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    • 2. 发明申请
    • Frequency transceiver for controlling intermediate frequency
    • 用于控制中频的频率收发器
    • US20060121872A1
    • 2006-06-08
    • US11026866
    • 2004-12-30
    • Kyoochang OhSangman MoonHyounkyoung KimInkyu KimSangjong LeeTaesik KimHaechang LeeChanhong Yeom
    • Kyoochang OhSangman MoonHyounkyoung KimInkyu KimSangjong LeeTaesik KimHaechang LeeChanhong Yeom
    • H04B1/26H04B1/18H04B15/00
    • G01S7/4021H03L7/093
    • There is provided a frequency transceiver for automatically controlling a TX/RX IF signal in a radar or a communication system, which transmits/receives an RF signal. The frequency transceiver includes a local oscillator for oscillating a VHF proportional to a VHF oscillation control voltage, a first IF processor for mixing an external RF signal with the VHF signal oscillated by the local oscillator and converting the RF signal into an IF signal proportional to the VHF signal, a second IF processor for mixing the RF signal oscillated by the RF oscillator with the VHF signal oscillated by the local oscillator, converting the RF signal into an IF signal proportional to the VHF signal, and converting the converted IF signal into a voltage, a control signal generator for generating a control signal to control the VHF signal oscillation of the local oscillator according to an output voltage of the second IF processor, and a VHF oscillation controller for outputting the VHF oscillation control voltage to the local oscillator according to the control signal generated from the control signal generator.
    • 提供了用于自动控制雷达或通信系统中的TX / RX IF信号的频率收发器,其发送/接收RF信号。 频率收发器包括用于振荡与VHF振荡控制电压成比例的VHF的本地振荡器,用于将外部RF信号与本地振荡器振荡的VHF信号混合的第一IF处理器,并将RF信号转换为与 VHF信号,用于将由RF振荡器振荡的RF信号与由本地振荡器振荡的VHF信号混频的第二IF处理器,将RF信号转换为与VHF信号成比例的IF信号,并将转换的IF信号转换为电压 控制信号发生器,用于根据第二IF处理器的输出电压产生用于控制本地振荡器的VHF信号振荡的控制信号;以及VHF振荡控制器,用于根据本地振荡器向本地振荡器输出VHF振荡控制电压 从控制信号发生器产生的控制信号。
    • 6. 发明申请
    • Valve operated by differential pressure
    • 阀门由差压器操作
    • US20050126637A1
    • 2005-06-16
    • US10743424
    • 2003-12-23
    • Yunggyo LeeJinwoo LeeDongmin KimWanggu KangSungyuk KimHaechang LeeChanhong Yeom
    • Yunggyo LeeJinwoo LeeDongmin KimWanggu KangSungyuk KimHaechang LeeChanhong Yeom
    • F16K17/02F16K17/04F16K31/08
    • F16K31/084F16K17/04Y10T137/7905
    • A valve operated by differential pressure according to the present invention comprises a valve body, a valve disk, a central link, a link, an elastic member, a member attracted by a magnet, and the magnet; the valve disk being mounted on the valve body, the central link being connected at one end to the valve disk, and opening and closing the valve, the link being connected pivotally at one end to the central link, and making the central link move according to rotation of the link around a link pivot, the elastic member being connected pivotally at one end to the link and fixed pivotally at the other end, and making the link rotate around the link pivot by elastic force of the elastic member, the member being mounted on the other end of the central link, the magnet lying adjacent to the member; the valve being closed tightly without leakage of internal fluid until a predetermined differential pressure is reached, then being opened to the maximum stroke thereof as soon as the predetermined differential pressure is reached, and then being closed again instantly and tightly when the differential pressure is decreased without leakage of internal fluid, by attractive force of the magnet together with elastic force of the elastic member.
    • 根据本发明的通过压差操作的阀包括阀体,阀盘,中心连杆,连杆,弹性构件,被磁体吸引的构件和磁体; 所述阀盘安装在所述阀体上,所述中心连杆一端连接到所述阀盘,并且打开和关闭所述阀,所述连杆在一端可枢转地连接到所述中心连杆,并使所述中心连杆沿着 使链节围绕连杆枢轴旋转,弹性构件在一端可枢转地连接到连杆并且在另一端可枢转地固定,并且使得连杆通过弹性构件的弹力围绕连杆枢轴转动,该构件为 安装在中心连杆的另一端,磁体位于与构件相邻的位置; 在没有内部流体泄漏的情况下,阀被紧密地关闭,直到达到预定的压差,然后一旦达到预定的压差就被打开到其最大冲程,然后当差压减小时再次立即闭合 没有内部流体的泄漏,通过弹性构件的弹力与磁体的吸引力。
    • 7. 发明授权
    • System for polarization tilting and main beam steering of airship antenna using GPS
    • 使用GPS的飞艇天线的偏振倾斜和主波束转向系统
    • US06816114B1
    • 2004-11-09
    • US10743410
    • 2003-12-23
    • Sangman MoonHyounkyoung KimInkyu KimSangjong LeeTaesik KimHaechang LeeChanhong Yeom
    • Sangman MoonHyounkyoung KimInkyu KimSangjong LeeTaesik KimHaechang LeeChanhong Yeom
    • H01Q300
    • H04B7/10G01S19/14G01S19/51H01Q1/1292H01Q1/28
    • The present invention relates to a system for tilting polarization and steering main beam of airship antenna comprises: a 1st GPS receiver, which is located in the airship; a 2nd GPS receiver, which is located in the ground station; an airship antenna database for extracting the radiation pattern information of airship antenna and polarization information according to the posture of the antenna based on the position information of the airship; a ground station antenna database for extracting the radiation pattern information of ground station antenna and polarization information according to the posture of the antenna based on the position information of the ground station; a polarization and main beam direction correction operating device for computing the correction value of polarization and main beam direction of the airship antenna and the ground station antenna based on the position information of the airship and the ground station received from the 1st GPS receiver and the 2nd GPS receiver; and an airship antenna controller for correcting the posture of the airship antenna by controlling tilting the polarization and steering the main beam direction of the airship antenna based on the corrected value received from the polarization and main beam direction correction operating device.
    • 本发明涉及一种用于倾斜偏航的飞行器天线的转向主梁的系统,包括:位于飞艇中的第一GPS接收器; GPS接收器位于地面站; 飞艇天线数据库,用于根据飞艇的位置信息,根据天线的姿势提取飞艇天线的辐射图案信息和偏振信息; 地面站天线数据库,用于根据地面站的位置信息,根据天线的姿势提取地面站天线的辐射图案信息和偏振信息; 基于从第1台GPS接收机接收的飞艇和地面站的位置信息,计算飞艇天线和地面站天线的偏振和主波束方向的校正值的偏振和主波束方向校正操作装置 和2号GPS接收机; 以及飞艇天线控制器,用于通过基于从偏振光束方向校正操作装置接收到的校正值控制飞越天线的偏振和主飞轮方向的倾斜来校正飞艇天线的姿势。