3-frequency branching circuit, branching circuit and radio communication equipment
    81.
    发明授权
    3-frequency branching circuit, branching circuit and radio communication equipment 失效
    3频分支电路,分支电路和无线电通信设备

    公开(公告)号:US07324493B2

    公开(公告)日:2008-01-29

    申请号:US10311915

    申请日:2001-06-25

    IPC分类号: H04B7/216

    摘要: A 3-frequency branching circuit in the past could not be used for a system wherein a TDMA method such as GSM and DCS and a W-CDMA method such as UMTS are mixed. The 3-frequency branching circuit equipped with branching means having first and second internal terminals, an antenna terminal of connecting to an antenna, a low-pass filter connected between the first internal terminal and the antenna terminal, and a high-pass filter connected between the second internal terminal and the antenna terminal, a switching circuit of switching between GSM TX and GSM RX, a switching circuit of switching between DCS TX, DCS RX and a third internal terminal, and a duplexer connected to the third internal terminal.

    摘要翻译: 过去的3频分支电路不能用于其中诸如GSM和DCS的TDMA方法和诸如UMTS的W-CDMA方法的系统混合。 具有分支装置的3频分支电路具有第一和第二内部端子,连接到天线的天线端子,连接在第一内部端子和天线端子之间的低通滤波器以及连接在第一内部端子和天线端子之间的高通滤波器 第二内部终端和天线终端,在GSM TX和GSM RX之间切换的切换电路,在DCS TX,DCS RX和第三内部终端之间切换的切换电路以及连接到第三内部终端的双工器。

    Balanced high-frequency filter, antenna duplexer, balanced high-frequency circuit and communication apparatus
    83.
    发明授权
    Balanced high-frequency filter, antenna duplexer, balanced high-frequency circuit and communication apparatus 有权
    平衡高频滤波器,天线双工器,平衡高频电路和通信设备

    公开(公告)号:US07224240B2

    公开(公告)日:2007-05-29

    申请号:US11078793

    申请日:2005-03-11

    IPC分类号: H03H9/68 H03H7/42

    摘要: With an antenna duplexer having balanced terminals, there has been a problem that the amount of leakage of common-mode signal components in the balanced terminals is large. A balanced high-frequency filter designed to solve this problem comprises a balanced high-frequency element and a phase-shifting circuit which includes a transmission line and placed between output terminals, and which is series resonance circuit having a length set to λT/2 (λT: the wavelength at a frequency in a transmission frequency band) and capable of resonating with common-mode signal components at a predetermined frequency.

    摘要翻译: 对于具有平衡端子的天线双工器,存在平衡端子中的共模信号分量的泄漏量大的问题。 设计用于解决这个问题的平衡式高频滤波器包括一个平衡的高频元件和一个包括传输线并置于输出端之间的移相电路,并且是串联谐振电路,其长度设定为λ< Tλ/ 2(λT是发送频带中的频率处的波长),并且能够以预定频率与共模信号分量谐振。

    Filter using piezoelectric resonator
    84.
    发明申请
    Filter using piezoelectric resonator 失效
    使用压电谐振器滤波

    公开(公告)号:US20070109073A1

    公开(公告)日:2007-05-17

    申请号:US11582425

    申请日:2006-10-18

    IPC分类号: H03H9/70 H03H9/58

    摘要: A series piezoelectric resonator 11 is connected in series between an input terminal 15a and an output terminal 15b. A first electrode of a parallel piezoelectric resonator 12a is connected to a connection point between the input terminal 15a and the series piezoelectric resonator 11, and a second electrode of the parallel piezoelectric resonator 12a is connected to a first terminal of an inductor 13a. A first electrode of a parallel piezoelectric resonator 12b is connected to a connection point between the series piezoelectric resonator 11 and the output terminal 15b, and a second electrode of the parallel piezoelectric resonator 12b is connected to a first terminal of an inductor 13b. Second terminals of the inductors 13a and 13b are grounded. An additional piezoelectric resonator 14 is connected between the second electrode of the parallel piezoelectric resonator 12a and the second electrode of the parallel piezoelectric resonator 12b.

    摘要翻译: 串联压电谐振器11串联连接在输入端子15a和输出端子15b之间。 平行压电谐振器12a的第一电极连接到输入端子15a和串联压电谐振器11之间的连接点,并联压电谐振器的第二电极连接到电感器13的第一端子 一个。 平行压电谐振器12b的第一电极连接到串联压电谐振器11和输出端子15b之间的连接点,并联压电谐振器12b的第二电极连接到电感器13的第一端子 b。 电感器13a和13b的第二端接地。 并联压电谐振器12a的第二电极和并联压电谐振器12b的第二电极之间连接有一个附加的压电谐振器14。

    Antenna module and radio apparatus using the same
    85.
    发明申请
    Antenna module and radio apparatus using the same 审中-公开
    天线模块和使用其的无线电设备

    公开(公告)号:US20060256017A1

    公开(公告)日:2006-11-16

    申请号:US11430941

    申请日:2006-05-10

    申请人: Toshio Ishizaki

    发明人: Toshio Ishizaki

    IPC分类号: H01Q1/38

    CPC分类号: H01Q9/0421 H01Q5/40

    摘要: An antenna module includes a block, an antenna element provided on the block, and an antenna terminal connected with the antenna element. The block has a first surface and a second surface different from the first surface. The antenna element is provided on the first surface of the block. The antenna terminal is provided on the second surface of the block. This antenna module allows a radio apparatus to have a small size.

