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    • 2. 发明申请
    • Voltage Controlled Oscillator Capable of Tuning Negative Resistance
    • 调节负电阻的压控振荡器
    • US20080309419A1
    • 2008-12-18
    • US12096062
    • 2005-12-07
    • Yong-Deuk LeeCheol-Oh JeongJong-Won EunSeong-Pal LeeHo-Jin Lee
    • Yong-Deuk LeeCheol-Oh JeongJong-Won EunSeong-Pal LeeHo-Jin Lee
    • H03B7/14
    • H03B7/143H03B5/30
    • Provided is a voltage controlled oscillator having a new type of a resonator and a negative resistance part capable of finely tuning negative resistance. Thus, the voltage controlled oscillator has an excellent quality factor characteristic and can finely tune the negative resistance even after its fabrication is completed. The voltage controlled oscillator having an active element includes: a resonating unit for generating an oscillation frequency according to a resonance capacitance; a frequency tuning unit, connected to a source terminal of the active element, for tuning the oscillation frequency; and a negative resistance adjusting unit, connected to the frequency tuning unit, for generating a negative resistance to adjust the oscillation frequency, the negative resistance adjusting unit including a varactor diode for finely adjusting the negative resistance.
    • 提供了具有新型谐振器的压控振荡器和能够微调负电阻的负电阻部分。 因此,压控振荡器具有优异的品质因数特性,并且即使在其制造完成之后也可以微调负电阻。 具有有源元件的压控振荡器包括:谐振单元,用于根据谐振电容产生振荡频率; 频率调谐单元,连接到有源元件的源极端子,用于调谐振荡频率; 负电阻调节单元,连接到频率调谐单元,用于产生负电阻以调节振荡频率,负电阻调节单元包括用于精细调节负电阻的变容二极管。
    • 4. 发明授权
    • Voltage controlled oscillator capable of tuning negative resistance
    • 压控振荡器可调谐负电阻
    • US07760038B2
    • 2010-07-20
    • US12096062
    • 2005-12-07
    • Yong-Deuk LeeCheol-Oh JeongJong-Won EunSeong-Pal LeeHo-Jin Lee
    • Yong-Deuk LeeCheol-Oh JeongJong-Won EunSeong-Pal LeeHo-Jin Lee
    • H03B5/00H03B5/18
    • H03B7/143H03B5/30
    • Provided is a voltage controlled oscillator having a new type of a resonator and a negative resistance part capable of finely tuning negative resistance. Thus, the voltage controlled oscillator has an excellent quality factor characteristic and can finely tune the negative resistance even after its fabrication is completed. The voltage controlled oscillator having an active element includes: a resonating unit for generating an oscillation frequency according to a resonance capacitance; a frequency tuning unit, connected to a source terminal of the active element, for tuning the oscillation frequency; and a negative resistance adjusting unit, connected to the frequency tuning unit, for generating a negative resistance to adjust the oscillation frequency, the negative resistance adjusting unit including a varactor diode for finely adjusting the negative resistance.
    • 提供了具有新型谐振器的压控振荡器和能够微调负电阻的负电阻部分。 因此,压控振荡器具有优异的品质因数特性,并且即使在其制造完成之后也可以微调负电阻。 具有有源元件的压控振荡器包括:谐振单元,用于根据谐振电容产生振荡频率; 频率调谐单元,连接到有源元件的源极端子,用于调谐振荡频率; 负电阻调节单元,连接到频率调谐单元,用于产生负电阻以调节振荡频率,负电阻调节单元包括用于精细调节负电阻的变容二极管。
    • 6. 发明授权
    • Fault management system using satellite telemetering technology and method thereof
    • 使用卫星遥测技术的故障管理系统及其方法
    • US07843359B2
    • 2010-11-30
    • US11607039
    • 2006-12-01
    • Cheol-Oh JeongYong-Deuk LeeJae-Woo ParkSeong-Pal Lee
    • Cheol-Oh JeongYong-Deuk LeeJae-Woo ParkSeong-Pal Lee
    • G08C19/16
    • H04L12/66
    • A fault management system using a satellite telemetering technology and a method thereof are provided. The fault management system includes: a telemetering sensing unit for collecting telemetering data from target apparatuses, which are installed at a remote location and an unattended location and managed through a satellite, in real time and sensing whether the target apparatuses are malfunctioned or not based on the collected telemetering data; a controlling unit for determining whether the target apparatuses are malfunctioned or not by comparing the telemetering data with unique performance request values for normally driving the target apparatuses, analyzing causes of malfunctions, and storing malfunction data into a malfunction data storing unit; a malfunction data analysis unit for managing the malfunction data stored in the malfunction data storing unit and analyzing the malfunction data; and a display unit for outputting the result of analyzing the malfunction data on a display device.
