Synchronous detecting circuit
    1.
    发明授权
    Synchronous detecting circuit 失效
    同步检测电路

    公开(公告)号:US07831004B2

    公开(公告)日:2010-11-09

    申请号:US11761849

    申请日:2007-06-12

    IPC分类号: H04L7/00

    摘要: In a synchronous detection circuit, an interpolation circuit regulates an interpolation calculation coefficient based on phase shift information when carrying out interpolation calculation processing over a digitally converted received signal. A sampling circuit samples interpolation data using a recovered clock as a reference and two clocks having phases which are advanced and delayed with respect to the recovered clock. A phase shift detecting circuit monitors a phase shift using three sampling data output from the sampling circuit and outputting phase shift information to the interpolation circuit when detecting a predetermined phase shift. A demodulating circuit performs demodulation processing using the data subjected to the sampling with the recovered clock output from the sampling circuit. Where a synchronous shift is detected, the interpolation circuit performs regulation to match a timing having a maximum signal-to-noise ratio and the recovered clock based on the amount of the phase shift.

    摘要翻译: 在同步检测电路中,当对数字转换的接收信号进行插值计算处理时,内插电路基于相移信息来调节内插计算系数。 采样电路使用恢复的时钟作为基准对插值数据进行采样,并且具有相对于恢复的时钟被提前和延迟的相位的两个时钟。 相移检测电路使用从采样电路输出的三个采样数据来监视相移,并且当检测到预定的相移时,将相移信息输出到内插电路。 解调电路利用从采样电路输出的恢复时钟进行采样的数据进行解调处理。 在检测到同步偏移的情况下,内插电路执行调节以使具有最大信噪比的定时和基于相移量的恢复时钟匹配。

    ANTENNA DEVICE AND WIRELESS COMMUNICATION APPARATUS
    2.
    发明申请
    ANTENNA DEVICE AND WIRELESS COMMUNICATION APPARATUS 有权
    天线设备和无线通信设备

    公开(公告)号:US20130307738A1

    公开(公告)日:2013-11-21

    申请号:US13981906

    申请日:2012-01-26

    IPC分类号: H01Q21/00

    摘要: The antenna device includes a first antenna 11 that includes a first ground terminal 12; a second antenna 18 that includes a second ground terminal 20; a ground conductor 28 to which the first antenna 11 is connected through the first ground terminal 12 and the second antenna 18 is connected through the second ground terminal 20; and a phase shifter 24 that controls a phase difference between a first current ie1 and a second current ie2. The phase shifter 24 controls the phase difference between the first current ie1 and the second current ie2 so that the first current ie1 and the second current ie2 have components to cancel each other.

    摘要翻译: 天线装置包括:第一天线11,其包括第一接地端子12; 包括第二接地端子20的第二天线18; 通过第一接地端子12连接第一天线11和第二天线18的接地导体28通过第二接地端子20连接; 以及控制第一电流ie1和第二电流ie2之间的相位差的移相器24。 移相器24控制第一电流ie1和第二电流ie2之间的相位差,使得第一电流ie1和第二电流ie2具有彼此抵消的组件。

    Antenna device and wireless communication apparatus
    3.
    发明授权
    Antenna device and wireless communication apparatus 有权
    天线装置和无线通信装置

    公开(公告)号:US09184509B2

    公开(公告)日:2015-11-10

    申请号:US13981906

    申请日:2012-01-26

    摘要: The antenna device includes a first antenna 11 that includes a first ground terminal 12; a second antenna 18 that includes a second ground terminal 20; a ground conductor 28 to which the first antenna 11 is connected through the first ground terminal 12 and the second antenna 18 is connected through the second ground terminal 20; and a phase shifter 24 that controls a phase difference between a first current ie1 and a second current ie2. The phase shifter 24 controls the phase difference between the first current ie1 and the second current ie2 so that the first current ie1 and the second current ie2 have components to cancel each other.

