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    • 4. 发明授权
    • Arrowhead having expanding blades controlled by gear mechanism
    • 具有由齿轮机构控制的扩张叶片的箭头
    • US08911310B2
    • 2014-12-16
    • US13900931
    • 2013-05-23
    • Young Ki Lee
    • Young Ki Lee
    • F42B6/08
    • F42B6/08
    • Disclosed is an arrowhead in which a plurality of expandable blades can be quickly and reliably retracted or expanded without using an additional means to bundle the expanding blades, thereby enhancing the penetrating capability or killing capability of an arrow. Particularly, a portion of a shaft forming the arrowhead is provided with a rack gear portion installed thereon and a lower end of each of the expanding blades is provided with a pinion gear portion, such that the rack gear portion and the pinion gear portion engage with each other and such a rack-pinion action controls the operation of retracting or expanding the expanding blades.
    • 公开了一种箭头,其中可以快速且可靠地缩回或扩展多个可扩展叶片,而不需要使用附加装置来捆扎扩张刀片,从而增强箭头的穿透能力或杀伤能力。 特别地,形成箭头的轴的一部分设置有安装在其上的齿条部分,并且每个扩展叶片的下端设置有小齿轮部分,使得齿条部分和小齿轮部分与 彼此并且这种齿条 - 小齿轮动作控制缩回或扩大扩张刀片的操作。
    • 5. 发明授权
    • Method for controlling video recorder, and video recorder adopting the method
    • 录像机控制方法及采用该方法的录像机
    • US08744232B2
    • 2014-06-03
    • US12709164
    • 2010-02-19
    • Young-ki Lee
    • Young-ki Lee
    • H04N5/77
    • G11B5/09H04L67/025H04N5/76H04N5/765H04N5/77H04N5/775H04N5/781H04N21/2187H04N21/23406H04N21/2747
    • A video recorder connected to a plurality of cameras and a plurality of client devices and a method of controlling the video recorder are provided. The method includes: setting a plurality of buffers, in a memory of the video recorder, corresponding to the plurality of cameras, respectively, and setting a plurality of positions in at least one buffer of the buffers for loading image data input from a corresponding camera of the plurality of cameras; loading, in the at least one buffer, the image data on given positions of the plurality of positions; and transmitting the loaded image data to the plurality of client devices so that each of the plurality of client devices receives the image data input from a same corresponding camera.
    • 提供了连接到多个摄像机的视频记录器和多个客户端设备以及控制录像机的方法。 该方法包括:在视频记录器的存储器中分别对应于多个摄像机设置多个缓冲器,并在缓冲器的至少一个缓冲器中设置多个位置,以加载从相应摄像机输入的图像数据 的多个相机; 在所述至少一个缓冲器中加载所述多个位置的给定位置上的图像数据; 以及将所加载的图像数据发送到所述多个客户端设备,使得所述多个客户端设备中的每一个接收从相同对应的相机输入的图像数据。