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1.发明授权Digital communication electrical/optical access node having buffer memory matrix for switchable multi-channel bidirectional transmission 失效具有用于可切换多通道双向传输的缓冲存储器矩阵的数字通信电气/光学访问节点
公开(公告)号：US5214638A
公开(公告)日：1993-05-25
申请号：US610524
申请日：1990-11-08
CPC分类号： H04Q11/04
摘要： The network access node of a digital communication system for the bidirectional transmission of message signals between, for example, a switching center and subscribers as an electrically switchable connection between the lines to the switching centers with a first interface and the lines to the subscribers with a second interface. The first interface is preferably an interface for a time-division multiplex signal with a transmission rate of 2 Mbit/s; the second interface is preferably an interface for signals in multiple access with time-division multiplex (TDM/TDMA). The buffer memory of the TDM/TDMA system is made up of partial memories arranged as a matrix. The partial memories are used simultaneously as a buffer memory for the circuit of the paths.
摘要翻译： 数字通信系统的网络接入节点，用于在诸如交换中心和用户之间的消息信号的双向传输之间，作为具有第一接口的交换中心的线路之间的电可切换连接，以及具有用户 第二个接口 第一接口优选地是用于具有2Mbit / s的传输速率的时分复用信号的接口; 第二接口优选地是用于具有时分复用（TDM / TDMA）的多路访问中的信号的接口。 TDM / TDMA系统的缓冲存储器由作为矩阵排列的部分存储器构成。 部分存储器同时用作路径电路的缓冲存储器。
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公开(公告)号：US06490065B2
公开(公告)日：2002-12-03
申请号：US09010334
申请日：1998-01-21
IPC分类号： H04J1402
CPC分类号： H04B10/272
摘要： A system (SYS) for optically transmitting information, e.g., television signals, from a subcenter (HUB), e.g., a cable television head end, over a passive optical distribution network to a plurality of optical network units (ONU) includes a plurality of nodes (K1, . . . , Km) for optically transmitting further information, e.g., telephone signals, and a plurality of optical couplers (C1, C2). The further information of each node (K1, . . . , Km) is fed via a respective coupler (C1, C2) into a transmission line connected to only part of the plurality of optical network units (ONU), e.g., to only one optical network unit (ONU). Each optical network unit (ONU) is connected to a group of customer locations (END) and, for the transmission of information from this group of customer locations (END), via a further passive optical distribution network to a node (K1, . . . , Km). Each node (K1, . . . , Km,) includes means for separating the information received from the customer locations into, e.g., interactive request signals and telephone signals. The interactive request signals are routed to the subcenter (HUB), and the telephone signals to a telephone network (NET).
摘要翻译： 用于从无源光分布网络到多个光网络单元（ONU）的子中心（HUB）（例如，有线电视头端部）光学地传送诸如电视信号的信息的系统（SYS）包括多个 用于光学传输更多信息（例如电话信号）和多个光耦合器（C1，C2）的节点（K1，...，Km）。 每个节点（K1，...，Km）的进一步信息通过相应的耦合器（C1，C2）馈送到仅连接到多个光网络单元（ONU）的一部分的传输线，例如仅一个 光网络单元（ONU）。 每个光网络单元（ONU）连接到一组客户位置（END），并且为了将来自该组客户位置（END）的信息经由另一无源光分配网络传输到节点（K1，...） 。，Km）。 每个节点（K1，...，Km）包括用于将从客户位置接收的信息分离成例如交互式请求信号和电话信号的装置。 交互式请求信号被路由到子中心（HUB），并且电话发信号到电话网络（NET）。
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公开(公告)号：US06823139B2
公开(公告)日：2004-11-23
申请号：US10241270
申请日：2002-09-09
IPC分类号： H04J1402
CPC分类号： H04B10/272
摘要： A system (SYS) for optically transmitting information, e.g., television signals, from a subcenter (HUB), e.g., a cable television head end, over a passive optical distribution network to a plurality of optical network units (ONU) includes a plurality of nodes (K1, . . . , Km) for optically transmitting further information, e.g., telephone signals, and a plurality of optical couplers (C1, C2). The further information of each node (K1, . . . , Km) is fed via a respective coupler (C1, C2) into a transmission line connected to only part of the plurality of optical network units (ONU), e.g., to only one optical network unit (ONU). Each optical network unit (ONU) is connected to a group of customer locations (END) and, for the transmission of information from this group of customer locations (END), via a further passive optical distribution network to a node (K1, . . . , Km). Each node (K1, . . . , Km,) includes means for separating the information received from the customer locations into, e.g., interactive request signals and telephone signals. The interactive request signals are routed to the subcenter (HUB), and the telephone signals to a telephone network (NET).
