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    • 1. 发明授权
    • AMTEC with heat pipe
    • AMTEC带热管
    • US08253008B2
    • 2012-08-28
    • US12284718
    • 2008-09-24
    • Ki-Woo LeeWon-Pyo Chun
    • Ki-Woo LeeWon-Pyo Chun
    • H01L35/30H01L35/00H01L35/28H01M6/36H01M2/38H01M4/36H01M10/50
    • H01G9/21F28D15/02F28D15/0275F28D15/046H01M8/04671H02N3/00
    • There is provided an AMTEC (alkali metal thermal-electric converter) with a heat pipe and more particularly, to an AMTEC with a heat pipe minimized a heating part and a condensation part of the AMTEC and improved in efficiency of thermal to electric conversion through installing the heating and cooling heat pipes in the AMTEC, in which a metal fluid is heated by latent heat of an operating fluid of the heat pipe, instead of the heat conduction from a heat source, thereby reducing a temperature difference needed for heat transfer to vaporize the metal fluid even by a heat source of a lower temperature than a conventional heat source; improving a cooling performance in a condensation part to result in the high efficiency of thermal to electric conversion; using no additional driving components for driving the heat pipe.
    • 提供了具有热管的AMTEC(碱金属热电转换器),更具体地说,涉及具有热管的AMTEC使AMTEC的加热部和冷凝部最小化,并且通过安装来提高热电转换的效率 AMTEC中的加热和冷却热管,其中金属流体被热管的工作流体的潜热加热而不是来自热源的热传导,从而减少热传递所需的温度差 金属流体甚至通过比传统热源温度较低的热源; 提高冷凝部件的冷却性能,实现热电转换的高效率; 不需要额外的驱动部件来驱动热管。
    • 2. 发明申请
    • Compact zoom lens
    • 紧凑型变焦镜头
    • US20060245075A1
    • 2006-11-02
    • US11248740
    • 2005-10-12
    • Ki-woo Lee
    • Ki-woo Lee
    • G02B15/14
    • G02B15/177
    • A compact zoom lens suitable for an imaging optical system using a solid-state image sensing device is provided. The zoom lens includes a first lens group having a negative refractive power, a second lens group having a positive refractive power, and a third lens group having a positive refractive power. The first through third lens groups are sequentially arranged from an object side toward an image side. The first, second, and third lens groups move when magnification changes from the wide-angle position to the telephoto position, and a refractive index G1n of at least one lens element included in the first lens group satisfies 1.90
    • 提供了适用于使用固态图像感测装置的成像光学系统的紧凑型变焦透镜。 变焦透镜包括具有负折光力的第一透镜组,具有正折光力的第二透镜组和具有正折光力的第三透镜组。 第一至第三透镜组从物体侧朝向像侧顺序排列。 当放大率从广角位置变化到远摄位置时,第一,第二和第三透镜组移动,并且包括在第一透镜组中的至少一个透镜元件的折射率G1n满足1.90
    • 4. 发明授权
    • Zoom lens system
    • 变焦镜头系统
    • US07791818B2
    • 2010-09-07
    • US12316642
    • 2008-12-15
    • Ki-woo Lee
    • Ki-woo Lee
    • G02B15/14G02B27/64
    • G02B15/173
    • A zoom lens system includes, arranged sequentially from an object side, a first lens group including at least one reflective optical member changing the optical path of an incident light ray, and having positive refractive power; a second lens group having negative refractive power; a third lens group having positive refractive power; and a fourth lens group having positive refractive power, and during a magnification change from a wide-angle position to a telephoto position, the first lens group and the third lens group are not moved, the second lens group is moved from the object side towards an image side, and the fourth lens group is linearly moved from the image side towards the object side.
