki ,  Koichi Ogawa ,  Makoto Fujikawa ,  Tadanori Fujisawa ,  Kaoru Ishida ,  Yoshitaka Nagatomi

    IPC分类号： H01P1/203 ,  H01P1/205 ,  H01P1/213 ,  H03H7/01

    CPC分类号： H01P1/20345 ,  H01P1/2135 ,  H03H7/0123 ,  H03H7/175 ,  H03H2001/0085 ,  H03H2250/00 ,  H03H7/463

    摘要： A dual-band multilayer bandpass filter having a first filter unit (18) for filtering a first signal having a first frequency and a second filter unit (19) for filtering a second signal having a second frequency. First and second filter units are arranged in stacked ceramic layers. A first blocking element (20a, 20b; 25a, 25b; 25a', 25b'; 46a, 46b) is coupled to the first filter unit (18) for blocking the second signal from being applied to the first filter unit (18). A second blocking element (21a, 21b; 26a, 26b; 25c, 25d; 27a, 27b) is coupled to the second filter unit (19) for blocking the first signal from being applied to the second filter unit (19).

    摘要翻译： PCT No.PCT / JP97 / 02660 Sec。 371日期1999年1月20日 102（e）1999年1月20日PCT PCT 1997年7月31日PCT公布。 第WO98 / 05120号公报 日期1998年2月5日一种具有用于对具有第一频率的第一信号进行滤波的第一滤波器单元（18）和用于滤波具有第二频率的第二信号的第二滤波器单元（19）的双频带多层带通滤波器。 第一和第二滤波器单元布置在堆叠的陶瓷层中。 第一阻挡元件（20a，20b; 25a，25b; 25a'，25b'; 46a，46b）耦合到第一滤波器单元（18），用于阻止第二信号施加到第一滤波器单元（18）。 第二阻挡元件（21a，21b; 26a，26b; 25c，25d; 27a，27b）被耦合到第二滤波器单元（19），用于阻止第一信号施加到第二滤波器单元（19）。

    Matching circuit chip, filter with matching circuit, duplexer and cellular phone
    6.
    发明授权
    Matching circuit chip, filter with matching circuit, duplexer and cellular phone 有权
    匹配电路芯片，带匹配电路的滤波器，双工器和手机

    公开(公告)号：US06326863B1

    公开(公告)日：2001-12-04

    申请号：US09215132

    申请日：1998-12-18

    申请人： Hiroshi Kushitani ,  Toru Yamada ,  Naoki Yuda ,  Toshio Ishizaki ,  Hideaki Nakakubo ,  Makoto Fujikawa

    发明人： Hiroshi Kushitani ,  Toru Yamada ,  Naoki Yuda ,  Toshio Ishizaki ,  Hideaki Nakakubo ,  Makoto Fujikawa

    IPC分类号： H01P512

    CPC分类号： H01P1/2135 ,  H01P1/2039 ,  H01P5/02

    摘要： The present matching circuit chip has an integrated shape comprising a first transmission line, a second transmission line and a third transmission line, wherein one end of the first transmission line, one end of the second transmission line and one end of the third transmission line are connected to one another, a first filter connection terminal is connected to the other end of the first transmission line, an antenna terminal is connected to the other end of the second transmission line, and a second filter connection terminal is connected to the other end of the third transmission line, whereby the second transmission line converts the characteristic impedances of the first and third transmission lines so that the impedance matching between the antenna terminal and the first filter connection terminal can be attained, and so that the impedance matching between the antenna terminal and the second filter connection terminal can be attained.

