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    • 2. 发明授权
    • Balanced, retractable mobile phone antenna
    • 平衡的,可伸缩的手机天线
    • US06239755B1
    • 2001-05-29
    • US09429768
    • 1999-10-28
    • Guy KlemensErnest T. OzakiAllen Minh-Triet Tran
    • Guy KlemensErnest T. OzakiAllen Minh-Triet Tran
    • H01Q124
    • H01Q1/244
    • The balanced, retractable dipole antenna comprises a first radiator element that is selectively extendable from, and retractable into, a mobile phone casing, a second radiator element, and a counterpoise that is electrically isolated from a printed wire board (PWB) of a mobile phone. The balanced, retractable dipole antenna further comprises a signal balancing means coupled between a signal source and at least the second radiator element and counterpoise to generate first and second signals, respectively. The first and second signals are substantially equal in magnitude but out of phase by 180 degrees. When the first radiator is extended, the first signal is transferred to the first and second radiator elements, and the second signal is transferred to the counterpoise. When the first radiator element is retracted, the first signal is transferred to the second radiator, while the second signal is transferred to the counterpoise and the first radiator element. The first and second signals produce balanced currents, thereby producing a symmetric radiation pattern.
    • 平衡的可伸缩偶极子天线包括:第一散热器元件,其可选择性地从可移动电话机壳体,第二散热器元件和与移动电话的印刷线路板(PWB)电隔离的平衡线伸出并可伸缩 。 平衡的可伸缩偶极天线还包括耦合在信号源和至少第二辐射体元件之间的信号平衡装置和平衡点,以分别产生第一和第二信号。 第一和第二信号的幅度基本相等,但是相位相差180度。 当第一辐射器被扩展时,第一信号被传送到第一和第二辐射器元件,并且第二信号被传送到平衡。 当第一散热器元件缩回时,第一信号被传送到第二辐射器,而第二信号被传送到平衡线和第一散热器元件。 第一和第二信号产生平衡电流,从而产生对称的辐射图。
    • 9. 发明授权
    • Selectively coupled two-piece antenna
    • 选择性耦合两片天线
    • US06812896B2
    • 2004-11-02
    • US10228698
    • 2002-08-26
    • Raymond C. WallaceAllen M-T. TranJohn K. M. LeeErnest T. Ozaki
    • Raymond C. WallaceAllen M-T. TranJohn K. M. LeeErnest T. Ozaki
    • H01Q124
    • H01Q9/14H01Q1/244
    • A selectively coupled two-piece antenna for use in a mobile phone having a casing and radio frequency (RF) communications circuitry includes a composite radiator that is selectively extendable from and retractable into the casing and a communications interface that is connected to the RF communications circuitry. The composite radiator has first and second radiating elements, and a connecting element. When the composite radiator is extended, the connecting element connects the first and second radiating elements. In this position, the communications interface connects the RF communications circuitry to the first and second radiating elements. Thus, the RF communications circuitry transmits and/or receives RF signals through both the first and second radiating elements as a top loaded antenna. However, when the composite radiator is retracted, the connecting element electrically isolates the first and second radiating elements.
    • 一种用于具有壳体和射频(RF)通信电路的移动电话中的选择性耦合的两件式天线包括可选择性地从壳体中伸出并可缩回到壳体中的复合辐射器,以及连接到RF通信电路的通信接口 。 复合散热器具有第一和第二辐射元件和连接元件。 当复合散热器延伸时,连接元件连接第一和第二辐射元件。 在该位置,通信接口将RF通信电路连接到第一和第二辐射元件。 因此,RF通信电路通过第一和第二辐射元件作为顶部加载天线发射和/或接收RF信号。 然而,当复合散热器缩回时,连接元件电隔离第一和第二辐射元件。
    • 10. 发明授权
    • Apparatus for wireless device charging using radio frequency (RF) energy and device to be wirelessly charged
    • 用于使用射频(RF)能量和装置进行无线充电的无线设备充电的装置
    • US09236756B2
    • 2016-01-12
    • US13481826
    • 2012-05-26
    • Jatupum JenwatanavetErnest T. OzakiZhen Ning Low
    • Jatupum JenwatanavetErnest T. OzakiZhen Ning Low
    • H02J7/00H02J7/02H02J5/00H02J17/00
    • H02J50/10H02J5/005H02J7/025H02J17/00H02J50/40
    • An apparatus for wireless charging using radio frequency (RF) energy includes a first charger portion having first and second charging areas. The first and second charging areas are located in a common plane, each having at least one coil for wirelessly charging a charge-receiving device placed in proximity thereto. The coils include respective windings, which are wound in opposing directions, each coil being connected in series, each coil configured to charge at least one charge-receiving device. A second charger portion has a third charging area having at least one coil including a winding for wirelessly charging a charge-receiving device placed in proximity to the third charging area, the coil in the third charging area being connected in series with the coils in the first and second charging areas, the third charging area located in a plane that is orthogonal to the plane of the first and second charging areas.
    • 一种使用射频(RF)能量的无线充电装置包括具有第一和第二充电区域的第一充电器部分。 第一和第二充电区域位于公共平面中,每个平面具有至少一个线圈,用于对放置在其附近的充电接收装置进行无线充电。 线圈包括以相反方向缠绕的各个绕组,每个线圈串联连接,每个线圈构造成对至少一个电荷接收装置充电。 第二充电器部分具有第三充电区域,其具有至少一个线圈,该线圈包括用于无线充电放置在第三充电区域附近的电荷接收装置的绕组,第三充电区域中的线圈与线圈中的线圈串联连接 第一和第二充电区域,第三充电区域位于与第一和第二充电区域的平面正交的平面中。