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公开(公告)号:US20070279286A1
公开(公告)日:2007-12-06
申请号:US11422238
申请日:2006-06-05
IPC分类号: H01Q1/38
CPC分类号: H01Q9/0407 , H01Q9/0442 , H01Q19/005
摘要: A multi-mode parasitic antenna array having two or more resonant frequencies. The multi-mode parasitic antenna array has at least two resonant modes resulting in substantially divergent radiation patterns, thereby providing the antenna with frequency dependent directivity. The array may be incorporated into a tag for an RFID system. The RFID system includes a reader capable of interrogating the tag at each of the resonant frequencies.
摘要翻译: 具有两个或更多个谐振频率的多模式寄生天线阵列。 多模式寄生天线阵列具有至少两个谐振模式,从而产生大体上发散的辐射图,从而为天线提供频率相关的方向性。 阵列可以并入用于RFID系统的标签中。 RFID系统包括能够在每个谐振频率处询问标签的读取器。
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公开(公告)号:US20070126528A1
公开(公告)日:2007-06-07
申请号:US11634917
申请日:2006-12-07
申请人: Raafat Mansour , Rui Zhang
发明人: Raafat Mansour , Rui Zhang
CPC分类号: H01P1/2002 , B33Y80/00 , H01P1/2084 , H01P7/10
摘要: A unitary resonator assembly for use in dielectric resonator filters and multiplexers. The unitary resonator assembly comprises a plurality of resonators joined by bridges, where the resonators and bridges are all constructed from a single piece of a dielectric material. The unitary resonator assemblies may be used in conjunction with unitary mounting structures that support a unitary resonator assembly in a filter or multiplexer. Also disclosed are 2-pole, 4-pole, and triplet filters implementing a unitary resonator assembly in conjunction with a unitary mounting structure, and a diplexer implementing a unitary resonator assembly in conjunction with a unitary mounting structure.
摘要翻译: 用于介质谐振滤波器和多路复用器的单一谐振器组件。 整体谐振器组件包括通过桥连接的多个谐振器,其中谐振器和桥均由单片电介质材料构成。 单一谐振器组件可以与在滤波器或多路复用器中支持单一谐振器组件的单一安装结构一起使用。 还公开了实施与单一安装结构相结合的单一谐振器组件的双极,4极和三线态滤波器,以及与单一安装结构相结合实现整体谐振器组件的双工器。
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公开(公告)号:US09236846B2
公开(公告)日:2016-01-12
申请号:US13401316
申请日:2012-02-21
CPC分类号: H03H7/0161 , H01G11/14 , H01P1/2053 , H01P7/04 , H03H2007/008 , Y10T29/43
摘要: An embodiment radio frequency MicroElectroMechanical (RF-MEMS) tunable bandpass filter includes one or more tunable resonators, each of which includes an electrically reconfigurable capacitor bank, a tuning screw, and a resonating structure. In an embodiment, the capacitor bank includes fixed value capacitors and switches to vary the capacitance of the resonator. In an embodiment, the capacitor bank includes variable capacitors and direct current (DC) bias circuits to vary the capacitance of the resonator. The filter may be incorporated into a time division duplexing (TDD) base station or other wireless communications device.
摘要翻译: 一种实施例的射频微电子机械(RF-MEMS)可调谐带通滤波器包括一个或多个可调谐谐振器,每个谐振器包括电可重构电容器组,调谐螺钉和谐振结构。 在一个实施例中,电容器组包括固定值电容器和开关以改变谐振器的电容。 在一个实施例中,电容器组包括可变电容器和直流(DC)偏置电路,以改变谐振器的电容。 滤波器可以并入到时分双工(TDD)基站或其他无线通信设备中。
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公开(公告)号:US20060176124A1
公开(公告)日:2006-08-10
申请号:US11053871
申请日:2005-02-10
申请人: Raafat Mansour , Mojgan Daneshmand
发明人: Raafat Mansour , Mojgan Daneshmand
IPC分类号: H01P1/10
摘要: A three dimensional waveguide is integrated with a MEMS structure to control a signal in various RF components. The components include switches, variable capacitors, filters and phase shifters. A controller controls movement of the MEMS structure to control a signal within the component. A method of construction and a method of operation of the component are described. The switches have high power handling capability and can be operated at high frequencies. By integrating a three dimensional waveguide with a MEMS structure, the components can be small in size with good operating characteristics.