    摘要翻译： 本匹配电路芯片具有包括第一传输线，第二传输线和第三传输线的集成形状，其中第一传输线的一端，第二传输线的一端和第三传输线的一端为 彼此连接，第一过滤器连接端子连接到第一传输线的另一端，天线端子连接到第二传输线的另一端，第二滤波器连接端子连接到第二传输线的另一端 第三传输线，由此第二传输线转换第一和第三传输线的特性阻抗，使得可以获得天线端子和第一滤波器连接端子之间的阻抗匹配，并且使得天线端子之间的阻抗匹配 并且可以实现第二过滤器连接端子。

    High frequency switch, two-band type high frequency switch, three-band type high frequency switch, and mobile communication equipment
    7.
    发明授权
    High frequency switch, two-band type high frequency switch, three-band type high frequency switch, and mobile communication equipment 有权
    高频开关，双频段高频开关，三频段高频开关和移动通信设备

    公开(公告)号：US07109531B2

    公开(公告)日：2006-09-19

    申请号：US10975155

    申请日：2004-10-28

    申请人： Shoichi Kitazawa ,  Masaharu Tanaka ,  Toshio Ishizaki ,  Toru Yamada

    发明人： Shoichi Kitazawa ,  Masaharu Tanaka ,  Toshio Ishizaki ,  Toru Yamada

    IPC分类号： H01L29/74

    CPC分类号： H01P1/15 ,  H01L2924/0002 ,  H01L2924/00

    摘要： A high frequency switch, has a transmitting terminal, a receiving terminal, an antenna terminal, a first diode having an anode electrically connected to the transmitting terminal and a cathode electrically connected to the antenna terminal, a second diode having an anode connected through a transmission line of ¼ wavelength to the antenna terminal which is electrically connected to the receiving terminal, and having the side of a cathode grounded, and a control terminal provided to a node between the transmitting terminal and the first anode. The first and second diodes have a tradeoff relationship between ON resistance thereof and capacitance between the anode and the cathode, and the ON resistance of the first diode is lower than the ON resistance of the second diode, and the capacitance of the second diode in the OFF state is smaller than the capacitance of the first diode in the OFF state.

    摘要翻译： 一种高频开关，具有发送端子，接收端子，天线端子，具有与发送端子电连接的阳极的第一二极管和与天线端子电连接的阴极，具有通过透射器连接的阳极的第二二极管 与连接到接收端子的电气连接的天线端子的1/4波长的线路，并且阴极侧接地，以及设置在发送端子和第一阳极之间的节点的控制端子。 第一和第二二极管在其导通电阻和阳极和阴极之间的电容之间具有折衷关系，并且第一二极管的导通电阻低于第二二极管的导通电阻，并且第二二极管的电容在 OFF状态小于第一二极管处于OFF状态的电容。

    High frequency switch and mobile communication equipment
    8.
    发明授权
    High frequency switch and mobile communication equipment 有权
    高频开关和移动通信设备

    公开(公告)号：US06586786B2

    公开(公告)日：2003-07-01

    申请号：US10032856

    申请日：2001-12-27

    申请人： Shoichi Kitazawa ,  Masaharu Tanaka ,  Toshio Ishizaki ,  Toru Yamada

    发明人： Shoichi Kitazawa ,  Masaharu Tanaka ,  Toshio Ishizaki ,  Toru Yamada

    IPC分类号： H01L2980

    CPC分类号： H01P1/15 ,  H01L2924/0002 ,  H01L2924/00

    摘要： A high frequency switch, has a transmitting terminal; a receiving terminal; an antenna terminal; a first diode having an anode electrically connected to the transmitting terminal and a cathode electrically connected to the antenna terminal; a second diode having an anode connected through a transmission line of ¼ wavelength to the antenna terminal which is electrically connected to the receiving terminal, and having the side of a cathode grounded; and a control terminal provided to a node between the transmitting terminal and the first anode, wherein the first and second diodes have a tradeoff relationship between ON resistance thereof and capacitance between the anode and the cathode, and the ON resistance of the first diode is lower than the ON resistance of the second diode, and the capacitance of the second diode in the OFF state is smaller than the capacitance of the first diode in the OFF state.

