Wireless communication system for time division duplex
    3.
    发明授权
    Wireless communication system for time division duplex 有权
    无线通信系统,用于时分双工

    公开(公告)号:US07778208B2

    公开(公告)日:2010-08-17

    申请号:US12191173

    申请日:2008-08-13

    IPC分类号: H04J3/00 H04L5/14 H04B1/44

    CPC分类号: H04B1/006

    摘要: Disclosed is a wireless communication system applicable to a time-division duplex transceiver system. The time-division duplex mobile communication system can achieve miniaturization, low power consumption and low costs by using a frequency conversion circuit including a mixer and an intermediate frequency (IF) circuit for both transmitter and receiver, and also can cope with multi-band, multi-application systems by using a broadband amplifier, a variable IF filter and a variable gain amplifier.

    摘要翻译: 公开了适用于时分双工收发器系统的无线通信系统。 时分双工移动通信系统可以通过使用包括发射机和接收机的混频器和中频(IF)电路的频率转换电路来实现小型化,低功耗和低成本,并且还可以应付多频带, 通过使用宽带放大器,可变IF滤波器和可变增益放大器的多应用系统。

    WIRELESS COMMUNICATION SYSTEM FOR TIME DIVISION DUPLEX
    4.
    发明申请
    WIRELESS COMMUNICATION SYSTEM FOR TIME DIVISION DUPLEX 有权
    无线通信系统,用于时分双工

    公开(公告)号:US20090213768A1

    公开(公告)日:2009-08-27

    申请号:US12191173

    申请日:2008-08-13

    IPC分类号: H04J3/00

    CPC分类号: H04B1/006

    摘要: Disclosed is a wireless communication system applicable to a time-division duplex transceiver system. The time-division duplex mobile communication system can achieve miniaturization, low power consumption and low costs by using a frequency conversion circuit including a mixer and an intermediate frequency (IF) circuit for both transmitter and receiver, and also can cope with multi-band, multi-application systems by using a broadband amplifier, a variable IF filter and a variable gain amplifier.

    摘要翻译: 公开了适用于时分双工收发器系统的无线通信系统。 时分双工移动通信系统可以通过使用包括发射机和接收机的混频器和中频(IF)电路的频率转换电路来实现小型化,低功耗和低成本,并且还可以应付多频带, 通过使用宽带放大器,可变IF滤波器和可变增益放大器的多应用系统。

    APPARATUS AND METHOD FOR SENSING CAPACITANCE, AND TOUCH SCREEN APPARATUS
    6.
    发明申请
    APPARATUS AND METHOD FOR SENSING CAPACITANCE, AND TOUCH SCREEN APPARATUS 有权
    感应电容的装置和方法以及触摸屏设备

    公开(公告)号:US20130321326A1

    公开(公告)日:2013-12-05

    申请号:US13597573

    申请日:2012-08-29

    IPC分类号: G06F3/044

    CPC分类号: G06F3/044 G06F3/0416

    摘要: There are provided an apparatus for sensing capacitance, a method for sensing capacitance, and a touch screen apparatus. The apparatus for sensing capacitance includes; a driving circuit unit applying driving signals to a first capacitor; an integration circuit unit including a second capacitor and a third capacitor respectively charged by a change in capacitance generated in the first capacitor based on the driving signals to generate a predetermined output voltage and calculating a voltage difference between the output voltage of the second capacitor and the output voltage of the third capacitor; and a control unit determining characteristics of a noise signal based on the voltage difference and controlling the driving signals based on the characteristics of the noise signal.

    摘要翻译: 提供了用于感测电容的装置,用于感测电容的方法和触摸屏装置。 用于感测电容的装置包括: 将驱动信号施加到第一电容器的驱动电路单元; 积分电路单元,其包括基于所述驱动信号分别由所述第一电容器中产生的电容变化而充电的第二电容器和第三电容器,以产生预定的输出电压,并计算所述第二电容器的输出电压与 第三电容器的输出电压; 以及控制单元,其基于所述电压差来确定噪声信号的特性,并且基于所述噪声信号的特性来控制所述驱动信号。

    MULTI-BAND AMPLIFIER AND METHOD OF AMPLIFYING MULTI-BAND
    7.
    发明申请
    MULTI-BAND AMPLIFIER AND METHOD OF AMPLIFYING MULTI-BAND 有权
    多带放大器和放大多带的方法

    公开(公告)号:US20130069722A1

    公开(公告)日:2013-03-21

    申请号:US13598512

    申请日:2012-08-29

    IPC分类号: H03F3/45 H03F1/22

    摘要: Provided is a multi-band amplifier and a method of amplifying a multi-band. The multi-band amplifier includes a wireless signal input terminal into which a first frequency band signal and a second frequency band signal are input, a first impedance matching part connected to the wireless signal input terminal and configured to match an input impedance in a first frequency band, a second impedance matching part connected to the wireless signal input terminal and configured to match an input impedance in a second frequency band, a common source amplifier to which the first impedance matching part and the second impedance matching part, and a common gate amplifier connected to the common source amplifier. Accordingly, performance degradation can be reduced in comparison with a conventional amplifier, broadband amplification as well as narrow band amplification can be performed, and an amplification gain can be adjusted.