    • 提供了使用卫星遥测技术的故障管理系统及其方法。 故障管理系统包括:远程测量传感单元,用于从目标设备收集远程测量数据,该遥测数据安装在远程位置和无人值守位置,并通过卫星进行实时管理,并基于以下方式检测目标设备是否发生故障 收集的遥测数据; 控制单元,用于通过将遥测数据与用于正常驱动目标设备的唯一性能请求值进行比较来确定目标设备是否发生故障,分析故障原因并将故障数据存储到故障数据存储单元中; 故障数据分析单元,用于管理存储在故障数据存储单元中的故障数据并分析故障数据; 以及显示单元,用于输出在显示装置上分析故障数据的结果。
    • 7. 发明申请
    • Fault management system using satellite telemetering technology and method thereof
    • 使用卫星遥测技术的故障管理系统及其方法
    • US20070129009A1
    • 2007-06-07
    • US11607039
    • 2006-12-01
    • Cheol-Oh JeongYong-Deuk LeeJae-Woo ParkSeong-Pal Lee
    • Cheol-Oh JeongYong-Deuk LeeJae-Woo ParkSeong-Pal Lee
    • H04B7/185
    • H04L12/66
    • A fault management system using a satellite telemetering technology and a method thereof are provided. The fault management system includes: a telemetering sensing unit for collecting telemetering data from target apparatuses, which are installed at a remote location and an unattended location and managed through a satellite, in real time and sensing whether the target apparatuses are malfunctioned or not based on the collected telemetering data; a controlling unit for determining whether the target apparatuses are malfunctioned or not by comparing the telemetering data with unique performance request values for normally driving the target apparatuses, analyzing causes of malfunctions, and storing malfunction data into a malfunction data storing unit; a malfunction data analysis unit for managing the malfunction data stored in the malfunction data storing unit and analyzing the malfunction data; and a display unit for outputting the result of analyzing the malfunction data on a display device.
    • 提供了使用卫星遥测技术的故障管理系统及其方法。 故障管理系统包括:远程测量传感单元,用于从目标设备收集远程测量数据,该遥测数据安装在远程位置和无人值守位置,并通过卫星进行实时管理,并基于以下方式检测目标设备是否发生故障 收集的遥测数据; 控制单元,用于通过将遥测数据与用于正常驱动目标设备的唯一性能请求值进行比较来确定目标设备是否发生故障,分析故障原因并将故障数据存储到故障数据存储单元中; 故障数据分析单元,用于管理存储在故障数据存储单元中的故障数据并分析故障数据; 以及显示单元,用于输出在显示装置上分析故障数据的结果。
    • 8. 发明申请
    • Solar position tracing sensor using thin film pattern of both-sided printed circuit board
    • 太阳能位置跟踪传感器使用双面印刷电路板的薄膜图案
    • US20050133080A1
    • 2005-06-23
    • US10991714
    • 2004-11-17
    • Cheol-Oh JeongJong-Won Eun
    • Cheol-Oh JeongJong-Won Eun
    • G01C21/02F24S23/30F24S50/20G01J1/20G01S3/784G06K7/10
    • F24S50/20F24S23/30G01S3/784Y02E10/47
    • Provided is a solar position tracing sensor having a high resolving power by using a temperature coefficient and heat conductivity of fine patterns on a printed circuit board (PCB). The solar position tracing sensor is reliable and has a wide application ranges for both celestial and terrestrial applications. It can be produced in mass at cheep cost. The solar position tracing sensor includes: a light condenser for condensing and filtering sunlight; a PCB having light reception patterns on the top and bottom surfaces; a heat protection plate for preventing the temperature of the entire PCB from being increased; a reference voltage supplier for providing a reference voltage source to find out a specific light reception pattern whose temperature is increased from radiation of the sunlight; and a voltmeter for measuring alteration in voltage based on the alteration in a temperature coefficient of the light reception pattern with increased temperature.
    • 提供了一种通过使用印刷电路板(PCB)上的精细图案的温度系数和导热率具有高分辨能力的太阳能位置跟踪传感器。 太阳位置跟踪传感器是可靠的,具有广泛的应用范围,适用于天文和地面应用。 它可以以大量的成本生产。 太阳位置跟踪传感器包括:用于冷凝和过滤阳光的光聚光器; 在顶表面和底表面上具有光接收图案的PCB; 用于防止整个PCB的温度升高的热保护板; 参考电压供应器,用于提供参考电压源以找出温度从太阳光辐射增加的特定光接收图案; 以及用于基于随着温度升高的光接收图案的温度系数的变化来测量电压变化的电压表。
    • 9. 发明授权
    • Solar position tracing sensor using thin film pattern of both-sided printed circuit board
    • 太阳能位置跟踪传感器使用双面印刷电路板的薄膜图案
    • US07164109B2
    • 2007-01-16
    • US10991714
    • 2004-11-17
    • Cheol-Oh JeongJong-Won Eun
    • Cheol-Oh JeongJong-Won Eun
    • G01C21/02
    • F24S50/20F24S23/30G01S3/784Y02E10/47
    • Provided is a solar position tracing sensor having a high resolving power by using a temperature coefficient and heat conductivity of fine patterns on a printed circuit board (PCB). The solar position tracing sensor is reliable and has a wide application ranges for both celestial and terrestrial applications. It can be produced in mass at cheep cost. The solar position tracing sensor includes: a light condenser for condensing and filtering sunlight; a PCB having light reception patterns on the top and bottom surfaces; a heat protection plate for preventing the temperature of the entire PCB from being increased; a reference voltage supplier for providing a reference voltage source to find out a specific light reception pattern whose temperature is increased from radiation of the sunlight; and a voltmeter for measuring alteration in voltage based on the alteration in a temperature coefficient of the light reception pattern with increased temperature.
    • 提供了一种通过使用印刷电路板(PCB)上的精细图案的温度系数和导热率具有高分辨能力的太阳能位置跟踪传感器。 太阳位置跟踪传感器是可靠的,具有广泛的应用范围,适用于天文和地面应用。 它可以以大量的成本生产。 太阳位置跟踪传感器包括:用于冷凝和过滤阳光的光聚光器; 在顶表面和底表面上具有光接收图案的PCB; 用于防止整个PCB的温度升高的热保护板; 参考电压供应器,用于提供参考电压源以找出温度从太阳光辐射增加的特定光接收图案; 以及用于基于随着温度升高的光接收图案的温度系数的变化来测量电压变化的电压表。