    摘要翻译: 天线模块包括块,设置在块上的天线元件和与天线元件连接的天线端子。 该块具有不同于第一表面的第一表面和第二表面。 天线元件设置在块的第一表面上。 天线端子设置在块的第二表面上。 该天线模块允许无线电设备具有小尺寸。

    Filter, high-frequency module, communication device and filtering method
    86.
    发明申请
    Filter, high-frequency module, communication device and filtering method 审中-公开
    滤波器,高频模块,通讯装置及滤波方法

    公开(公告)号:US20060022773A1

    公开(公告)日:2006-02-02

    申请号:US11204185

    申请日:2005-08-15

    IPC分类号: H01P1/203

    CPC分类号: H01P1/20345

    摘要: A filter having an unbalanced terminal, a first stripline resonator of which one end is connected to the unbalanced terminal, a second stripline resonator placed to be electromagnetically coupled to the first stripline resonator, and balanced terminals of which both ends are connected to the second stripline resonator, wherein the first stripline resonator and the second stripline resonator are connected by at least one impedance element, and the second stripline resonator is a ½ wavelength resonator substantially having ½ the length of a wavelength of a resonance frequency.

    摘要翻译: 具有不平衡端子的滤波器,其一端连接到不平衡端子的第一带状线谐振器,与第一带状线谐振器电磁耦合的第二带状线谐振器,其两端连接到第二带状线 谐振器,其中所述第一带状线谐振器和所述第二带状线谐振器通过至少一个阻抗元件连接,并且所述第二带状线谐振器是基本上具有谐振频率的波长长度的1/2的1/2波长谐振器。

    RF device and communication apparatus using the same
    87.
    发明授权
    RF device and communication apparatus using the same 失效
    RF设备和使用其的通信设备

    公开(公告)号:US06985712B2

    公开(公告)日:2006-01-10

    申请号:US10228646

    申请日:2002-08-26

    IPC分类号: H04B1/28

    摘要: An RF device includes a first substrate having a lower relative dielectric constant, a first RF circuit for a lower frequency band provided in the first substrate, a second substrate having a higher relative dielectric constant larger than the lower relative dielectric constant, and a second RF circuit for a higher frequency band having a part of the second RF circuit sandwiched between the first substrate and the second substrate. The first RF circuit and the second RF circuit are connected to each other and the second substrate is partially overlaid on the first substrate. A semiconductor device or passive device is provided on a region in the surface of the first substrate on which the second substrate is not overlaid, and a multilayered wiring pattern made of copper or silver is formed in the first substrate to form the first RF circuit.

    摘要翻译: RF器件包括具有较低相对介电常数的第一衬底,用于设置在第一衬底中的较低频带的第一RF电路,具有大于较低相对介电常数的较高相对介电常数的第二衬底,以及第二RF 用于具有夹在第一基板和第二基板之间的第二RF电路的一部分的较高频带的电路。 第一RF电路和第二RF电路彼此连接,并且第二基板部分地覆盖在第一基板上。 半导体器件或无源器件设置在第一衬底表面上的不覆盖第二衬底的表面上,并且在第一衬底中形成由铜或银制成的多层布线图案以形成第一RF电路。

    Balanced high-frequency filter, antenna duplexer, balanced high-frequency circuit and communication apparatus
    88.
    发明申请
    Balanced high-frequency filter, antenna duplexer, balanced high-frequency circuit and communication apparatus 有权
    平衡高频滤波器,天线双工器,平衡高频电路和通信设备

    公开(公告)号:US20050242900A1

    公开(公告)日:2005-11-03

    申请号:US11078793

    申请日:2005-03-11

    摘要: With an antenna duplexer having balanced terminals, there has been a problem that the amount of leakage of common-mode signal components in the balanced terminals is large. A balanced high-frequency filter designed to solve this problem comprises a balanced high-frequency element and a phase-shifting circuit which includes a transmission line and placed between output terminals, and which is series resonance circuit having a length set to λT/2 (λT: the wavelength at a frequency in a transmission frequency band) and capable of resonating with common-mode signal components at a predetermined frequency.

    摘要翻译: 对于具有平衡端子的天线双工器,存在平衡端子中的共模信号分量的泄漏量大的问题。 设计用于解决这个问题的平衡式高频滤波器包括一个平衡的高频元件和一个包括传输线并置于输出端之间的移相电路,并且是串联谐振电路,其长度设定为λ< Tλ/ 2(λT是发送频带中的频率处的波长),并且能够以预定频率与共模信号分量谐振。

    Composite filter, antenna duplexer, and communication apparatus
    89.
    发明授权
    Composite filter, antenna duplexer, and communication apparatus 有权
    复合滤波器,天线双工器和通信设备

    公开(公告)号:US06809611B2

    公开(公告)日:2004-10-26

    申请号:US10264986

    申请日:2002-10-01

    IPC分类号: H03H964

    CPC分类号: H01P1/213 H01P1/20

    摘要: A composite filter has a dielectric notch filter; and a first surface acoustic wave filter. An attenuation band of the dielectric notch filter and an attenuation band of the first surface acoustic wave filter have at least a common band portion; and the dielectric notch filter and the surface acoustic wave filter are connected in cascade.

    摘要翻译: 复合滤波器具有介质陷波滤波器; 和第一声表面波滤波器。 介质陷波滤波器的衰减频带和第一声表面波滤波器的衰减频带至少具有公共频带部分; 介质陷波滤波器和声表面波滤波器级联连接。