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1. 发明授权

EP0211750B1 Data transmission system 失效转让
标题翻译：数据传输系统。
公开(公告)号：EP0211750B1
公开(公告)日：1993-12-29
申请号：EP86401677.9
申请日：1986-07-28
申请人： AT&T Corp.
发明人： Beggs, Richard Douglas , Friesen, Harold Wayne , Nutt, Wendell Glenn
IPC分类号： H04B3/00 , H01B11/02
CPC分类号： H01B11/02 , H04B3/00

2. 发明公开

EP0526109A2 Fire-resistant cable for transmitting high frequency signals 失效
标题翻译： Flammwidriges Kabel zurÜbertragungvon Hochfrequenz-Signalen。
公开(公告)号：EP0526109A2
公开(公告)日：1993-02-03
申请号：EP92306748.2
申请日：1992-07-23
申请人： AT&T Corp.
发明人： Adriaenssens, Luc Walter , Beggs, Richard Douglas , Friesen, Harold Wayne , Nutt, Wendell Glenn
IPC分类号： H01B11/02 , H01B7/34
CPC分类号： H01B7/295 , H01B11/02
摘要： A fire-resistant cable (20) which is suitable for the transmission of high frequency signals in a local area network includes a core which comprises a plurality of twisted pairs (22,22) of insulated conductors (24,24) and a jacket (35). Each insulated conductor of each pair includes an elongated metallic member (26) and an insulation system (28). The insulation system which is characterized by a suitably low dissipation factor includes dual layers, an outer one of which includes a flame-retardant plastic material. Also, the insulation system is characterized by a suitably low dielectric constant and by compatibility with a relalively short pair twist scheme. In one embodiment, the insulation system includes an inner layer (30) of a polyolefin plastic material and an outer layer (32) of a flame-retardant polyolefin plastic material. The jacket comprises a plastic material characterized by a suitably low dissipation factor and dielectric constant and in a preferred embodiment comprises a flame-retardant polyolefin plastic material. Preferably, the twist length of each pair does not exceed the product of about forty and the outer diameter of an insulated conductor of each pair.
摘要翻译：适用于在局域网中传输高频信号的耐火电缆（20）包括一个芯，其包括绝缘导体（24,24）和夹套（22,24）的多个双绞线（22,22） 35）。每对绝缘导体包括细长的金属部件（26）和绝缘系统（28）。其特征在于具有适当低的耗散因数的绝缘系统包括双层，其中一层包括阻燃塑料材料。此外，绝缘系统的特征在于适当的低介电常数和与相对短的双绞线方案的兼容性。在一个实施例中，绝缘系统包括聚烯烃塑料材料的内层（30）和阻燃聚烯烃塑料材料的外层（32）。护套包括塑料材料，其特征在于具有适当低的损耗因子和介电常数，并且在优选实施例中包括阻燃聚烯烃塑料材料。优选地，每对的扭转长度不超过每对的绝缘导体的约40的乘积和绝缘导体的外径。

