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    • 1. 发明申请
    • METHOD FOR CONTROLLING ACCESS OF COMMUNICATION MEDIUM ACCORDING TO MAC PROTOCOL OF IEEE 802.11
    • 根据IEEE 802.11的MAC协议控制通信媒体接入的方法
    • US20110128846A1
    • 2011-06-02
    • US13056296
    • 2008-07-31
    • Choong-Seon HongRahman MD. MustafizurHamid MD. AbulJin-Ho Kim
    • Choong-Seon HongRahman MD. MustafizurHamid MD. AbulJin-Ho Kim
    • H04L12/26
    • H04W28/18H04W74/00H04W84/12
    • The present invention relates to a method of controlling access to a wireless channel in a wireless communication system, and more particularly, to such a method of controlling wireless channel access, in which it is determined whether or not peripheral communication nodes are ones interrupting main communication between communication nodes being activated, and if it is determined that the peripheral communication nodes are ones which does not interrupt the main communication, they gain access to a wireless channel so as to perform parallel communication with respect to the main communication. The wireless channel access control method according to the present invention determines whether or not peripheral communication nodes actually interrupt main communication, and if it is determined that the peripheral communication nodes are ones which does not interrupt the main communication, they gain access to a wireless channel so as to perform parallel communication with respect to the main communication, thereby efficiently utilizing a limited wireless channel resource.
    • 本发明涉及一种在无线通信系统中控制对无线信道的接入的方法,更具体地说,涉及一种控制无线信道接入的方法,其中确定外设通信节点是否中断主通信 在通信节点被激活之间,并且如果确定外围通信节点是不中断主通信的节点,则它们获得对无线信道的接入,以便执行关于主通信的并行通信。 根据本发明的无线信道接入控制方法确定外围通信节点是否实际中断主通信,并且如果确定外围通信节点是不中断主通信的节点,则它们获得对无线信道的接入 以便执行与主通信的并行通信,从而有效地利用有限的无线信道资源。
    • 8. 发明授权
    • Liquid crystal display having circular shaped protrusions on the common electrode
    • 在公共电极上具有圆形突起的液晶显示器
    • US08441604B2
    • 2013-05-14
    • US13251790
    • 2011-10-03
    • Youn-Seung ChoiJin-Ho Kim
    • Youn-Seung ChoiJin-Ho Kim
    • G02F1/1343G02F1/1337
    • G02F1/1393G02F1/133707G02F1/134309G02F2001/134318
    • A VA mode LCD device is disclosed, to improve the viewing-angle properties by isotropically compensating for a viewing angle, in which the VA mode LCD device includes first and second substrates; a plurality of gate and data lines formed on the first substrate, and formed perpendicularly to define a plurality of pixel regions. A thin film transistor is formed in each pixel region of the first substrate. A pixel electrode and a common electrode are formed in each pixel of the respective first and second substrates, wherein the pixel and common electrodes generate an electric field. At least one first slit of a curved-stripe shape, such as a circular-stripe shape, is formed in the pixel electrode of the first substrate. At least one second slit is formed in the common electrode of the second substrate. A liquid crystal layer formed between the first and second substrates.
    • 公开了VA模式LCD装置,以通过各向同性地补偿视角来改善视角特性,其中VA模式LCD装置包括第一和第二基板; 多个栅极和数据线,形成在第一基板上,并垂直形成以限定多个像素区域。 在第一衬底的每个像素区域中形成薄膜晶体管。 像素电极和公共电极形成在相应的第一和第二基板的每个像素中,其中像素和公共电极产生电场。 在第一基板的像素电极中形成至少一个弯曲条形状的第一狭缝,例如圆形条纹形状。 在第二基板的公共电极中形成至少一个第二狭缝。 形成在第一和第二基板之间的液晶层。
    • 10. 发明申请
    • METHOD AND APPARATUS FOR CORRECTING LENS SHADING
    • 矫正镜片的方法和装置
    • US20110007969A1
    • 2011-01-13
    • US12832631
    • 2010-07-08
    • Min-Kyu PARKHee-Chan ParkJin-Ho KimJi-Hye KimSung-Dae ChoMoon-Gi KangChang-Won KimHyun-Mook Oh
    • Min-Kyu PARKHee-Chan ParkJin-Ho KimJi-Hye KimSung-Dae ChoMoon-Gi KangChang-Won KimHyun-Mook Oh
    • G06K9/40
    • H04N5/3572
    • A lens shading correction method and apparatus are provided for removing vignetting occurring in digital images due to lens shading. A white image captured by an image pickup device and an image pickup unit is separated into reference white images corresponding to color channels. A vignetting center having a maximum light intensity is estimated in each of the reference white images. Multiple reference segments on each of the reference white images are defined. A lens shading correction value corresponding to each pixel constituting the reference segments are calculated using a corresponding light intensity. A lens shading correction function corresponding to each reference segment is derived using a corresponding lens shading correction value. Vignetting of a general image received in a general image processing mode is removed, using the derived multiple lens shading correction functions.
    • 提供了一种透镜阴影校正方法和装置,用于消除由于透镜阴影而在数字图像中发生的渐晕。 由图像拾取装置和图像拾取单元拍摄的白色图像被分离为与颜色通道对应的参考白色图像。 在每个参考白色图像中估计具有最大光强度的渐晕中心。 定义每个参考白图像上的多个参考段。 使用对应的光强度计算与构成基准片段的每个像素对应的镜片阴影校正值。 使用相应的透镜阴影校正值导出与每个参考片段对应的镜片遮蔽校正功能。 使用导出的多个透镜阴影校正功能来消除在一般图像处理模式中接收的一般图像的渐晕。