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公开(公告)号:US5138328A
公开(公告)日:1992-08-11
申请号:US748611
申请日:1991-08-22
CPC分类号: H01Q1/2258 , G06F1/1616 , H01Q1/22
摘要: An integral diversity antenna especially suited for use in a laptop computer device without the need for changing or otherwise altering such devices pre-established form factor. Two separately located printed circuit board antenna structures are orthogonally mounted in an associated counterpoise. One such antenna structure is vertically polarized and the other horizontally polarized. In this manner, both spatial and polarization diversity is achieved. The counterpoise serves the additional purpose of affecting both RFI and EMI shielding of the laptop computer's LCD display and driven circuitry.
摘要翻译: 一种特别适用于膝上型计算机设备的整体分集天线,而不需要改变或以其他方式改变预先确定的尺寸的这种设备。 两个分开定位的印刷电路板天线结构正交地安装在相关联的平衡中。 一个这样的天线结构是垂直极化的,而另一个水平极化。 以这种方式,实现了空间和极化分集。 平衡电路的另一个目的是影响笔记本电脑LCD显示器和驱动电路的RFI和EMI屏蔽。
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公开(公告)号:US06191741B1
公开(公告)日:2001-02-20
申请号:US09187074
申请日:1998-11-06
IPC分类号: H01Q124
摘要: An extendable antenna for a personal computer card uses two main antenna elements. A movable antenna element can be positioned in an extended position such that the base of the second antenna element electrically contacts the top of the other antenna element. The antenna in the extended position is connected to the antenna port through matching circuitry. In a closed position of the antenna, the second antenna element is electrically connected to the antenna port bypassing the matching circuitry. In one embodiment, the antenna is a quarter-wave length antenna in the closed position and a half-wave length antenna in the extended position.
摘要翻译: 用于个人计算机卡的可伸缩天线使用两个主要天线元件。 可移动天线元件可以定位在延伸位置,使得第二天线元件的基部电接触另一个天线元件的顶部。 延伸位置的天线通过匹配电路连接到天线端口。 在天线的闭合位置,第二天线元件电连接到旁路匹配电路的天线端口。 在一个实施例中,天线是处于关闭位置的四分之一波长的天线和延伸位置的半波长天线。
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公开(公告)号:US5914696A
公开(公告)日:1999-06-22
申请号:US927761
申请日:1997-09-11
CPC分类号: H01Q1/2275 , H01Q1/22 , H01Q9/38
摘要: An antenna system (20) provides low radio frequency interference (RFI) using an unbalanced antenna (21) comprised of three eighths wavelength whip antenna element (22) and associated counterpoise (23). Antenna counterpoise (23) may be formed by an EMI shielding conductor which is isolated at the frequency of operation of antenna system (20) from EMI shielding serving as host interface ground conductor (28) using resonant structure (25). Resonant structure (25) isolates antenna counterpoise (23) from host interface ground conductor (28) thereby improving antenna efficiency, and substantially eliminating RFI effects arising from use of antenna system (20).
摘要翻译: 天线系统(20)使用由三分之一八分之一波长鞭状天线元件(22)和相关联的平衡(23)构成的不平衡天线(21)来提供低射频干扰(RFI)。 天线平衡(23)可以由EMI屏蔽导体形成,其EMI天线系统(20)的工作频率与使用谐振结构(25)作为主机接口导体(28)的EMI屏蔽隔离。 共振结构(25)将天线平衡(23)与主机接口接地导体(28)隔离,从而提高天线效率,并且基本上消除了使用天线系统(20)引起的RFI效应。
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4.
公开(公告)号:US09264111B2
公开(公告)日:2016-02-16
申请号:US12898306
申请日:2010-10-05
CPC分类号: H04B7/04 , H04B1/0483 , H04L27/2601 , H04W72/082
摘要: A data communication system has a station that includes multiple antenna elements. The station communicates to the antenna elements by way of digital data channels. Each antenna is connected to an RF module that receives data by way of a corresponding digital data channel, encodes and transmits the data. Adaptive beamforming may be performed for interference mitigation. Embodiments use the strength of pilot signals and/or error vector magnitudes as cost functions for an adaptive beamforming alogorithm such as optimum combining. Unused sub-carriers may be applied to provide in-band communication to facilitate channel switching, data reallocation and other interference mitigation strategies.