3. 发明公开

EP0268205A2 Methods of and system for providing substantially error-free transmitted data 失效
标题翻译：用于实现基本上无差错的数据传输方法和装置。
公开(公告)号：EP0268205A2
公开(公告)日：1988-05-25
申请号：EP87116694.8
申请日：1987-11-12
申请人： AT&T Corp.
发明人： Friesen, Harold Wayne , Haber, Janice Bilecky , Nutt, Wendell Glenn
IPC分类号： H04B3/32
CPC分类号： H04B3/32
摘要： In a system (20) for transmitting voice and data signals, insulated metallic conductor pairs (44-44) which transmit data signals and insulated metallic conductor pairs (46-46) which are capable of transmitting voice signals are enclosed in a common sheath system of a single cable (40). User pickup of station apparatus (34) during the generation of a ringing voltage on a voice conductor pair causes that pair to become disturbing and to impart impulse noise to a closely coupled data pair. The data pair is designated a disturbed pair and the signals transmitted thereby may be affected adversely. This problem is overcome by providing a circuit (80) comprising in parallel a resistance and an inductance and being in series with the station apparatus. Such an arrangement reduces substantially that frequency content of any disturbing signal which appears on the disturbing pair and which is in the range of the data signal spectrum. This reduces the magnitude of crosstalk between the voice and data pairs and results in substantially error-free transmitted data
摘要翻译：在用于传输语音和数据信号，绝缘金属导线对（44-44）哪种发送数据信号和绝缘金属导线对（46-46），其能够传输语音信号被包含在一个共同的护套系统的系统（20）的单条电缆（40）。上的语音导线对振铃电压的产生期间站装置（34）的用户拾取导致没有对成为干扰和脉冲噪声赋予一个紧密耦合的数据对。数据对被指定为干扰对和信号反式mitted从而可能受到不利影响。这种麻烦是通过提供并联的电阻和电感，以包括电路（80）以及与所述基站装置系列被克服。上布置搜索减少基本上没有哪个上扰对显示任何干扰信号的频率内容和所有它是在数据信号频谱范围内。这降低了语音和数据对与结果之间的串扰的大小错误基本上不含反式mitted数据

4. 发明公开

EP0526109A3 Fire-resistant cable for transmitting high frequency signals 失效
标题翻译：用于发送高频信号的防火电缆
公开(公告)号：EP0526109A3
公开(公告)日：1993-08-25
申请号：EP92306748.2
申请日：1992-07-23
申请人： AT&T Corp.
发明人： Adriaenssens, Luc Walter , Beggs, Richard Douglas , Friesen, Harold Wayne , Nutt, Wendell Glenn
IPC分类号： H01B11/02 , H01B7/34
CPC分类号： H01B7/295 , H01B11/02
摘要： A fire-resistant cable (20) which is suitable for the transmission of high frequency signals in a local area network includes a core which comprises a plurality of twisted pairs (22,22) of insulated conductors (24,24) and a jacket (35). Each insulated conductor of each pair includes an elongated metallic member (26) and an insulation system (28). The insulation system which is characterized by a suitably low dissipation factor includes dual layers, an outer one of which includes a flame-retardant plastic material. Also, the insulation system is characterized by a suitably low dielectric constant and by compatibility with a relalively short pair twist scheme. In one embodiment, the insulation system includes an inner layer (30) of a polyolefin plastic material and an outer layer (32) of a flame-retardant polyolefin plastic material. The jacket comprises a plastic material characterized by a suitably low dissipation factor and dielectric constant and in a preferred embodiment comprises a flame-retardant polyolefin plastic material. Preferably, the twist length of each pair does not exceed the product of about forty and the outer diameter of an insulated conductor of each pair.

5. 发明公开

EP0334575A3 Local area network cabling arrangement 失效
标题翻译：本地区域网络布局
公开(公告)号：EP0334575A3
公开(公告)日：1990-06-13
申请号：EP89302722.7
申请日：1989-03-20
申请人： AT&T Corp.
发明人： Friesen, Harold Wayne , Nutt, Wendell Glenn
IPC分类号： H01B11/02
CPC分类号： H04L12/28 , H01B11/02
摘要： A cable (20) which is particularly suited to the transmission of substantially error-free data at relatively high rates over relatively long distances includes at least two pairs of individually insulated conductors (42-42). The pairs of individually insulated conductors are enclosed in a tubular member (51) comprising a plastic material. A metallic shield (54) may or may not enclose the tubular member, and in a preferred embodiment, a plastic jacket (58) is provided. The twist length of each pair of insulated conductors does not exceed a value equal to the product of about forty and the outer diameter of the plastic insulation. Further, the twist lengths among the conductor pairs are varied in accordance with a twist frequency scheme modulated by non-uniform increments of twist frequency.

