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    • 1. 发明专利
    • BRPI0412950A
    • 2006-09-26
    • BRPI0412950
    • 2004-08-06
    • JONG SOO OHJAE YUL MABYUNG SUN OHCHUN BAE KIMYOUNG AE AHNHYUN DUK JUNG
    • YOO MOON-SOO
    • B62M25/00B62K20060101B62M11/14B62M11/16
    • Disclosed is an automatic speed changing device in which speed is automatically changed according to a predetermined amount of rotation without user's arbitrary manipulations. The automatic speed changing device of the present invention comprises a hub unit including a hub shaft formed with a sun gear, and a hub shell surrounding the sun gear and having a first ratchet ring and an inner gear formed on an inner peripheral surface of the hub shell; a first travel unit including a driver for rotating the hub shell while closing the other side of the hub shell, and a driven sprocket for rotating the driver by receiving power from a driving sprocket; a second travel unit including a first carrier disposed within the hub shell and mounted at one side thereof with a plurality of planetary gears engaged with the sun gear and the inner gear to rapidly rotate the hub shell, and a second carrier extending from the other side of the first carrier to the driver; and a conversion unit including a second ratchet ring interposed between the driver and the second carrier to transmit rotational force from the rotating driver to the second carrier and the planetary gears of the first carrier, and a conversion spring interposed between the first and second carriers to return the second ratchet ring when pedals of a bicycle are not operated and the bicycle is stopped.
    • 2. 发明授权
    • Wireless communication system and method
    • 无线通信系统及方法
    • US07289821B2
    • 2007-10-30
    • US10685563
    • 2003-10-16
    • Yong-suk KimWon-yong YoonTae-jin LeeDoo-seop EomYang-ick JooKyun-hyon TchaJong-soo Oh
    • Yong-suk KimWon-yong YoonTae-jin LeeDoo-seop EomYang-ick JooKyun-hyon TchaJong-soo Oh
    • H04B7/00H04Q7/20
    • H04W72/1247H04L12/423H04L47/283H04L49/90H04W28/14
    • A wireless communication system includes a queue status detection unit for detecting the amount of unit data being used for communication between a plurality of external devices, and deciding a class parameter T of one of the external devices; a counter for counting the number of giving-away times of the external device based on the giving-away of communication opportunities to communicate with the plurality of external devices, and deciding a delay parameter D of an external device; a communication priority decision unit for calculating priority values P of an external device by using a class parameter and a delay parameter, and determining an external device having a priority out of the plurality of external devices based on the priority values; and a communication initiation unit for initiating data communications with the determined external device having the priority. Accordingly, a communication method considering both throughput and fairness can be obtained.
    • 无线通信系统包括队列状态检测单元,用于检测用于多个外部设备之间的通信的单元数据量,并且确定外部设备之一的等级参数T; 基于放弃与多个外部设备进行通信的通信机会,以及决定外部设备的延迟参数D,计数外部设备的放弃次数的计数器; 通信优先级决定单元,用于通过使用等级参数和延迟参数来计算外部设备的优先级值P,并且基于优先级值确定所述多个外部设备中具有优先级的外部设备; 以及通信发起单元,用于启动与所确定的具有优先级的外部设备的数据通信。 因此,可以获得考虑吞吐量和公平性的通信方法。
    • 6. 发明授权
    • Munitions safety and arming device for artillery ammunition, and artillery ammunition having the same
    • 武装弹药弹药安全武装装置和炮弹弹药相同
    • US09322627B2
    • 2016-04-26
    • US14493449
    • 2014-09-23
    • Jong Soo OhSeung Seob LeeChoon Jae LeeKyoung Woong SeoDong Wan Lim
    • Jong Soo OhSeung Seob LeeChoon Jae LeeKyoung Woong SeoDong Wan Lim
    • F42C15/26F42C15/22
    • F42C15/22F42C15/26
    • A munitions safety and arming device for artillery ammunition, and an artillery ammunition having the same are provided. The munitions safety and arming device for artillery ammunition includes: a body having a first movement path and a second movement path communicating with the first movement path; a mass body housed in the first movement path and moving from one side of the first movement path to the other side of the first movement path upon receiving centrifugal force based on rotation of an artillery ammunition when the artillery ammunition is fired; a slide member movably installed in the second movement path and slidably moving by a predetermined distance when pressed by the movement of the mass body; and a movement delay unit protruding from the first movement path to reduce the centrifugal force exerted on the mass body to delay a time for the mass body to move.
    • 提供了炮弹弹药弹药安全装备和具有相同武器的炮弹。 武器弹药弹药安全装备装置包括:具有与第一移动路径连通的第一移动路径和第二移动路径的主体; 所述质量体容纳在所述第一移动路径中,并且当所述火炮弹被射击时,在接收到基于火炮弹药旋转的离心力时,从所述第一移动路径的一侧移动到所述第一移动路径的另一侧; 滑动构件,其可移动地安装在所述第二移动路径中,并且通过所述质量体的移动被按压时可滑动地移动预定距离; 以及从第一移动路径突出的运动延迟单元,以减小施加在质量体上的离心力,从而延迟质量体移动的时间。
    • 7. 发明申请
    • MUNITIONS SAFETY AND ARMING DEVICE FOR ARTILLERY AMMUNITION, AND ARTILLERY AMMUNITION HAVING THE SAME
    • 用于制造艺术弹药的安全和装甲装置以及具有相同功能的艺术品弹性
    • US20150253118A1
    • 2015-09-10
    • US14493449
    • 2014-09-23
    • Jong Soo OHSeung Seob LEEChoon Jae LEEKyoung Woong SEODong Wan LIM
    • Jong Soo OHSeung Seob LEEChoon Jae LEEKyoung Woong SEODong Wan LIM
    • F42C15/22F42C15/26
    • F42C15/22F42C15/26
    • A munitions safety and arming device for artillery ammunition, and an artillery ammunition having the same are provided. The munitions safety and arming device for artillery ammunition includes: a body having a first movement path and a second movement path communicating with the first movement path; a mass body housed in the first movement path and moving from one side of the first movement path to the other side of the first movement path upon receiving centrifugal force based on rotation of an artillery ammunition when the artillery ammunition is fired; a slide member movably installed in the second movement path and slidably moving by a predetermined distance when pressed by the movement of the mass body; and a movement delay unit protruding from the first movement path to reduce the centrifugal force exerted on the mass body to delay a time for the mass body to move.
    • 提供了炮弹弹药弹药安全装备和具有相同武器的炮弹。 武器弹药弹药安全装备装置包括:具有与第一移动路径连通的第一移动路径和第二移动路径的主体; 所述质量体容纳在所述第一移动路径中,并且当所述火炮弹被射击时,在接收到基于火炮弹药旋转的离心力时,从所述第一移动路径的一侧移动到所述第一移动路径的另一侧; 滑动构件,其可移动地安装在所述第二移动路径中,并且通过所述质量体的移动被按压时可滑动地移动预定距离; 以及从第一移动路径突出的运动延迟单元,以减小施加在质量体上的离心力,从而延迟质量体移动的时间。