会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • RFID system and method for removing transmission leakage signal thereof
    • RFID系统及其去除其传输泄漏信号的方法
    • US08749354B2
    • 2014-06-10
    • US13103923
    • 2011-05-09
    • Yeong Chan Kim
    • Yeong Chan Kim
    • H04Q5/22G08B13/14H04B1/00H04B1/06H04B1/16H04B1/18
    • G06K7/0008
    • Disclosed is an RFID system that includes a controller that outputs the transmission signal to be transmitted to an RFID tag and reads a receiving signal transmitted from the RFID tag; a leakage signal canceller that receives a portion of the transmission signal and the receiving signal, and performs an adjustment task to generate a cancellation signal according to an adjustment value and the portion of the transmission signal to remove a transmission leakage signal and to remove the transmission leakage signal included in the receiving signal; and a reader controller that determines whether there is a change of an RF environment using an intensity of the receiving signal according in a period set in advance, controls an operation of the leakage signal canceller according to the change of the RF environment, and controls an operation of the controller to read the receiving signal transmitted from the RFID tag.
    • 公开了一种RFID系统,其包括输出要发送到RFID标签的发送信号并读​​取从RFID标签发送的接收信号的控制器; 泄漏信号消除器,其接收所述发送信号和接收信号的一部分,并且执行调整任务以根据调整值和所述发送信号的所述部分生成消除信号,以去除发送泄漏信号并去除所述发送 包含在接收信号中的泄漏信号; 以及读取器控制器,其根据预先设定的期间,使用接收信号的强度来判定是否存在RF环境的变化,根据RF环境的变化来控制泄漏信号消除器的动作, 操作控制器读取从RFID标签发送的接收信号。
    • 4. 发明申请
    • VECTOR MODULATOR USING TIME DELAY AND PHASE SHIFTER
    • 使用时间延迟和相位偏移的矢量调制器
    • US20120229227A1
    • 2012-09-13
    • US13042376
    • 2011-03-07
    • Heon Soo ChoiChang Su ChoiHyung Jun JeonYeong Chan KimJae Hwan ImJin Kuk Hong
    • Heon Soo ChoiChang Su ChoiHyung Jun JeonYeong Chan KimJae Hwan ImJin Kuk Hong
    • H03C3/00
    • H03C5/00H03C2200/0058
    • An vector modulator using a time delay and a phase shifter is disclosed, the vector modulator including a time delay (110) varying a phase of an input signal by time-delaying the input signal; a first coupler (120) converting the signal outputted in changed phase through the time delay to an I channel signal and a Q channel signal each having a 90° phase difference and outputting the I/Q channel signals; a first phase shifter (130) varying the phase of the I channel signal outputted from the first coupler within a predetermined phase range and outputting the phase-variable I channel signal; a second phase shifter (140) varying the Q channel signal outputted from the first coupler within a predetermined phase range and outputting the phase-variable Q channel signal; and a second coupler (150) coupling phase-variable I/Q channel signals and outputting the coupled signals.
    • 公开了使用时间延迟和移相器的矢量调制器,该矢量调制器包括通过对输入信号进行时间延迟来改变输入信号的相位的时间延迟(110); 第一耦合器(120),将经改变的相位输出的信号通过时间延迟转换为具有90°相位差的I信道信号和Q信道信号,并输出I / Q信道信号; 第一移相器(130),在预定相位范围内改变从第一耦合器输出的I信道信号的相位,并输出相位变量I信道信号; 第二移相器(140),在预定相位范围内改变从第一耦合器输出的Q信道信号,并输出相位可变Q信道信号; 以及耦合相变I / Q信道信号并输出​​耦合信号的第二耦合器(150)。
    • 5. 发明申请
    • RFID SYSTEM AND METHOD FOR REMOVING TRANSMISSION LEAKAGE SIGNAL THEREOF
    • 用于去除传输泄漏信号的RFID系统和方法
    • US20110279234A1
    • 2011-11-17
    • US13103923
    • 2011-05-09
    • Yeong Chan KIM
    • Yeong Chan KIM
    • H04Q5/22
    • G06K7/0008
    • Disclosed is an RFID system that includes a controller that outputs the transmission signal to be transmitted to an RFID tag and reads a receiving signal transmitted from the RFID tag; a leakage signal canceller that receives a portion of the transmission signal and the receiving signal, and performs an adjustment task to generate a cancellation signal according to an adjustment value and the portion of the transmission signal to remove a transmission leakage signal and to remove the transmission leakage signal included in the receiving signal; and a reader controller that determines whether there is a change of an RF environment using an intensity of the receiving signal according in a period set in advance, controls an operation of the leakage signal canceller according to the change of the RF environment, and controls an operation of the controller to read the receiving signal transmitted from the RFID tag.