6. 发明公开

EP0520680A3 Twisted pairs of insulated metallic conductors for transmitting high frequency signals and methods of making 失效
标题翻译：用于传输高频信号的绝缘金属导体的双绞线和制造方法
公开(公告)号：EP0520680A3
公开(公告)日：1993-03-24
申请号：EP92305578.4
申请日：1992-06-18
申请人： AT&T Corp.
发明人： Bleich, Larry Lynn , Nutt, Wendell Glenn , Zerbs, Stephen Taylor
IPC分类号： H01B11/00 , H01B13/02
CPC分类号： H01B13/0285 , H01B7/361 , H01B11/002 , H01B13/345
摘要： Methods and apparatus are provided for providing an electrically matched pair (20) of insulated metallic conductors (21, 21). Insulation is applied to successive portions of a length of wire-like metallic conductor (22) after which a colorant material (37) is applied to the surface of a plastic insulation material of a first portion of the length of the metallic conductor which is being moved along a path of travel. Facilities are provided for shielding a supply of the colorant material from the moving insulated metallic conductor and for then exposing a second portion of the length of the insulated metallic conductor to a different colorant material. The insulation and the colorant materials and their disposition with respect to the insulation are such that the dielectric constant of one insulated metallic conductor of the pair is substantially equal to that of the other. The first and second portions of the length of the insulated metallic conductor are separated from each other and are twisted together to provide an electrically matched pair.

7. 发明公开

EP0520680A2 Twisted pairs of insulated metallic conductors for transmitting high frequency signals and methods of making 失效
标题翻译：双绞线绝缘金属导线用于传输高频信号和制备方法。
公开(公告)号：EP0520680A2
公开(公告)日：1992-12-30
申请号：EP92305578.4
申请日：1992-06-18
申请人： AT&T Corp.
发明人： Bleich, Larry Lynn , Nutt, Wendell Glenn , Zerbs, Stephen Taylor
IPC分类号： H01B11/00 , H01B13/02
CPC分类号： H01B13/0285 , H01B7/361 , H01B11/002 , H01B13/345
摘要： Methods and apparatus are provided for providing an electrically matched pair (20) of insulated metallic conductors (21, 21). Insulation is applied to successive portions of a length of wire-like metallic conductor (22) after which a colorant material (37) is applied to the surface of a plastic insulation material of a first portion of the length of the metallic conductor which is being moved along a path of travel. Facilities are provided for shielding a supply of the colorant material from the moving insulated metallic conductor and for then exposing a second portion of the length of the insulated metallic conductor to a different colorant material. The insulation and the colorant materials and their disposition with respect to the insulation are such that the dielectric constant of one insulated metallic conductor of the pair is substantially equal to that of the other. The first and second portions of the length of the insulated metallic conductor are separated from each other and are twisted together to provide an electrically matched pair.
摘要翻译：方法和装置提供了用于在提供电匹配绝缘金属导线（21，21）的对（20）。绝缘被施加到线状金属导体（22）afterwhich着色剂材料（37）的长度的连续部分是施加到金属导体的长度的第一部分的塑料绝缘材料表面的所有其正在沿行进路径移动。被提供用于屏蔽所述着色剂材料从所述移动绝缘金属导体的供给和然后将绝缘金属导体的长度的第二部分暴露于不同的着色材料的设施。绝缘和着色剂材料及其相对于所述绝缘配置被检查所做的对一个绝缘金属导体的介电常数等于基本上没有其它的。绝缘金属导体的长度的所述第一部分和第二部分彼此分开并扭绞在一起在电气匹配对来提供。