    摘要翻译: 天线装置包括:第一天线11,其包括第一接地端子12; 包括第二接地端子20的第二天线18; 通过第一接地端子12连接第一天线11和第二天线18的接地导体28通过第二接地端子20连接; 以及控制第一电流ie1和第二电流ie2之间的相位差的移相器24。 移相器24控制第一电流ie1和第二电流ie2之间的相位差,使得第一电流ie1和第二电流ie2具有彼此抵消的组件。

    ANTENNA DEVICE AND WIRELESS COMMUNICATION APPARATUS
    4.
    发明申请
    ANTENNA DEVICE AND WIRELESS COMMUNICATION APPARATUS 有权
    天线设备和无线通信设备

    公开(公告)号:US20140152515A9

    公开(公告)日:2014-06-05

    申请号:US13981906

    申请日:2012-01-26

    IPC分类号: H01Q21/00

    摘要: The antenna device includes a first antenna 11 that includes a first ground terminal 12; a second antenna 18 that includes a second ground terminal 20; a ground conductor 28 to which the first antenna 11 is connected through the first ground terminal 12 and the second antenna 18 is connected through the second ground terminal 20; and a phase shifter 24 that controls a phase difference between a first current ie1 and a second current ie2. The phase shifter 24 controls the phase difference between the first current ie1 and the second current ie2 so that the first current ie1 and the second current ie2 have components to cancel each other.

    摘要翻译: 天线装置包括:第一天线11,其包括第一接地端子12; 包括第二接地端子20的第二天线18; 通过第一接地端子12连接第一天线11和第二天线18的接地导体28通过第二接地端子20连接; 以及控制第一电流ie1和第二电流ie2之间的相位差的移相器24。 移相器24控制第一电流ie1和第二电流ie2之间的相位差,使得第一电流ie1和第二电流ie2具有彼此抵消的组件。

    Antenna apparatus
    5.
    发明授权
    Antenna apparatus 有权
    天线装置

    公开(公告)号:US08482474B2

    公开(公告)日:2013-07-09

    申请号:US12992058

    申请日:2009-05-11

    IPC分类号: H01Q9/28

    摘要: An antenna apparatus that can be miniaturized without causing inference caused by antenna currents to be occurred if the high band of a dual band wireless system is close to the band of another wireless system in a wireless communication apparatus incorporating the dual band wireless system and another wireless system is provided. A first switch 5 blocks passage of a signal of a high band (first frequency) and allows passage of a signal of a low band (second frequency). A second switch 6 blocks passage of a signal of the low band (second frequency) and allows passage of a signal of the high band (first frequency). Accordingly, the antenna apparatus operates as a dipole antenna with no antenna current flowing into a feeder line at the first frequency and operates as a monopole antenna wherein a radiation element and a feeder line making up the dipole antenna becomes a radiation element at the second frequency lower than the first frequency.

    摘要翻译: 如果双波段无线系统的高频带接近无线通信装置中的另一无线系统的频带,并且将双频无线系统与另一无线系统相结合,则能够小型化而不引起天线电流引起的推论的天线装置 系统。 第一开关5阻止高频带(第一频率)的信号的通过并允许低频(第二频率)的信号通过。 第二开关6阻止低频信号(第二频率)的通过并允许高频段(第一频率)的信号通过。 因此,天线装置作为偶极天线工作,没有天线电流以第一频率流入馈线,并且作为单极天线工作,其中构成偶极天线的辐射元件和馈电线成为第二频率的辐射元件 低于第一频率。

    ANTENNA APPARATUS
    6.
    发明申请
    ANTENNA APPARATUS 有权
    天线装置

    公开(公告)号:US20110122039A1

    公开(公告)日:2011-05-26

    申请号:US12992058

    申请日:2009-05-11

    IPC分类号: H01Q9/16 H01Q1/50 H01Q21/00

    摘要: An antenna apparatus that can be miniaturized without causing inference caused by antenna currents to be occurred if the high band of a dual band wireless system is close to the band of another wireless system in a wireless communication apparatus incorporating the dual band wireless system and another wireless system is provided. A first switch 5 blocks passage of a signal of a high band (first frequency) and allows passage of a signal of a low band (second frequency). A second switch 6 blocks passage of a signal of the low band (second frequency) and allows passage of a signal of the high band (first frequency). Accordingly, the antenna apparatus operates as a dipole antenna with no antenna current flowing into a feeder line at the first frequency and operates as a monopole antenna wherein a radiation element and a feeder line making up the dipole antenna becomes a radiation element at the second frequency lower than the first frequency.

    摘要翻译: 如果双波段无线系统的高频带接近无线通信装置中的另一无线系统的频带,并且其中包括双频无线系统和另一无线系统的天线装置可以小型化而不引起由天线电流引起的推断 系统。 第一开关5阻止高频带(第一频率)的信号的通过并允许低频(第二频率)的信号通过。 第二开关6阻止低频信号(第二频率)的通过并允许高频段(第一频率)的信号通过。 因此,天线装置作为偶极天线工作,没有天线电流以第一频率流入馈线,并且作为单极天线工作,其中构成偶极天线的辐射元件和馈电线成为第二频率的辐射元件 低于第一频率。