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    • 21. 发明授权
    • Antennas for handheld electronic devices
    • 手持电子设备天线
    • US08138977B2
    • 2012-03-20
    • US11890865
    • 2007-08-07
    • Zhijun ZhangFletcher R. RothkopfRobert W. SchlubRuben Caballero
    • Zhijun ZhangFletcher R. RothkopfRobert W. SchlubRuben Caballero
    • H01Q1/24
    • H01Q1/243H01Q1/36H01Q1/38H01Q9/0414H01Q9/42H01Q21/28
    • Handheld electronic devices are provided that contain wireless communications circuitry. The wireless communications circuitry may include antenna structures. An antenna may be located in an upper right corner of the handheld device as the handheld device is operated in a portrait mode. When the handheld device is rotated counterclockwise and operated in a landscape mode, the antenna is located in an unobstructed upper left corner of the device. The antenna may be formed from a strip of conductor. A proximal end of the strip of conductor may be connected to a transmission line. A distal end of the strip of conductor may be routed away from housing surfaces by bends formed in the strip. A printed circuit board in the handheld electronic device may have a hole. The distal end of the strip of conductor may be located adjacent to the hole.
    • 提供了包含无线通信电路的手持电子设备。 无线通信电路可以包括天线结构。 当手持设备以肖像模式操作时,天线可以位于手持设备的右上角。 当手持设备逆时针旋转并以横向模式操作时,天线位于设备的无障碍左上角。 天线可以由导体条形成。 导体条的近端可以连接到传输线。 导体条带的远端可以通过形成在条带中的弯曲而远离壳体表面。 手持电子设备中的印刷电路板可以具有孔。 导体条的远端可以位于邻近孔的位置。
    • 22. 发明申请
    • TOOLS FOR DESIGN AND ANALYSIS OF OVER-THE-AIR TEST SYSTEMS WITH CHANNEL MODEL EMULATION CAPABILITIES
    • 用于设计和分析具有通道模拟仿真能力的空中测试系统的工具
    • US20110270567A1
    • 2011-11-03
    • US13095656
    • 2011-04-27
    • Matt A. MowBo NiuRobert W. SchlubRuben Caballero
    • Matt A. MowBo NiuRobert W. SchlubRuben Caballero
    • G06F19/00
    • H04B17/0087G01R29/0821G01R29/10H04B7/0413H04B17/391
    • A wireless electronic device may serve as a device under test in a test system. The test system may include an array of over-the-air antennas that can be used in performing over-the-air wireless tests on the device under test (DUT). A channel model may be used in modeling a multiple-input-multiple-output (MIMO) channel between a multi-antenna wireless base station and a multi-antenna DUT. The test system may be configured to perform over-the-air tests that emulate the channel model. A design and analysis tool may be used to identify an optimum over-the-air test system setup. The tool may be used in converting a geometric model to a stochastic model for performing conducted tests. The tool may be used in converting a stochastic model to a geometric model and then further convert the geometric model to an over-the-air emulated stochastic model. The over-the-air emulated stochastic model may be used in performing conducted tests.
    • 无线电子设备可以在测试系统中用作被测设备。 测试系统可以包括可用于在被测设备(DUT)上执行空中无线测试的空中天线阵列。 可以使用信道模型来建模多天线无线基站和多天线DUT之间的多输入多输出(MIMO)信道。 测试系统可以被配置为执行模拟通道模型的空中测试。 可以使用设计和分析工具来识别最佳的空中测试系统设置。 该工具可用于将几何模型转换为用于执行进行测试的随机模型。 该工具可用于将随机模型转换为几何模型,然后将几何模型进一步转换为空中仿真随机模型。 空中仿真随机模型可用于进行测试。
    • 26. 发明授权
    • Multiband antenna for handheld electronic devices
    • 用于手持电子设备的多频带天线
    • US07768462B2
    • 2010-08-03
    • US11895053
    • 2007-08-22
    • Zhijun ZhangRobert W. SchlubRobert J. HillRuben Caballero
    • Zhijun ZhangRobert W. SchlubRobert J. HillRuben Caballero
    • H01Q1/24H01Q1/48
    • H01Q21/28H01Q1/243H01Q9/0457H01Q9/26H01Q13/106
    • A handheld electronic device is provided that contain wireless communications circuitry. The wireless communications circuitry may include antenna structures. A first antenna may handle first and second communications bands. A second antenna may handle additional communications bands. The first and second antennas may be located at opposite ends of the handheld electronic device. Conductive structures in the handheld electronic device may form an antenna ground plane. The antenna ground plane may have portions defining an antenna slot. An L-shaped antenna resonating element may be located adjacent to the slot. In the first communications band, the L-shaped antenna resonating element may serve as a non-radiating coupling stub that excites the antenna slot. In the second communications band, the L-shaped antenna resonating element may transmit and receive radio-frequency signals.
    • 提供了一种包含无线通信电路的手持式电子设备。 无线通信电路可以包括天线结构。 第一天线可以处理第一和第二通信频带。 第二天线可以处理额外的通信频带。 第一和第二天线可以位于手持电子设备的相对端。 手持电子设备中的导电结构可以形成天线接地平面。 天线接地平面可以具有限定天线槽的部分。 L形天线谐振元件可以位于与槽相邻的位置。 在第一通信频带中,L形天线谐振元件可以用作激发天线槽的非辐射耦合短线。 在第二通信频带中,L形天线谐振元件可以发射和接收射频信号。
    • 29. 发明授权
    • Tunable loop antennas
    • 可调环形天线
    • US09246221B2
    • 2016-01-26
    • US13041934
    • 2011-03-07
    • Nanbo JinMattia PascoliniMatt A. MowRobert W. SchlubRuben Caballero
    • Nanbo JinMattia PascoliniMatt A. MowRobert W. SchlubRuben Caballero
    • H01Q1/24H01Q7/00
    • H01Q7/005H01Q1/243
    • 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 a conductive bezel and a ground plane. The antenna may operate in multiple communications bands. 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. A variable capacitor may bridge the gap. An inductive element may bridge the gap and the antenna feed terminals. A switchable inductor may be coupled in parallel with the inductive element. Tunable matching circuitry may be coupled between one of the antenna feed terminals and a conductor in a coaxial cable connecting the transceiver circuitry to the antenna.
    • 提供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。 并联馈送的环形天线可以由导电边框和接地平面的部分形成。 天线可以在多个通信频带中操作。 边框可以围绕安装到电子设备前部的显示器的外围部分。 表圈可能有间隙。 用于天线的天线馈电端子可以位于间隙的相对侧上。 可变电容器可以弥合间隙。 电感元件可以桥接间隙和天线馈电端子。 可切换电感器可以与电感元件并联耦合。 可调谐匹配电路可以耦合在天线馈电端子之一和在将收发器电路连接到天线的同轴电缆中的导体之间。