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    • 5. 发明授权
    • High power efficiency optical-wireless transmitter
    • 大功率光纤无线发射机
    • US08311413B2
    • 2012-11-13
    • US12532521
    • 2008-03-21
    • Yong-Il JunWang-Joo LeeTae-Joon ParkYoung-Boo Kim
    • Yong-Il JunWang-Joo LeeTae-Joon ParkYoung-Boo Kim
    • H04B10/00H04B14/04H04L27/00
    • H04B10/11
    • Provided is a high power efficiency optical-wireless transmitter capable of solving problems of low power efficiency, signal distortion due to non-linearity of output, large number of connection terminals, and non-uniformity of optical power intensities of optical sources. The high power efficiency optical wireless transmitter includes: an amplitude-to-array coder converting an amplitude of an electric signal input from a baseband modulator into optical source control signals so as to generate an optical output power corresponding to the electric signal; optical source driver groups driving optical sources based on the optical source control signals of the amplitude-to-array coder; and MMRS (modified mixed radix system) or MMRR (modified mixed radix system with Redundancy) optical source group driven by the optical source driver groups to generate various optical power intensities.
    • 提供了能够解决低功率效率,由于输出的非线性,大量的连接端子引起的信号失真以及光源的光功率强度的不均匀性的高功率效率的光无线发射机。 高功率光无线发射机包括:幅度阵列编码器,将从基带调制器输入的电信号的幅度转换成光源控制信号,以产生对应于电信号的光输出功率; 光源驱动器组基于幅度阵列编码器的光源控制信号驱动光源; 和MMRS(改进的混合系统)或由光源驱动器组驱动的MMRR(具有冗余的修改的混合系统)光源组,以产生各种光功率强度。
    • 7. 发明申请
    • RADIO FREQUENCY DEVICE
    • 无线电频率设备
    • US20100134208A1
    • 2010-06-03
    • US12495579
    • 2009-06-30
    • Chull Won JUJonghyurk ParkYong Il JunHee-Bum Jung
    • Chull Won JUJonghyurk ParkYong Il JunHee-Bum Jung
    • H03H9/02
    • H03H9/02417Y10S977/732Y10S977/742Y10S977/932Y10S977/949
    • An RF device is provided. The RF device includes a vibratile carbon nanotube having a nanotube natural frequency (f0), a negative electrode fixed to a first end of the carbon nanotube, a vibratile tuning electrode having a variable resonance frequency and facing a second end of the carbon nanotube, and a positive electrode electrically connected to a first end of the tuning electrode. A second end of the tuning electrode is adjacent to the second end of the carbon nanotube, and the carbon nanotube vibrates at a carrier frequency according to an external electromagnetic wave having the carrier frequency, and the tuning electrode having variable resonance frequency characteristics amplifies distance variation between the second end of the carbon nanotube and the second end of the tuning electrode to increase an electron emission sensitivity according to field emission.
    • 提供RF设备。 RF装置包括具有纳米管固有频率(f0)的振动性碳纳米管,固定在碳纳米管的第一端的负极,具有可变谐振频率且面向碳纳米管的第二端的振动调谐电极,以及 电极连接到调谐电极的第一端的正电极。 调谐电极的第二端与碳纳米管的第二端相邻,并且碳纳米管根据具有载波频率的外部电磁波以载波频率振动,并且具有可变谐振频率特性的调谐电极放大距离变化 在碳纳米管的第二端和调谐电极的第二端之间,以根据场发射增加电子发射灵敏度。
    • 8. 发明申请
    • HIGH POWER EFFICIENCY OPTICAL-WIRELESS TRANSMITTER
    • 高功率光纤无线发射机
    • US20100092180A1
    • 2010-04-15
    • US12532521
    • 2008-03-21
    • Yong-Il JunWang-Joo LeeTae-Joon ParkYoung-Boo Kim
    • Yong-Il JunWang-Joo LeeTae-Joon ParkYoung-Boo Kim
    • H04B10/00
    • H04B10/11
    • Provided is a high power efficiency optical-wireless transmitter capable of solving problems of low power efficiency, signal distortion due to non-linearity of output, large number of connection terminals, and non-uniformity of optical power intensities of optical sources. The high power efficiency optical wireless transmitter includes: an amplitude-to-array coder converting an amplitude of an electric signal input from a baseband modulator into optical source control signals so as to generate an optical output power corresponding to the electric signal; optical source driver groups driving optical sources based on the optical source control signals of the amplitude-to-array coder; and MMRS (modified mixed radix system) or MMRR (modified mixed radix system with Redundancy) optical source group driven by the optical source driver groups to generate various optical power intensities.
    • 提供了能够解决低功率效率,由于输出的非线性,大量的连接端子引起的信号失真以及光源的光功率强度的不均匀性的高功率效率的光无线发射机。 高功率光无线发射机包括:幅度阵列编码器,将从基带调制器输入的电信号的幅度转换成光源控制信号,以产生对应于电信号的光输出功率; 光源驱动器组基于幅度阵列编码器的光源控制信号驱动光源; 和MMRS(改进的混合系统)或由光源驱动器组驱动的MMRR(具有冗余的修改的混合系统)光源组,以产生各种光功率强度。