    • 公开了一种RFID系统,其包括输出要发送到RFID标签的发送信号并读​​取从RFID标签发送的接收信号的控制器; 泄漏信号消除器,其接收所述发送信号和接收信号的一部分,并且执行调整任务以根据调整值和所述发送信号的所述部分生成消除信号,以去除发送泄漏信号并去除所述发送 包含在接收信号中的泄漏信号; 以及读取器控制器,其根据预先设定的期间,使用接收信号的强度来判定是否存在RF环境的变化,根据RF环境的变化来控制泄漏信号消除器的动作, 操作控制器读取从RFID标签发送的接收信号。
    • 8. 发明授权
    • Vector modulator using time delay and phase shifter
    • 矢量调制器使用时延和移相器
    • US08400229B2
    • 2013-03-19
    • US13042376
    • 2011-03-07
    • Heon soo ChoiChang su ChoiHyung jun JeonYeong chan KimJae hwan ImJin Kuk Hong
    • Heon soo ChoiChang su ChoiHyung jun JeonYeong chan KimJae hwan ImJin Kuk Hong
    • H03K7/08
    • H03C5/00H03C2200/0058
    • An vector modulator using a time delay and a phase shifter is disclosed, the vector modulator including a time delay (110) varying a phase of an input signal by time-delaying the input signal; a first coupler (120) converting the signal outputted in changed phase through the time delay to an I channel signal and a Q channel signal each having a 90° phase difference and outputting the I/Q channel signals; a first phase shifter (130) varying the phase of the I channel signal outputted from the first coupler within a predetermined phase range and outputting the phase-variable I channel signal; a second phase shifter (140) varying the Q channel signal outputted from the first coupler within a predetermined phase range and outputting the phase-variable Q channel signal; and a second coupler (150) coupling phase-variable I/Q channel signals and outputting the coupled signals.
    • 公开了使用时间延迟和移相器的矢量调制器,该矢量调制器包括通过对输入信号进行时间延迟来改变输入信号的相位的时间延迟(110); 第一耦合器(120),将经改变的相位输出的信号通过时间延迟转换为具有90°相位差的I信道信号和Q信道信号,并输出I / Q信道信号; 第一移相器(130),在预定相位范围内改变从第一耦合器输出的I信道信号的相位,并输出相位变量I信道信号; 第二移相器(140),在预定相位范围内改变从第一耦合器输出的Q信道信号,并输出相位可变Q信道信号; 以及耦合相变I / Q信道信号并输出​​耦合信号的第二耦合器(150)。
    • 9. 发明授权
    • Apparatus for removing transmission leakage signal in RFID system and RFID system having the same
    • 用于去除RFID系统中的传输泄漏信号的设备和具有该传输泄漏信号的RFID系统
    • US08742898B2
    • 2014-06-03
    • US13103929
    • 2011-05-09
    • Yeong Chan Kim
    • Yeong Chan Kim
    • H04Q5/22G08B13/14H04B1/00H04B1/06H04B1/16H04B1/18
    • H04B1/1036H04B1/123H04B1/525
    • Disclosed is an apparatus for removing a transmission leakage signal of an RFID system including a reader controller that sends a transmission signal to an RFID tag and receives a receiving signal transmitted from the RFID tag to read tag information, the apparatus including a leakage signal canceller that receives a portion of the transmission signal and the receiving signal, and performs an adjustment task to generate a cancellation signal according to an adjustment value to remove a transmission leakage signal and the portion of the transmission signal, and to remove the transmission leakage signal included in the receiving signal and a controller that continuously determines whether there is a change of an RF environment using an intensity of the receiving signal, the RFID tag being installed in the RF environment, and controls an operation of the leakage signal canceller according to the change of the RF environment.
    • 公开了一种用于去除RFID系统的传输泄漏信号的装置,包括:读取器控制器,其将发送信号发送到RFID标签并接收从RFID标签发送的接收信号以读取标签信息,该装置包括泄漏信号消除器, 接收发送信号和接收信号的一部分,并且执行调整任务,以根据调整值产生消除信号,以去除发送泄漏信号和发送信号的部分,并且去除包含在发送信号中的发送泄漏信号 接收信号和控制器,其使用接收信号的强度连续地确定RF环境的变化,RFID标签安装在RF环境中,并且根据变化来控制泄漏信号消除器的操作 RF环境。