    摘要翻译： 高频开关，发射端子，接收端子，天线端子，第一二极管，具有与发射端子电连接的阳极和与天线端子电连接的阴极;第二二极管，具有通过传输线连接的阳极 对天线端子的1/4波长，电连接到接收端子，并且阴极侧接地; 以及提供给发送端子和第一阳极之间的节点的控制端子，其中第一和第二二极管在其导通电阻和阳极和阴极之间的电容之间具有折衷关系，并且第一二极管的导通电阻低于 第二二极管的导通电阻和第二二极管在OFF状态下的电容小于第一二极管在OFF状态下的电容。

    Multilayer filter having varied dielectric constant regions
    9.
    发明授权
    Multilayer filter having varied dielectric constant regions 失效
    具有不同介电常数区域的多层滤光片

    公开(公告)号：US06445266B1

    公开(公告)日：2002-09-03

    申请号：US10041262

    申请日：2001-10-25

    申请人： Yoshitaka Nagatomi ,  Naoki Yuda ,  Toshio Ishizaki ,  Shoichi Kitazawa ,  Toru Yamada

    发明人： Yoshitaka Nagatomi ,  Naoki Yuda ,  Toshio Ishizaki ,  Shoichi Kitazawa ,  Toru Yamada

    IPC分类号： H01P1203

    CPC分类号： H01P1/20345

    摘要： A small multilayer filter, in which a phase shifter may be constituted without increasing overall size of the filter. The overall size may be reduced without deteriorating the characteristics. Above the open end of a plurality of strip lines 4A provided on a dielectric layer 4, a coupling sector 3A of input/output pattern is placed to face it with a dielectric layer 3 interposed. An inductance L1, L2 is formed by connecting a side electrode 7A, 7B with a continuity sector 3B of input/output pattern; and said side electrode 7A, 7B with an input electrode 8A, output electrode 8B, respectively, by means of an electrode pattern 5A.

    摘要翻译： 可以在不增加滤波器的总体尺寸的情况下构成移相器的小型多层滤波器。 总体尺寸可以降低，而不会降低特性。 在设置在电介质层4上的多条带状线4A的开口端之上，输入/输出图案的耦合扇区3A被放置成与介质层3相对置。 通过将侧面电极7A，7B与输入/输出图案的连续性部分3B连接形成电感L1，L2; 和所述侧电极7A，7B分别通过电极图案5A分别具有输入电极8A，输出电极8B。

    Dielectric laminated device and its manufacturing method
    10.
    发明授权
    Dielectric laminated device and its manufacturing method 失效
    电介质层压装置及其制造方法

    公开(公告)号：US6020798A

    公开(公告)日：2000-02-01

    申请号：US893289

    申请日：1997-07-15

    申请人： Hideaki Nakakubo ,  Toshio Ishizaki ,  Toru Yamada ,  Hiroshi Kagata ,  Tatsuya Inoue ,  Shoichi Kitazawa

    发明人： Hideaki Nakakubo ,  Toshio Ishizaki ,  Toru Yamada ,  Hiroshi Kagata ,  Tatsuya Inoue ,  Shoichi Kitazawa

    IPC分类号： H01P1/203 ,  H01P7/08 ,  H01P11/00

    CPC分类号： H01P7/084 ,  H01P1/203 ,  H01P1/20345 ,  H01P11/008 ,  Y10T29/435 ,  Y10T29/49126 ,  Y10T29/49128 ,  Y10T29/49155 ,  Y10T29/4916

    摘要： By using a method for manufacturing a dielectric laminated device, an opening is formed on a first dielectric sheet, a strip line and an input and output line including an input and output electrode are formed by burying electrode materials in said opening, the first dielectric sheet is laminated with the second and third dielectric sheets disposed above and below respectively to form a laminate, a first and second shield electrodes and a ground electrode are formed, an end of the strip line is connected to the ground electrode, the first shield electrode and the second shield electrode are mutually connected through the ground electrode, and the input and output electrode is exposed along the line direction of the strip line. By this constitution of the above dielectric laminated device, the mounting reliability of the dielectric laminated device can be further increased.

    摘要翻译： 通过使用电介质层压装置的制造方法，在第一电介质片，带状线和包括输入和输出电极的输入和输出线上形成开口，通过在所述开口中埋入电极材料形成第一电介质片 层叠有分别设置在上下的第二和第三电介质片以形成层叠体，形成第一和第二屏蔽电极和接地电极，带状线的一端连接到接地电极，第一屏蔽电极和 第二屏蔽电极通过接地电极相互连接，并且输入和输出电极沿着带状线的线方向露出。 通过上述电介质层叠装置的结构，能够进一步提高电介质层叠装置的安装可靠性。