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    • 1. 发明申请
    • Variable antenna apparatus for a mobile terminal
    • 用于移动终端的可变天线装置
    • US20050237242A1
    • 2005-10-27
    • US10946819
    • 2004-09-22
    • Dong-Hwan KimByung-Duck ChoWan-Jin Choi
    • Dong-Hwan KimByung-Duck ChoWan-Jin Choi
    • H01Q1/24H01Q9/04
    • H01Q1/244H01Q1/084H01Q9/0421
    • A variable antenna apparatus for a mobile terminal. The variable antenna apparatus includes a radiation component that is rotatably coupled with the mobile terminal, a feeding component that is adjacent to a first end part of the radiation component and electrically connected to a radio frequency board of the mobile terminal. A grounding component is adjacent to the first end part of the radiation component and selectively connected to a ground of the radio frequency board as the radiation component is rotated. The antenna apparatus is accommodated in a terminal so that it is possible to conveniently carry the terminal, and the antenna is rotatably protruded from the terminal during a telephone call, such that appropriate antenna gain is achieved.
    • 一种用于移动终端的可变天线装置。 可变天线装置包括与移动终端可旋转地联接的辐射部件,与辐射部件的第一端部部分相邻并与移动终端的射频板电连接的馈电部件。 接地部件与辐射部件的第一端部相邻,并随着辐射部件旋转而选择性地连接到射频板的接地。 天线装置被容纳在终端中,使得可以方便地携带终端,并且在电话呼叫期间天线从终端可旋转地突出,使得实现适当的天线增益。
    • 2. 发明授权
    • Variable antenna apparatus for a mobile terminal
    • 用于移动终端的可变天线装置
    • US07158084B2
    • 2007-01-02
    • US10946819
    • 2004-09-22
    • Dong-Hwan KimByung-Duck ChoWan-Jin Choi
    • Dong-Hwan KimByung-Duck ChoWan-Jin Choi
    • H01Q1/24
    • H01Q1/244H01Q1/084H01Q9/0421
    • A variable antenna apparatus for a mobile terminal. The variable antenna apparatus includes a radiation component that is rotatably coupled with the mobile terminal, a feeding component that is adjacent to a first end part of the radiation component and electrically connected to a radio frequency board of the mobile terminal. A grounding component is adjacent to the first end part of the radiation component and selectively connected to a ground of the radio frequency board as the radiation component is rotated. The antenna apparatus is accommodated in a terminal so that it is possible to conveniently carry the terminal, and the antenna is rotatably protruded from the terminal during a telephone call, such that appropriate antenna gain is achieved.
    • 一种用于移动终端的可变天线装置。 可变天线装置包括与移动终端可旋转地联接的辐射部件,与辐射部件的第一端部部分相邻并与移动终端的射频板电连接的馈电部件。 接地部件与辐射部件的第一端部相邻,并随着辐射部件旋转而选择性地连接到射频板的接地。 天线装置被容纳在终端中,使得可以方便地携带终端,并且在电话呼叫期间天线从终端可旋转地突出,使得实现适当的天线增益。
    • 3. 发明授权
    • Mobile communication system having multi-band antenna
    • 具有多频带天线的移动通信系统
    • US06662021B2
    • 2003-12-09
    • US10272341
    • 2002-10-15
    • Jun-Kyu KangDong-In HaWan-Jin ChoiJung-Ho ParkDong-Hwan Kim
    • Jun-Kyu KangDong-In HaWan-Jin ChoiJung-Ho ParkDong-Hwan Kim
    • H04B138
    • H01Q1/362H01Q1/243H01Q1/244H01Q11/08H04B1/3805H04M2250/10
    • A mobile communication system has a multi-band antenna capable of receiving and processing signals of GPS, CDMA, and PCS bands. In the system, a GPS processing section receives a signal of a first frequency band, so as to generate global positioning information. A communication signal processing section receives signals of a second frequency band lower than the first frequency band and a third frequency band higher than the first frequency band, demodulates the received signals , while modulating signals to be transmitted of the second frequency band and the third frequency band and outputting the modulated signals. The multi-band antenna has a dual-pitch helical antenna which includes first and second helical coil portions having different pitches, so that the first and second helical coil portions have different impedances for the signals of the first to third frequency bands. A frequency band separator section connected between the multi-band antenna and the GPS processing section and communication processing section supplies the signal of the first frequency band to the GPS processing section while supplying the signals of the second and third frequency bands to the communication processing section.
