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    • 24. 发明申请
    • Zoom optical system having liquid lens
    • 具有液体透镜的变焦光学系统
    • US20070247727A1
    • 2007-10-25
    • US11730880
    • 2007-04-04
    • Tae Young Kim
    • Tae Young Kim
    • G02B15/14
    • G02B3/14G02B5/04G02B15/177
    • A zoom optical system mountable in an ultra-small camera module. A first lens group is disposed stationary and has a negative refractive power. The first lens group includes at least one lens and a prism for converting the paths of light incident through the lens. A second lens group is disposed movable to execute zooming and has a positive refractive power. A third lens group is disposed stationary and has a positive refractive power. The third lens group includes a liquid lens having a meniscus formed between non-miscible first and second liquids, the first liquid having conductivity and polarity. The meniscus is changed in its radius of curvature in response to voltage application and functions as a refracting surface, by which the third lens group corrects an image plane in accordance with zooming by the second lens group. This allows optimal zooming capacity with high resolution and superior aberrational characteristics.
    • 可安装在超小型相机模块中的变焦光学系统。 第一透镜组被布置成静止并且具有负折光力。 第一透镜组包括至少一个透镜和用于转换通过透镜入射的光的路径的棱镜。 第二透镜组被设置为可移动以执行变焦并且具有正的屈光力。 第三透镜组被设置成静止并具有正的折光力。 第三透镜组包括具有形成在不可混溶的第一和第二液体之间的弯液面的液体透镜,第一液体具有导电性和极性。 弯月面响应于电压施加而改变其曲率半径,并且用作折射表面,第三透镜​​组根据第二透镜组的变焦来校正像平面。 这允许具有高分辨率和优异的像差特性的最佳变焦能力。
    • 25. 发明申请
    • Autofocusing optical system of camera module
    • 相机模块的自动对焦光学系统
    • US20070229970A1
    • 2007-10-04
    • US11730333
    • 2007-03-30
    • Tae Young Kim
    • Tae Young Kim
    • G02B15/14
    • G02B3/14G02B7/282G02B9/34G02B13/004G02B13/006G02B13/0075G02B13/009G02B26/005H04N5/2257
    • An autofocusing optical system of a camera module which can be installed in a subminiature camera module. In the optical system, a first lens group has an overall positive refractive power. A second lens group has an overall negative refractive power. The second lens group includes a liquid lens having a meniscus formed between non-miscible first and second liquids, the first liquid having conductivity and polarity, the meniscus having a curvature radius changing in response to a voltage applied to serve as a refractive surface, thereby autofocusing the optical system, a first cover lens for sealing the liquid lens at an object side and a second cover lens for sealing the liquid lens at an image side. A third lens group has an overall positive refractive power. Also, a fourth lens group has an overall negative refractive power.
    • 相机模块的自动对焦光学系统,可以安装在超小型相机模块中。 在光学系统中,第一透镜组具有总的正折射光焦度。 第二透镜组具有总的负折射光焦度。 第二透镜组包括具有形成在不可混溶的第一和第二液体之间的弯液面的液体透镜,第一液体具有导电性和极性,弯月面的曲率半径响应于施加的电压而变化以用作折射表面,由此 自动对焦光学系统,用于密封物体侧的液体透镜的第一盖透镜和用于在液晶透镜的像侧密封的第二盖透镜。 第三透镜组具有总的正折射光焦度。 此外,第四透镜组具有总的负折射光焦度。
    • 27. 发明授权
    • Infrared gas burner for gas cookers
    • 燃气灶用红外气体燃烧器
    • US5816235A
    • 1998-10-06
    • US868700
    • 1997-06-04
    • Hyung Dae KimUng Tag LimTae Young KimChan Youl Park
    • Hyung Dae KimUng Tag LimTae Young KimChan Youl Park
    • F23D14/14F23D14/64F23N5/02F24C3/00
    • F23D14/64F23D14/14F23N5/02F23D2203/102F23D2900/14125
    • An infrared gas burner for a gas cooker including a mixing tube arranged between a gas valve and a burner unit and adapted to mix gas supplied from the gas valve with air, a support member for supporting a ceramic plate within the burner unit in such a manner that the gas mixture emerging from the mixing tube passes through flame holes of the ceramic plate, a temperature control unit adapted to measure a temperature of flames generated by the burner unit, thereby controlling the amount of gas supplied to the burner unit based on the measured temperature, and a cover unit disposed over the burner unit and adapted to transfer infrared radiant heat and exhaust heat generated at the burner unit to a cooking pot laid thereon. The mixing tube is configured to mix gas with air in an optimum state for the combustion of the gas while uniformly distributing the gas mixture through flame holes of a ceramic plate, the transfer of heat to the body of a burner unit is reduced, thereby minimizing loss of heat. A metal net is disposed over the ceramic plate for achieving a complete gas combustion. Accordingly, it is possible to suppress the generation of noxious gas. A convenience in the cooking process is obtained by the temperature control unit. Accordingly, the infrared gas burner has an improved efficiency and reliability.
    • 一种用于燃气灶的红外线气体燃烧器,包括:配置在气阀和燃烧器单元之间的混合管,用于将从气阀供应的气体与空气混合;支撑构件,用于以这种方式支撑陶瓷板 从混合管出来的气体混合物通过陶瓷板的火焰孔,温度控制单元适于测量由燃烧器单元产生的火焰的温度,从而基于所测量的燃烧器单元控制供应到燃烧器单元的气体量 温度和覆盖单元,其设置在燃烧器单元上方并且适于将在燃烧器单元处产生的红外辐射热和排出的热量转移到放置在其上的烹饪锅。 混合管被配置为在气体燃烧的最佳状态下将气体与空气混合,同时通过陶瓷板的火焰孔均匀地分配气体混合物,减少了向燃烧器单元的主体传递热量,从而最小化 热量损失 金属网布置在陶瓷板上以实现完全的气体燃烧。 因此,可以抑制有害气体的产生。 通过温度控制单元获得烹调过程的便利。 因此,红外线燃烧器具有提高的效率和可靠性。
    • 30. 发明申请
    • VARIABLE DATA DENSITY FOR DATA STORAGE
    • 数据存储的可变数据密度
    • US20130170064A1
    • 2013-07-04
    • US13537006
    • 2012-06-28
    • Tae Young Kim
    • Tae Young Kim
    • G11B27/36
    • G11B27/36G11B5/09G11B27/3027G11B2220/2516
    • Disclosed herein are methods and apparatuses that provide for variable data density on a disc data storage medium, where the variable data density may have a circumferential definition and a radial definition. In some examples, devices and methods may include measuring a read or write performance attribute on a disc data storage medium and selectively setting a data density rate that may vary in a circumferential direction for the disc data storage medium based on the read or write performance attribute. In other examples, apparatuses can include a data storage device having a disc data storage medium and a controller configured to measure a performance attribute of the disc data storage medium and to selectively set different Bits Per Inch (BPI) for data storage within different areas of the disc.
    • 这里公开了在盘数据存储介质上提供可变数据密度的方法和装置,其中可变数据密度可具有周向定义和径向定义。 在一些示例中,设备和方法可以包括测量盘数据存储介质上的读或写性能属性,并且基于读/写性能属性选择性地设置可在盘数据存储介质的圆周方向上变化的数据密度率 。 在其他示例中,设备可以包括具有盘数据存储介质的数据存储设备和被配置为测量盘数据存储介质的性能属性的控制器,并且选择性地设置用于在不同区域内的数据存储的不同位每英寸(BPI) 光盘。