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    • 4. 发明申请
    • ADJUSTABLE WIRELESS CIRCUITRY WITH ANTENNA-BASED PROXIMITY DETECTOR
    • 可调谐无线电路与基于天线的接近检测器
    • WO2011129983A2
    • 2011-10-20
    • PCT/US2011029962
    • 2011-03-25
    • APPLE INCSCHLUB ROBERT WCABALLERO RUBEN
    • SCHLUB ROBERT WCABALLERO RUBEN
    • H01Q1/24H04B1/04H04B1/38
    • H04W8/22H01Q1/243H04B1/401H04B17/00H04W4/12
    • An electronic device such as a portable electronic device has wireless communications circuitry. Antennas in the electronic device may be used in transmitting radio-frequency antenna signals. A coupler and antenna signal phase and magnitude measurement circuitry may be used to determine when external objects are in the vicinity of the antenna by making antenna impedance measurements. In-band and out-of-band phase and magnitude signal measurements may be made in determining whether external objects are present. Additional sensors such as motion sensors, light and heat sensors, acoustic and electrical sensors may produce data that can be combined with the proximity data gathered using the antenna-based proximity sensor. In response to detecting that an external object such as a user's body is within a given distance of the antenna, the electronic device may reduce transmit powers, switch antennas, steer a phased antenna array, switch communications protocols, or take other actions.
    • 诸如便携式电子设备的电子设备具有无线通信电路。 电子设备中的天线可以用于发送射频天线信号。 耦合器和天线信号相位和幅度测量电路可用于通过进行天线阻抗测量来确定外部物体何时位于天线附近。 可以在确定外部物体是否存在时进行带内和带外相位和幅度信号测量。 诸如运动传感器,光和热传感器,声学和电传感器等附加传感器可以产生可与使用基于天线的接近传感器收集的邻近数据组合的数据。 响应于检测到诸如用户身体的外部对象在天线的给定距离内,电子设备可以降低发射功率,切换天线,引导相控天线阵列,切换通信协议或采取其他动作。
    • 5. 发明申请
    • BEZEL GAP ANTENNAS
    • BEZEL GAP天线
    • WO2011068674A2
    • 2011-06-09
    • PCT/US2010/056887
    • 2010-11-16
    • APPLE INC.PASCOLINI, MattiaHILL, Robert, J.ZAVALA, JuanJIN, NanboLI, QingxiangSCHLUB, Robert, W.CABALLERO, Ruben
    • PASCOLINI, MattiaHILL, Robert, J.ZAVALA, JuanJIN, NanboLI, QingxiangSCHLUB, Robert, W.CABALLERO, Ruben
    • H01Q1/24
    • H01Q7/00H01Q1/243H01Q9/42H01Q13/10
    • Electronic devices are provided that contain wireless communications circuitry. The wireless communications circuitry may include radio-frequency transceiver circuitry and antenna structures. A parallel- fed loop antenna may be formed from portions of an electronic device bezel and a ground plane. The antenna may operate in multiple communications bands. An impedance matching circuit for the antenna may be formed from a parallel-connected inductive element and a series- connected capacitive element. The bezel may surround a peripheral portion of a display that is mounted to the front of an electronic device. The bezel may contain a gap. Antenna feed terminals for the antenna may be located on opposing sides of the gap. The inductive element may bridge the gap and the antenna feed terminals. The capacitive element may be connected in series between one of the antenna feed terminals and a conductor in a transmission line located between the transceiver circuitry and the antenna.
    • 提供了包含无线通信电路的电子设备。 无线通信电路可以包括射频收发器电路和天线结构。 并联馈电的环形天线可以由电子设备边框和接地平面的部分形成。 天线可以在多个通信频带中工作。 用于天线的阻抗匹配电路可以由并联连接的电感元件和串联连接的电容元件形成。 边框可以围绕安装到电子设备的前部的显示器的外围部分。 表圈可能会有间隙。 天线的天线馈电端子可以位于间隙的相对侧上。 电感元件可以桥接间隙和天线馈电端子。 电容元件可以串联连接在天线馈电端子之一和位于收发器电路和天线之间的传输线中的导体之间。