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公开(公告)号：US6150612A
公开(公告)日：2000-11-21
申请号：US62059
申请日：1998-04-17
申请人： Mark E. Grandy , Edwin D. Laing , Janet M. Rosenbaum , James J. Pelster , Rune Totland , Jim L. Dickman, II , Mark W. White , David J. Wiekhorst , Timothy N. Berelsman
发明人： Mark E. Grandy , Edwin D. Laing , Janet M. Rosenbaum , James J. Pelster , Rune Totland , Jim L. Dickman, II , Mark W. White , David J. Wiekhorst , Timothy N. Berelsman
CPC分类号： H01B11/02
摘要： High performance data cables are provided that allows for future growth in networking speeds. The high performance data cables achieve this result while satisfying the dimensional requirements set by the EIA/TIA 568-A standards as well as fire performance safety requirements of the National Fire Protection Association (NFPA). High performance data cables of this invention achieve the above by controlling parameters that influence impedance performance, near-end crosstalk performance and attenuation. A separating filler material is used to maximize the pair-to-pair distance while maintaining an overall maximum outside diameter of 0.250". This construction benefits crosstalk performance, as both electrical and magnetic field intensities are inversely related to distance and dielectric constant (crosstalk is made up of capacitative and inductive coupling, with inductive coupling becoming significant at frequencies above 50 MHz). Balancing between parameters that influence impedance, near-end crosstalk and attenuation performance by choice of materials and physical dimensions of the filler material, insulation material, jacket material and conductor, the overall performance of the data cable of this invention is achieved. A standard for the high performance data cables of this invention is also disclosed.
摘要翻译： 提供了高性能数据电缆，可以实现网络速度的未来增长。 高性能数据电缆在满足EIA / TIA 568-A标准设定的尺寸要求以及国家消防协会（NFPA）的防火性能安全要求的情况下实现了这一结果。 本发明的高性能数据电缆通过控制影响阻抗性能，近端串扰性能和衰减的参数来实现上述目的。 使用分离填充材料来使配对间距最大化，同时保持总体最大外径为0.250“。 这种结构有利于串扰性能，因为电场和磁场强度都与距离和介电常数成反比（串扰由电容耦合和电感耦合组成，电感耦合在频率高于50 MHz时变得显着）。 本发明的数据电缆的整体性能实现了通过材料选择以及填充材料，绝缘材料，护套材料和导体的物理尺寸来影响阻抗，近端串扰和衰减性能的参数之间的平衡。 还公开了本发明的高性能数据电缆的标准。
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公开(公告)号：US06555753B2
公开(公告)日：2003-04-29
申请号：US10055846
申请日：2002-01-23
IPC分类号： H01B508
CPC分类号： H01B11/02 , H01B7/0009
摘要： A method of forming flexible communications wire for use in Local Area Networks is disclosed. A plurality of individual metal strands are formed into a central conductor. The central conductor is then compressed and/or heated to bond adjacent strands together and to reduce the diameter of the wire.
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公开(公告)号：US06365838B1
公开(公告)日：2002-04-02
申请号：US09578585
申请日：2000-05-25
IPC分类号： H01B508
CPC分类号： H01B11/02 , H01B7/0009
摘要： A method of forming flexible communications wire for use in Local Area Networks is disclosed. A plurality of individual metal strands are formed into a central conductor. The central conductor is then compressed and/or heated to bond adjacent strands together and to reduce the diameter of the wire.
摘要翻译： 公开了一种形成用于局域网的柔性通信线的方法。 多个单独的金属线形成为中心导体。 然后将中心导体压缩和/或加热以将相邻的线束结合在一起并减小线材的直径。
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公开(公告)号：US4701953A
公开(公告)日：1987-10-20
申请号：US633943
申请日：1984-07-24
申请人： Mark W. White
发明人： Mark W. White
CPC分类号： G10L19/02
摘要： A signal compression system includes a plurality of channels. A plurality of these channels include a bandpass filter (for filtering out all but a portion of an input signal), an intensity detector (for deriving a spectrally weighted estimate of the intensity of a broader spectral portion of the input signal than the bandpass filtered spectral portion), and a divider (for compressing the bandpass filtered spectral portion using a variable gain having a preselected functional relationship to the spectrally weighted intensity estimate). The signal compression system preserves cross-channel information.
摘要翻译： 信号压缩系统包括多个信道。 多个这些通道包括带通滤波器（用于滤除除了输入信号的一部分之外的全部），强度检测器（用于导出输入信号的较宽频谱部分的强度的频谱加权估计值，而不是带通滤波频谱 部分）和分频器（用于使用具有与频谱加权强度估计的预选函数关系的可变增益来压缩带通滤波的光谱部分）。 信号压缩系统保留跨渠道信息。
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