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    • 7. 发明申请
    • Backpack Type Bag With Self-Balancing Electric Vehicle Mounted Thereon
    • 带有自平衡电动车的背包式袋子
    • US20130248573A1
    • 2013-09-26
    • US13558999
    • 2012-07-26
    • Joon Hyung KimGwang-Seok Jeon
    • Joon Hyung KimGwang-Seok Jeon
    • A45F4/02
    • A45F4/02A45C9/00A45C13/385A45C2009/005A45F3/04B62K11/007
    • The present invention relates to a backpack type bag with a self-balancing electric vehicle mounted thereon that includes: two wheels each having a motor mounted thereon; a foot board mounted on the top surface of each motor; a support rod fixed on the foot boards; a housing disposed on one side of the support rod for accommodating batteries and a controller thereinto; a handle mounted on the top portion of the support rod in such a manner as to be inserted and drawn into/from the support rod; and a bag adapted to encompass the support rod and the housing, whereby the bag into which a user's items are put is carried on the user's shoulders, and in a state where the bag is placed above the wheels, the user rides the self-balancing electric vehicle after his feet place on the foot boards.
    • 本发明涉及一种其上安装有自平衡电动车的背包式袋,包括:两个轮,每个轮具有安装在其上的马达; 安装在每个电动机的顶表面上的脚踏板; 支撑杆固定在脚踏板上; 设置在用于容纳电池的支撑杆的一侧上的壳体和控制器; 把手安装在支撑杆的顶部,以插入/拉出支撑杆的方式; 以及适于包围所述支撑杆和所述壳体的袋,由此将用户的物品放置在其中的袋被携带在使用者的肩膀上,并且在袋放置在轮的上方的状态下,使用者骑自行平衡 他的脚放在脚踏板上的电动车。
    • 9. 发明申请
    • APPARATUS AND METHOD FOR CONTROLLING GAIN OF POLAR TRANSMITTER
    • 控制极性发射器增益的装置和方法
    • US20110237210A1
    • 2011-09-29
    • US13132537
    • 2009-10-29
    • Jae-Ho JungJoon-Hyung KimKwang-Chun Lee
    • Jae-Ho JungJoon-Hyung KimKwang-Chun Lee
    • H04B1/04
    • H03G3/30H03F3/211H03F3/2176H03F3/24H04L27/361
    • Disclosed is an apparatus for transmitting complex signals in a wireless communication system. The present invention, there is provided a method for controlling gain according to a magnitude change of output signals in a polar transmitter including an amplification unit having two or more amplification degrees, the method includes processes to control an output level of a modulated signal when a output-required power of transmission signals are less than a predetermined threshold value, and to perform a basic amplification through the amplification unit; to amplify the amplification unit at a first amplification level when the output-required power of the transmission signals is equal to or greater than a predetermined first threshold value and is less than a predetermined second threshold value; and to amplify the amplification unit at a second amplification level when the output-required power of the transmission signal is equal to or greater than the second threshold value.
    • 公开了一种用于在无线通信系统中发送复杂信号的装置。 本发明提供了一种用于根据包括具有两个或更多个放大度的放大单元的极性发射器中的输出信号的幅度变化来控制增益的方法,所述方法包括当调制信号的输出电平 输出要求的发送信号功率小于预定阈值,并通过放大单元执行基本放大; 当发送信号的输出要求功率等于或大于预定的第一阈值且小于预定的第二阈值时,以第一放大级放大放大单元; 并且当发送信号的输出要求功率等于或大于第二阈值时,以第二放大级别放大放大单元。