8. 发明公开

EP0334575A2 Local area network cabling arrangement 失效
标题翻译： Netzverkabelungsanordnung在lokaler Gegend。
公开(公告)号：EP0334575A2
公开(公告)日：1989-09-27
申请号：EP89302722.7
申请日：1989-03-20
申请人： AT&T Corp.
发明人： Friesen, Harold Wayne , Nutt, Wendell Glenn
IPC分类号： H01B11/02
CPC分类号： H04L12/28 , H01B11/02
摘要： A cable (20) which is particularly suited to the transmission of substantially error-free data at relatively high rates over relatively long distances includes at least two pairs of individually insulated conductors (42-42). The pairs of individually insulated conductors are enclosed in a tubular member (51) comprising a plastic material. A metallic shield (54) may or may not enclose the tubular member, and in a preferred embodiment, a plastic jacket (58) is provided. The twist length of each pair of insulated conductors does not exceed a value equal to the product of about forty and the outer diameter of the plastic insulation. Further, the twist lengths among the conductor pairs are varied in accordance with a twist frequency scheme modulated by non-uniform increments of twist frequency.
摘要翻译：特别适用于在相当长的距离上以相对高的速率传输基本无差错的数据的电缆（20）包括至少两对独立绝缘的导体（42-42）。成对的单独绝缘的导体被封装在包括塑料材料的管状构件（51）中。金属屏蔽（54）可以或不包围管状构件，并且在优选实施例中，提供塑料外壳（58）。每对绝缘导体的扭曲长度不超过等于塑料绝缘体外径约40的乘积的值。此外，导体对之间的扭转长度根据由扭转频率的非均匀增量调制的扭转频率方案而变化。

9. 发明公开

EP0468689A1 Aerial service wire 失效
标题翻译： Zubringer-Luftkabel。
公开(公告)号：EP0468689A1
公开(公告)日：1992-01-29
申请号：EP91306480.4
申请日：1991-07-17
申请人： AT&T Corp.
发明人： Gossett, Keith Alan , Mullin, Francis Joseph , Nutt, Wendell Glenn , Rhoades, Todd Alan
IPC分类号： H01B7/08 , G02B6/44
CPC分类号： G02B6/4426 , G02B6/4422 , G02B6/4433 , H01B7/183 , H01B7/38 , H01B7/40
摘要： An aerial service wire (20) includes a jacket (40) having a generally rectangularly shaped cross section and comprising a polyvinyl chloride plastic material. Enclosed by the jacket are two groups of strength members (36-36) each of which includes a plurality of filaments and each of which is impregnated with a material which is compatible with that of the jacket. The strength members are disposed along axes (52,54) of the cross section which are normal to an axis 42 which passes through a geometric center through which a longitudinal axis (50) of the jacket passes. Conductors (30-30) which are individually insulated are disposed adjacent to the longitudinal axis with each strength member being disposed between the conductors and the outer surface of the jacket.
摘要翻译：航空服务线（20）包括具有大致矩形横截面并包括聚氯乙烯塑料材料的护套（40）。由夹克包围的是两组强度构件（36-36），每组强度构件包括多根长丝，并且每一个被浸渍与与护套相容的材料。强度构件沿着横截面的轴线（52,54）设置，该轴线（52,54）垂直于穿过护套的纵向轴线（50）穿过的几何中心的轴线42。独立绝缘的导体（30-30）设置在纵向轴线附近，每个强度构件设置在导体和外壳的外表面之间。

10. 发明公开

EP0268205A3 Methods of and system for providing substantially error-free transmitted data 失效
标题翻译：提供主要的无错误传输数据的方法和系统
公开(公告)号：EP0268205A3
公开(公告)日：1989-08-02
申请号：EP87116694.8
申请日：1987-11-12
申请人： AT&T Corp.
发明人： Friesen, Harold Wayne , Haber, Janice Bilecky , Nutt, Wendell Glenn
IPC分类号： H04B3/32
CPC分类号： H04B3/32
摘要： In a system (20) for transmitting voice and data signals, insulated metallic conductor pairs (44-44) which transmit data signals and insulated metallic conductor pairs (46-46) which are capable of transmitting voice signals are enclosed in a common sheath system of a single cable (40). User pickup of station apparatus (34) during the generation of a ringing voltage on a voice conductor pair causes that pair to become disturbing and to impart impulse noise to a closely coupled data pair. The data pair is designated a disturbed pair and the signals transmitted thereby may be affected adversely. This problem is overcome by providing a circuit (80) comprising in parallel a resistance and an inductance and being in series with the station apparatus. Such an arrangement reduces substantially that frequency content of any disturbing signal which appears on the disturbing pair and which is in the range of the data signal spectrum. This reduces the magnitude of crosstalk between the voice and data pairs and results in substantially error-free transmitted data

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