摘要翻译: 三维波导与MEMS结构集成以控制各种RF部件中的信号。 组件包括开关,可变电容器,滤波器和移相器。 控制器控制MEMS结构的运动以控制部件内的信号。 描述了该部件的构造方法和操作方法。 这些开关具有高功率处理能力,可以在高频下工作。 通过将三维波导与MEMS结构集成,该部件的尺寸可以小,具有良好的工作特性。
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公开(公告)号:US20070235299A1
公开(公告)日:2007-10-11
申请号:US11697169
申请日:2007-04-05
申请人: Mojgan Daneshmand , Raafat Mansour
发明人: Mojgan Daneshmand , Raafat Mansour
IPC分类号: H01H3/00
CPC分类号: H01H59/0009 , H01H2050/049
摘要: A multi-port RF MEMS switch, a switch matrix having several multi-port RF MEMS switches and an interconnect network have a monolithic structure with clamped-clamped beams, cantilever beams or thermally operated actuators. A method of fabricating a monolithic switch has clamped-clamped beams or cantilever beams.
摘要翻译: 多端口RF MEMS开关,具有几个多端口RF MEMS开关的开关矩阵和互连网络具有具有夹紧的梁,悬臂梁或热操作的致动器的单片结构。 制造单片开关的方法具有夹紧的梁或悬臂梁。
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公开(公告)号:US20050201672A1
公开(公告)日:2005-09-15
申请号:US11039860
申请日:2005-01-24
申请人: Raafat Mansour , Mojgan Daneshmand
发明人: Raafat Mansour , Mojgan Daneshmand
摘要: A three dimensional waveguide is integrated with a MEMS structure to control a signal in various RF components. The components include switches, variable capacitors, filters and phase shifters. A controller controls movement of the MEMS structure to control a signal within the component. A method of construction and a method of operation of the component are described. The switches have high power handling capability and can be operated at high frequencies. By integrating a three dimensional waveguide with a MEMS structure, the components can be small in size with good operating characteristics.
摘要翻译: 三维波导与MEMS结构集成以控制各种RF部件中的信号。 组件包括开关,可变电容器,滤波器和移相器。 控制器控制MEMS结构的运动以控制部件内的信号。 描述了该部件的构造方法和操作方法。 这些开关具有高功率处理能力,可以在高频下工作。 通过将三维波导与MEMS结构集成,该部件的尺寸可以小,具有良好的工作特性。
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公开(公告)号:US20130142089A1
公开(公告)日:2013-06-06
申请号:US13401316
申请日:2012-02-21
CPC分类号: H03H7/0161 , H01G11/14 , H01P1/2053 , H01P7/04 , H03H2007/008 , Y10T29/43
摘要: An embodiment radio frequency MicroElectroMechanical (RF-MEMS) tunable bandpass filter includes one or more tunable resonators, each of which includes an electrically reconfigurable capacitor bank, a tuning screw, and a resonating structure. In an embodiment, the capacitor bank includes fixed value capacitors and switches to vary the capacitance of the resonator. In an embodiment, the capacitor bank includes variable capacitors and direct current (DC) bias circuits to vary the capacitance of the resonator. The filter may be incorporated into a time division duplexing (TDD) base station or other wireless communications device.
摘要翻译: 一种实施例的射频微电子机械(RF-MEMS)可调谐带通滤波器包括一个或多个可调谐谐振器,每个谐振器包括电可重构电容器组,调谐螺钉和谐振结构。 在一个实施例中,电容器组包括固定值电容器和开关以改变谐振器的电容。 在一个实施例中,电容器组包括可变电容器和直流(DC)偏置电路,以改变谐振器的电容。 滤波器可以并入到时分双工(TDD)基站或其他无线通信设备中。
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