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    • 7. 发明申请
    • ELECTRONIC DEVICES WITH ANTENNA SENSORS
    • 带天线传感器的电子设备
    • US20090251374A1
    • 2009-10-08
    • US12061210
    • 2008-04-02
    • Brett William DegnerChris LigtenbergDouglas Blake KoughPaul Andrew Gojenola
    • Brett William DegnerChris LigtenbergDouglas Blake KoughPaul Andrew Gojenola
    • H01Q1/24
    • H01Q1/244H01Q1/103
    • Electronic devices may be provided with sensors for determining the presence and position of extendable and removable antennas. The antennas may extend by rotating about an axis, by reciprocating along their length, or by flexing from a retracted position to an extended position. The electronic device may determine when a removable antenna is attached or detached using signals from the sensors. The electronic device may determine the extent to which an antenna has been extended using signals from the sensors. The electronic device may control the operation of a radio-frequency transceiver that is coupled to the antenna based on signals from the sensors. The electronic device may turn the transceiver off when the antenna is retracted or removed. When the antenna is partially extended, the electronic device may place the transceiver in a low-power mode or place a dual-band transceiver into a single-band mode.
    • 电子设备可以设置有用于确定可延伸和可移除天线的存在和位置的传感器。 天线可以通过围绕轴线旋转,通过沿其长度往复运动或者通过从缩回位置弯曲到延伸位置来延伸。 电子设备可以使用来自传感器的信号来确定可移动天线何时被附接或分离。 电子设备可以使用来自传感器的信号来确定天线已被扩展的程度。 电子设备可以基于来自传感器的信号来控制耦合到天线的射频收发器的操作。 当天线收回或取出时,电子设备可能会关闭收发器。 当天线部分延伸时,电子设备可以将收发器置于低功率模式或将双频带收发器放置在单频带模式中。