    摘要翻译: 提供了一种多频带放大器和放大多频带的方法。 多频带放大器包括:无线信号输入端子,其中输入第一频带信号和第二频带信号;第一阻抗匹配部分,连接到无线信号输入端子,并且被配置为使第一频率的输入阻抗匹配 频带,第二阻抗匹配部分,连接到无线信号输入端并被配置为匹配第二频带中的输入阻抗,第一阻抗匹配部分和第二阻抗匹配部分的公共源放大器,以及公共栅极放大器 连接到公共源放大器。 因此,与传统的放大器相比,可以降低性能下降,可以进行宽带放大以及窄带放大,并且可以调节放大增益。

    POWER AMPLIFICATION MODULE FOR MOBILE COMMUNICATION TERMINAL
    8.
    发明申请
    POWER AMPLIFICATION MODULE FOR MOBILE COMMUNICATION TERMINAL 审中-公开
    用于移动通信终端的功率放大模块

    公开(公告)号:US20110143821A1

    公开(公告)日:2011-06-16

    申请号:US12714118

    申请日:2010-02-26

    IPC分类号: H04M1/00

    CPC分类号: H03F1/223 H03F3/602

    摘要: Disclosed herein is a power amplification module for a mobile communication terminal. The power amplification module includes a balanced power amplifier configured to divide an input signal using a phase difference, amplify resulting signals, and combine the amplified signals with each other, and a transmission power detection unit connected to an isolation terminal formed on an output side of the balanced power amplifier and configured to amplify a micro-power signal, which is transmitted to the isolation terminal from an outside of the transmission power detection unit, and to transmit the amplified signal. Accordingly, since the detection signal to input terminal and detection signal output terminal of a transmission power detection unit can be easily implemented using an internal circuit, the entire size of the power amplification module can be reduced. Further, characteristic of isolation between the detection signal input terminal and the detection signal output terminal can be improved.

    摘要翻译: 这里公开了一种用于移动通信终端的功率放大模块。 功率放大模块包括:平衡功率放大器,被配置为使用相位差来分割输入信号,放大所产生的信号,并将放大的信号相互组合;以及发送功率检测单元,连接到形成在输出侧的隔离端子 所述平衡功率放大器被配置为放大从所述发送功率检测单元的外部传送到所述隔离端子的微功率信号,并发送所述放大信号。 因此,由于可以使用内部电路容易地实现发送功率检测单元的输入端子和检测信号输出端子的检测信号,因此可以减小功率放大模块的整体尺寸。 此外,可以提高检测信号输入端子与检测信号输出端子之间的隔离特性。

    Capacitance sensing apparatus and method, and touch screen apparatus
    9.
    发明授权
    Capacitance sensing apparatus and method, and touch screen apparatus 有权
    电容式感测装置和方法以及触摸屏装置

    公开(公告)号:US09170679B2

    公开(公告)日:2015-10-27

    申请号:US13613500

    申请日:2012-09-13

    IPC分类号: G06F3/044 G06F3/041 H03K17/96

    摘要: There is provided a capacitance sensing apparatus including: a driving circuit unit applying a driving signal to a first capacitor; a first integrating circuit unit including a second capacitor charged by a change in capacitance generated in the first capacitor based on the driving signal to generate a first output voltage; and a second integrating circuit unit including a third capacitor charged by a change in capacitance generated in the second capacitor to generate a second output voltage, wherein a level of the second output voltage is changed at least twice during a single period of the driving signal applied to the first capacitor.

    摘要翻译: 提供了一种电容感测装置,包括:驱动电路单元,将驱动信号施加到第一电容器; 第一积分电路单元,其包括通过基于所述驱动信号在所述第一电容器中产生的电容的变化而充电的第二电容器,以产生第一输出电压; 以及第二积分电路单元,包括通过在第二电容器中产生的电容变化而充电的第三电容器,以产生第二输出电压,其中在施加的驱动信号的单个周期期间,第二输出电压的电平至少改变两次 到第一个电容器。

    Multi-band amplifier and method of amplifying multi-band
    10.
    发明授权
    Multi-band amplifier and method of amplifying multi-band 有权
    多频段放大器和多频段放大方法

    公开(公告)号:US08830000B2

    公开(公告)日:2014-09-09

    申请号:US13598512

    申请日:2012-08-29

    IPC分类号: H03F1/22

    摘要: Provided is a multi-band amplifier and a method of amplifying a multi-band. The multi-band amplifier includes a wireless signal input terminal into which a first frequency band signal and a second frequency band signal are input, a first impedance matching part connected to the wireless signal input terminal and configured to match an input impedance in a first frequency band, a second impedance matching part connected to the wireless signal input terminal and configured to match an input impedance in a second frequency band, a common source amplifier to which the first impedance matching part and the second impedance matching part, and a common gate amplifier connected to the common source amplifier. Accordingly, performance degradation can be reduced in comparison with a conventional amplifier, broadband amplification as well as narrow band amplification can be performed, and an amplification gain can be adjusted.

    摘要翻译: 提供了一种多频带放大器和放大多频带的方法。 多频带放大器包括:无线信号输入端子,其中输入第一频带信号和第二频带信号;第一阻抗匹配部分,连接到无线信号输入端子,并且被配置为使第一频率的输入阻抗匹配 频带,第二阻抗匹配部分,连接到无线信号输入端并被配置为匹配第二频带中的输入阻抗,第一阻抗匹配部分和第二阻抗匹配部分的公共源放大器,以及公共栅极放大器 连接到公共源放大器。 因此,与传统的放大器相比,可以降低性能下降,可以进行宽带放大以及窄带放大,并且可以调节放大增益。