    • 变焦透镜系统包括:从物体侧依次布置第一透镜组,第一透镜组包括改变入射光线的光路并且具有正折射光焦度的至少一个反射光学部件; 具有负屈光力的第二透镜组; 具有正折射力的第三透镜组; 以及具有正折射力的第四透镜组,并且在从广角位置到远摄位置的放大率变化期间,第一透镜组和第三透镜组不移动,第二透镜组从物体侧朝向 图像侧,第四透镜组从图像侧向物体侧线性移动。
    • 8. 发明授权
    • Compact zoom lens
    • 紧凑型变焦镜头
    • US07365912B2
    • 2008-04-29
    • US11248740
    • 2005-10-12
    • Ki-woo Lee
    • Ki-woo Lee
    • G02B15/14G02B3/02
    • G02B15/177
    • A compact zoom lens suitable for an imaging optical system using a solid-state image sensing device is provided. The zoom lens includes a first lens group having a negative refractive power, a second lens group having a positive refractive power, and a third lens group having a positive refractive power. The first through third lens groups are sequentially arranged from an object side toward an image side. The first, second, and third lens groups move when magnification changes from the wide-angle position to the telephoto position, and a refractive index G1n of at least one lens element included in the first lens group satisfies 1.90
    • 提供了适用于使用固态图像感测装置的成像光学系统的紧凑型变焦透镜。 变焦透镜包括具有负折光力的第一透镜组,具有正折光力的第二透镜组和具有正折光力的第三透镜组。 第一至第三透镜组从物体侧朝向像侧顺序排列。 当放大率从广角位置变化到远摄位置时,第一,第二和第三透镜组移动,并且包括在第一透镜组中的至少一个透镜元件的折射率G1n满足1.90
    • 9. 发明申请
    • Amtec with heat pipe
    • Amtec带热管
    • US20110168222A1
    • 2011-07-14
    • US12284718
    • 2008-09-24
    • Ki-Woo LeeWon-Pyo Chun
    • Ki-Woo LeeWon-Pyo Chun
    • H01L35/30
    • H01G9/21F28D15/02F28D15/0275F28D15/046H01M8/04671H02N3/00
    • There is provided an AMTEC (alkali metal thermal-electric converter) with a heat pipe and more particularly, to an AMTEC with a heat pipe minimized a heating part and a condensation part of the AMTEC and improved in efficiency of thermal to electric conversion through installing the heating and cooling heat pipes in the AMTEC, in which a metal fluid is heated by latent heat of an operating fluid of the heat pipe, instead of the heat conduction from a heat source, thereby reducing a temperature difference needed for heat transfer to vaporize the metal fluid even by a heat source of a lower temperature than a conventional heat source; improving a cooling performance in a condensation part to result in the high efficiency of thermal to electric conversion; using no additional driving components for driving the heat pipe.
    • 提供了具有热管的AMTEC(碱金属热电转换器),更具体地说,涉及具有热管的AMTEC使AMTEC的加热部和冷凝部最小化,并且通过安装来提高热电转换的效率 AMTEC中的加热和冷却热管,其中金属流体被热管的工作流体的潜热加热而不是来自热源的热传导,从而减少热传递所需的温度差 金属流体甚至通过比传统热源温度较低的热源; 提高冷凝部件的冷却性能,实现热电转换的高效率; 不需要额外的驱动部件来驱动热管。
    • 10. 发明申请
    • Zoom lens system
    • 变焦镜头系统
    • US20090161228A1
    • 2009-06-25
    • US12316642
    • 2008-12-15
    • Ki-woo Lee
    • Ki-woo Lee
    • G02B15/14
    • G02B15/173
    • A zoom lens system includes, arranged sequentially from an object side, a first lens group including at least one reflective optical member changing the optical path of an incident light ray, and having positive refractive power; a second lens group having negative refractive power; a third lens group having positive refractive power; and a fourth lens group having positive refractive power, and during a magnification change from a wide-angle position to a telephoto position, the first lens group and the third lens group are not moved, the second lens group is moved from the object side towards an image side, and the fourth lens group is linearly moved from the image side towards the object side.
    • 变焦透镜系统包括:从物体侧依次布置第一透镜组,第一透镜组包括改变入射光线的光路并且具有正折射光焦度的至少一个反射光学部件; 具有负屈光力的第二透镜组; 具有正折射力的第三透镜组; 以及具有正折射力的第四透镜组,并且在从广角位置到远摄位置的放大率变化期间,第一透镜组和第三透镜组不移动,第二透镜组从物体侧朝向 图像侧,第四透镜组从图像侧向物体侧线性移动。