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    • 11. 发明授权
    • Hinge assembly and mobile device having the same
    • 铰链组件和具有相同功能的移动设备
    • US07725988B2
    • 2010-06-01
    • US11705780
    • 2007-02-14
    • Yun Tae KimKwang Soo KimSeung Don LeeHyun Suk YangJi Yeon LeeJeong Rok Lee
    • Yun Tae KimKwang Soo KimSeung Don LeeHyun Suk YangJi Yeon LeeJeong Rok Lee
    • E05D15/06
    • G06F1/1624E05D15/582E05Y2900/606G06F1/1616G06F1/1681G06F1/1683Y10T16/5323Y10T16/544Y10T16/5443Y10T16/5444Y10T16/5448Y10T16/545Y10T16/5457
    • Disclosed are a hinge assembly and a mobile device having the hinge assembly. In the mobile device, a rotation portion 14 slides and rotates on a base portion 10, so as to be inclined to the base portion 10. For this reason, the rotation portion 14 is connected to the base portion by means of the hinge assembly 20 so as to slide and rotate on the base portion 10. The rotation portion 14 slides on the base portion by a predetermined distance, and then rotates to be inclined at a desired angle with respect to the base portion 10. The rotation portion 14 easily rotates with respect to the base portion of the mobile device, so that the status of the mobile device can be easily converted. Further, when the status of the mobile device is converted, the front, rear, left and right of a display screen is not changed. As a result, the mobile device should not have a structure of changing a display direction of the display screen. Further, there is an advantage in that an electric connection between the base portion and the rotation portion by means of a connection link mechanism can be stably achieved.
    • 公开了具有铰链组件的铰链组件和移动装置。 在移动装置中,旋转部14在基部10上滑动旋转,从而与基部10倾斜。因此,旋转部14通过铰链组件20与基部连接 以便在基部10上滑动旋转。旋转部分14在基部上滑动预定距离,然后旋转以相对于基部10倾斜所需的角度。旋转部分14容易旋转 相对于移动设备的基础部分,使得可以容易地转换移动设备的状态。 此外,当移动设备的状态被转换时,显示屏幕的前,后,左,右不改变。 结果,移动设备不应该具有改变显示屏的显示方向的结构。 另外,通过连接机构,能够稳定地实现基部与旋转部之间的电连接。
    • 15. 发明授权
    • Switched coupler type digital phase shifter using quadrature generator
    • 使用正交发生器的开关耦合器型数字移相器
    • US06985049B2
    • 2006-01-10
    • US10716571
    • 2003-11-18
    • Chang Hee HyoungSung Weon KangYun Tae Kim
    • Chang Hee HyoungSung Weon KangYun Tae Kim
    • H01P1/18
    • H03H11/22H01P1/185
    • A switched coupler type digital phase shifter using a quadrature generator is disclosed. A switched coupler type digital phase shifter includes: a coupling unit for receiving one input signal and generating a first signal and a second signal having 180 degree phase difference based on the received input signal; a quadrature signal generation unit for generating a third signal to a sixth signal having 90 degree phase difference to each other based on the first signal and the second signal outputted from the coupling unit; and a switching unit for selectively outputting one of the third signal to the sixth signal outputted from the quadrate signal generation unit in response to a control signal. The present invention can increased integration of the multi-bit digital phase shifter by implementing multi bit phase variant with only one phase shifter. Also, the insertion loss can be minimized.
    • 公开了一种使用正交发生器的开关耦合器型数字移相器。 开关耦合器型数字移相器包括:耦合单元,用于接收一个输入信号并产生第一信号和基于所接收的输入信号具有180度相位差的第二信号; 正交信号产生单元,用于根据从耦合单元输出的第一信号和第二信号,产生第三信号至具有彼此具有90度相位差的第六信号; 以及切换单元,用于响应于控制信号,选择性地将第三信号中的一个输出到从正方形信号产生单元输出的第六信号。 本发明可以通过仅使用一个移相器实现多位相位变型来增加多位数字移相器的集成。 此外,插入损耗可以最小化。