摘要翻译: 数据通信系统具有包括多个天线元件的站。 该站通过数字数据通道与天线元件进行通信。 每个天线连接到通过相应的数字数据信道接收数据的RF模块,对数据进行编码和发送。 可以执行自适应波束形成用于干扰减轻。 实施例使用导频信号和/或误差矢量幅度的强度作为诸如最佳组合的自适应波束成形算法的成本函数。 可以应用未使用的子载波来提供带内通信以便于信道切换,数据重新分配和其他干扰减轻策略。
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公开(公告)号:US06327154B1
公开(公告)日:2001-12-04
申请号:US09187392
申请日:1998-11-06
IPC分类号: H05K114
CPC分类号: H01Q1/2275 , G06F1/1698 , H01Q1/084 , H01Q1/22 , H01Q1/244 , H04M1/0254 , H04M1/0262 , Y10S439/946
摘要: A detachable battery pack is connected to a personal computer card modem at the same side as an antenna. An advantage of this system is that the detachable battery pack can be added and removed from the personal computer card without affecting the antenna connection to the personal computer card. The antenna need not be connected to the personal computer card through the battery pack.
摘要翻译: 可拆卸电池组与天线在同一侧连接到个人计算机卡调制解调器。 该系统的优点在于,可以从个人计算机卡中添加和移除可拆卸的电池组,而不影响到个人计算机卡的天线连接。 天线不需要通过电池组连接到个人计算机卡。
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公开(公告)号:USD416857S
公开(公告)日:1999-11-23
申请号:US96226
申请日:1998-11-06
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公开(公告)号:US20110116569A1
公开(公告)日:2011-05-19
申请号:US12898306
申请日:2010-10-05
IPC分类号: H04L27/00
CPC分类号: H04B7/04 , H04B1/0483 , H04L27/2601 , H04W72/082
摘要: A data communication system has a station that includes multiple antenna elements. The station communicates to the antenna elements by way of digital data channels. Each antenna is connected to an RF module that receives data by way of a corresponding digital data channel, encodes and transmits the data. Adaptive beamforming may be performed for interference mitigation. Embodiments use the strength of pilot signals and/or error vector magnitudes as cost functions for an adaptive beamforming alogorithm such as optimum combining. Unused sub-carriers may be applied to provide in-band communication to facilitate channel switching, data reallocation and other interference mitigation strategies.
摘要翻译: 数据通信系统具有包括多个天线元件的站。 该站通过数字数据通道与天线元件进行通信。 每个天线连接到通过相应的数字数据信道接收数据的RF模块,对数据进行编码和发送。 可以执行自适应波束形成用于干扰减轻。 实施例使用导频信号和/或误差矢量幅度的强度作为诸如最佳组合的自适应波束成形算法的成本函数。 可以应用未使用的子载波来提供带内通信以便于信道切换,数据重新分配和其他干扰减轻策略。
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8.
公开(公告)号:US6026119A
公开(公告)日:2000-02-15
申请号:US844743
申请日:1997-04-30
CPC分类号: G06F1/1698 , G06F1/1656 , H04B1/3816 , H04L1/1806 , H04B1/713 , H04B7/2621 , H04B7/2628 , H04B7/2643
摘要: A computing device (100) including a wireless packet data communications modem (101) used in conjunction with a computer (103) to provide untethered access to data bases and other computer users. A method is provided for controlling data transmission and reception using the wireless packet data communications modem (101) in tandem with the computer (103). Two-way communications is achieved using a small, low-cost, light-weight wireless packet data communications modem contained in a housing, integral to a computing device, or a removable housing conforming to a PCMCIA industry standard.
摘要翻译: 一种包括与计算机(103)一起使用以提供对数据库和其他计算机用户的无限制访问的无线分组数据通信调制解调器(101)的计算设备(100)。 提供一种用于使用无线分组数据通信调制解调器(101)与计算机(103)串联来控制数据发送和接收的方法。 使用包含在与计算设备集成的外壳中的小型,低成本,轻量级的无线分组数据通信调制解调器或符合PCMCIA行业标准的可移动外壳来实现双向通信。
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公开(公告)号:US5809067A
公开(公告)日:1998-09-15
申请号:US260501
申请日:1994-06-15
申请人: Gregory Funk , Ronald J. Vanderhelm
发明人: Gregory Funk , Ronald J. Vanderhelm
IPC分类号: H04B1/40 , H04B1/38 , H04B7/26 , H04J1/00 , H04J3/00 , H04J13/06 , H04L1/18 , H04L29/10 , H04W28/04 , H04W88/00
CPC分类号: H04L1/1812 , H04B1/38 , H04L1/1806 , H04L1/1835 , H04W88/00
摘要: A computing device (100) including a wireless packet data communications modem (101) used in conjunction with a computer (103) to provide untethered access to data bases and other computer users. A method is provided for controlling data transmission and reception using the wireless packet data communications modem (101) in tandem with the computer (103). Two-way communications is achieved using a small, low-cost, light-weight wireless packet data communications modem contained in a housing, integral to a computing device, or a removable housing conforming to a PCMCIA industry standard.
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