    • 移动通信系统具有能够接收和处理GPS,CDMA和PCS频带的信号的多频带天线。 在该系统中,GPS处理部接收第一频带的信号,生成全球定位信息。 通信信号处理部分接收比第一频带低的第二频带和高于第一频带的第三频带的信号,在对第二频带和第三频率的要传输的信号进行调制的同时解调接收的信号 并输出调制信号。 多频带天线具有包括具有不同间距的第一和第二螺旋线圈部分的双螺距螺旋天线,使得第一和第二螺旋线圈部分对于第一至第三频带的信号具有不同的阻抗。 连接在多频带天线和GPS处理部分之间的频带分离部分和通信处理部分将第二频带和第三频带的信号提供给通信处理部分,将第一频带的信号提供给GPS处理部分 。
    • 6. 发明授权
    • Built-in single band antenna device and operating method thereof in mobile terminal
    • 内置单频天线装置及其在移动终端中的操作方法
    • US06885346B2
    • 2005-04-26
    • US09956691
    • 2001-09-20
    • Dong-In HaWan-Jin ChoiDong-Hwan KimJun-Kyu Kang
    • Dong-In HaWan-Jin ChoiDong-Hwan KimJun-Kyu Kang
    • H01Q1/24H01Q9/04H01Q9/30H01Q21/28
    • H01Q9/0421H01Q1/244H01Q9/30H01Q21/28
    • There is provided a built-in single band antenna device and an operating method thereof in a mobile terminal. In the built-in antenna single band antenna device, a built-in single band antenna is formed into a conductive pattern on a board extended from the upper side of a main PCB. A whip antenna is connected to the built-in single band antenna, and contained in the mobile terminal when the whip antenna is retracted. A whip antenna driver extends or retracts the whip antenna. A duplexer separates an RF signal received from the built-in single band antenna from an RF signal to be transmitted to the built-in single band antenna. A controller processes the RF signals received at and transmitted from the duplexer and controls the whip antenna driver to extend the whip antenna in a speech state or upon a call attempt from a user.
    • 在移动终端中提供了内置的单频带天线装置及其操作方法。 在内置天线单频天线装置中,内置单频带天线形成为从主PCB的上侧延伸的板上的导电图案。 鞭状天线连接到内置的单频带天线,并且当鞭状天线缩回时包含在移动终端中。 鞭状天线驱动器延伸或缩回鞭状天线。 双工器将从内置单频带天线接收的RF信号与要发送到内置单频天线的RF信号分离。 控制器处理在双工器处接收和发送的RF信号,并且控制鞭状天线驱动器以语音状态或来自用户的呼叫尝试来延长鞭状天线。
    • 8. 发明授权
    • Antenna device for portable terminal
    • 便携式终端天线装置
    • US07532166B2
    • 2009-05-12
    • US11250289
    • 2005-10-14
    • Dong-Hwan KimJinu KimWan-Jin Choi
    • Dong-Hwan KimJinu KimWan-Jin Choi
    • H01Q1/24
    • H01Q1/243
    • Provided is an antenna device for a portable terminal including a first housing and a second housing assembled with the first housing so as to slidingly move on the first housing. The antenna device includes an antenna pattern installed on an inner surface of the second housing; and at least one connecting terminal, which is installed on the outer surface of the first housing and is sliding by connected to the antenna pattern, wherein the second housing is assembled with the first housing to at least partially cover the first housing. The antenna device has few parts and has a simple structure, thus simplifying manufacture and reducing.
    • 本发明提供一种用于便携式终端的天线装置,其包括第一壳体和与第一壳体组装以便在第一壳体上滑动地移动的第二壳体。 天线装置包括安装在第二壳体的内表面上的天线图案; 以及至少一个连接端子,其安装在第一壳体的外表面上并且通过连接到天线图案而滑动,其中第二壳体与第一壳体组装以至少部分地覆盖第一壳体。 天线装置部件少,结构简单,简化了制造和降低。
    • 10. 发明授权
    • Resonant inverter exhibiting depressed duty variation
    • 谐振逆变器表现出降低的负载变化
    • US07492141B2
    • 2009-02-17
    • US11784162
    • 2007-04-04
    • Jong-Tae HwangMoon-Sang JungDong-Hwan KimJin-Sung Kim
    • Jong-Tae HwangMoon-Sang JungDong-Hwan KimJin-Sung Kim
    • G05F1/40G05F1/56
    • H02M3/3376H02M2001/0058Y02B70/1433Y02B70/1491
    • A resonant inverter includes a first driver and a second driver for driving a first and second switching devices, respectively, a dead time generator for generating a first drive signal and a second drive signal respectively, a current-controlled oscillator for supplying, to the dead time generator, an output clock having a frequency determined based on a first current input to the current-controlled oscillator, and a current mirror for supplying the first current to the current-controlled oscillator in an amount proportional to a second current flowing through an external resistor. The current mirror includes a track/hold circuit, to supply the second current in an amount equal to an amount of the second current supplied before a variation in the amount of the second current, during a transition of an output signal between the first and second switching devices.
    • 谐振逆变器包括分别用于驱动第一和第二开关装置的第一驱动器和第二驱动器,分别用于产生第一驱动信号和第二驱动信号的死区时间发生器,用于向死人提供电流控制振荡器 时间发生器,具有基于对电流控制振荡器的第一电流输入而确定的频率的输出时钟以及用于以与流过外部电流的第二电流成比例的量向电流控制振荡器提供第一电流的电流镜 电阻。 电流镜包括跟踪/保持电路,以在第一和第二电平之间的输出信号的转变期间提供等于第二电流量的变化之前提供的第二电流的量的量的第二电流 开关器件。