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公开(公告)号：US06927332B1
公开(公告)日：2005-08-09
申请号：US10806019
申请日：2004-03-22
CPC分类号： G01R29/0814 , G01R1/24 , H01B11/1856
摘要： A flexible test cable has a center conductor (210), a conductive sleeve (240) with an effective electrical length equal to an odd quarter wavelength of a frequency of interest, a dielectric spacer (230) located inside the conductive sleeve (240) for preventing a portion of the center conductor from electrically coupling to the conductive sleeve, and a dielectric joint (220) for maintaining a portion of the center conductor in the middle of an end of the conductive sleeve (240). The conductive sleeve (240) can have a variety of cross-sectional shapes. The dielectric spacer (230) can be formed in a variety of shapes from rigid or compressible dielectric materials. Likewise, the dielectric joint (220) can be formed in a variety of shapes from rigid or compressible dielectric materials. Using the dielectric joint (220) to link together multiple conductive sleeves (240) results in a flexible test cable (200) with electrical transparency at the frequency of interest.
摘要翻译： 柔性测试电缆具有中心导体（210），导电套管（240），其有效电长度等于感兴趣频率的奇数四分之一波长;位于导电套筒（240）内部的电介质间隔件（230），用于 防止中心导体的一部分电耦合到导电套筒，以及用于将中心导体的一部分保持在导电套筒（240）端部中间的电介质接头（220）。 导电套筒（240）可以具有各种横截面形状。 电介质间隔物（230）可以由刚性或可压缩介电材料形成各种形状。 类似地，电介质接头（220）可以由刚性或可压缩介电材料形成各种形状。 使用电介质接头（220）将多个导电套管（240）连接在一起导致具有感兴趣频率的电气透明度的柔性测试电缆（200）。
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公开(公告)号：US07292195B2
公开(公告)日：2007-11-06
申请号：US11189689
申请日：2005-07-26
IPC分类号： H01Q11/12
摘要： An energy density diversity antenna (EDA) has a least a pair of antenna elements, whose feeding points are connected to outputs of a hybrid coupler configured such that a sum and a difference signal may exist at the feed points of the antenna elements. First reactive elements are respectively inserted in the antenna elements proximal the respective feed points. The antenna elements are joined at a point distal from the feed points by a second reactive element, and a third reactive element is coupled between feed lines coupled to the feed points at a location between the feed points and the outputs of the hybrid coupler.
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公开(公告)号：US07729128B2
公开(公告)日：2010-06-01
申请号：US11239265
申请日：2005-09-29
IPC分类号： H04B1/03
CPC分类号： H04M1/0214 , H04B1/3833 , H04M1/0235
摘要： An electronic device, like a mobile telephone, has a first section and a second section. The first section and second section are coupled together by a mechanical connection, for example a hinge, swivel or sliding connector. Electronic components in the first section are coupled to electronic components in the second section by conductors capable of transferring power between the first and second sections. A current detector is capable of detecting currents, like surface currents, while a controller is responsive to the current detector. A plurality of reactive elements, like capacitors for example, are coupled to a plurality of switches such that the controller may selectively couple any of the plurality of reactive elements to the conductors by actuating a corresponding switch. When the current detector detects a current in excess of a predetermined threshold, the controller alters the complex impedance between the first and second sections by actuating one or more of the switches, thereby coupling one or more of the reactive elements to the conductors.
摘要翻译： 诸如移动电话的电子设备具有第一部分和第二部分。 第一部分和第二部分通过机械连接（例如铰链，旋转或滑动连接器）联接在一起。 第一部分中的电子部件通过能够在第一和第二部分之间传递动力的导体与第二部分中的电子部件耦合。 当控制器响应于电流检测器时，电流检测器能够检测电流，如表面电流。 诸如电容器的多个无功元件耦合到多个开关，使得控制器可以通过致动相应的开关来选择性地将多个无功元件中的任何元件耦合到导体。 当电流检测器检测到超过预定阈值的电流时，控制器通过致动一个或多个开关来改变第一和第二部分之间的复阻抗，从而将一个或多个无功元件耦合到导体。
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