摘要翻译： 用于从无源光分布网络到多个光网络单元（ONU）的子中心（HUB）（例如，有线电视头端部）光学地传送诸如电视信号的信息的系统（SYS）包括多个 用于光学传输更多信息（例如电话信号）和多个光耦合器（C1，C2）的节点（K1，...，Km）。 每个节点（K1，...，Km）的进一步信息通过相应的耦合器（C1，C2）馈送到仅连接到多个光网络单元（ONU）的一部分的传输线，例如仅一个 光网络单元（ONU）。 每个光网络单元（ONU）连接到一组客户位置（END），并且为了将来自该组客户位置（END）的信息经由另一无源光分配网络传输到节点（K1，...） 。，Km）。 每个节点（K1，...，Km）包括用于将从客户位置接收的信息分离成例如交互式请求信号和电话信号的装置。 交互式请求信号被路由到子中心（HUB），并且电话发信号到电话网络（NET）。
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公开(公告)号：US4132865A
公开(公告)日：1979-01-02
申请号：US837672
申请日：1977-09-29
申请人： Kalman Szechenyi
发明人： Kalman Szechenyi
CPC分类号： H04Q3/521 , H03K17/162 , H03K2217/0018
摘要： An electronic switch including a MOS transistor is disclosed wherein a monitoring circuit is allotted which when the bias of the MOS transistor fails prevents negative input voltages from unintentionally turning on the MOS transistor. When a plurality of MOS transistors are used as switching elements each matrix is allotted one monitoring circuit, each of which includes a MOS transistor.
摘要翻译： 公开了一种包括MOS晶体管的电子开关，其中分配了监控电路，当MOS晶体管的偏压不能防止负输入电压无意导通MOS晶体管时。 当使用多个MOS晶体管作为开关元件时，每个矩阵被分配一个监控电路，每个监控电路包括一个MOS晶体管。
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公开(公告)号：US4156153A
公开(公告)日：1979-05-22
申请号：US836641
申请日：1977-09-26
申请人： Kalman Szechenyi
发明人： Kalman Szechenyi
CPC分类号： H03K17/162 , H04Q3/521
摘要： An electronic switch comprised of a C-MOS transistor is described. Associated with this transistor is a network consisting of MOS transistors which prevents the C-MOS transistor from being inadvertently turned on as a result of negative input voltages in the absence of bias voltages. When a plurality of C-MOS transistors of the disclosed configuration are utilized as switching elements of a matrix each such matrix is allotted one such network.
摘要翻译： 描述由C-MOS晶体管构成的电子开关。 与该晶体管相关联的是由MOS晶体管组成的网络，其防止由于在没有偏置电压的情况下的负输入电压而导致C-MOS晶体管无意地导通。 当所公开的配置的多个C-MOS晶体管用作矩阵的开关元件时，每个这样的矩阵被分配一个这样的网络。
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公开(公告)号：US4015190A
公开(公告)日：1977-03-29
申请号：US568547
申请日：1975-04-16
申请人： Lorenz Gasser , Kalman Szechenyi
发明人： Lorenz Gasser , Kalman Szechenyi
摘要： An electronic switch arrangement reverses damping of an electronic switching element by means of a controllable negative resistance. Adjustment of the negative resistance is provided by comparing a measuring current through the arrangement to a preselected reverse current.
摘要翻译： 电子开关装置通过可控负电阻来反转电子开关元件的阻尼。 通过将通过该布置的测量电流与预选的反向电流进行比较来提供负电阻的调整。
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公开(公告)号：US3987381A
公开(公告)日：1976-10-19
申请号：US568343
申请日：1975-04-15
申请人： Kalman Szechenyi
发明人： Kalman Szechenyi
摘要： An electronic resistance arrangement having symmetrical structure and properties comprises four series-connected negative-resistance elements having negative feedback operational amplifiers. A measuring current can be fed to the center of the arrangement whereby both halves of the arrangement can be independently controlled for compensating a resistance.
摘要翻译： 具有对称结构和性质的电子电阻装置包括具有负反馈运算放大器的四个串联的负电阻元件。 可以将测量电流馈送到布置的中心，由此可以独立地控制布置的两半以补偿电阻。
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公开(公告)号：US5271037A
公开(公告)日：1993-12-14
申请号：US772918
申请日：1991-10-10
申请人： Kalman Szechenyi
发明人： Kalman Szechenyi
CPC分类号： H04B3/32
摘要： Line equipment, preferably a line terminating device, in a communications system including transmitting and receiving circuits to which are connected transmitting lines and receiving lines includes at least one receiving circuit that is equipped with a circuit arrangement for compensating crosstalk. A single circuit arrangement effects the compensation of crosstalk between a plurality of transmitting lines and a receiving line. For compensation, a reference signal of the transmitted signal is branched off from each transmitting circuit and an adaptive filter simulates a compensation signal. The individual compensation signals are mixed into the received signals through the subtraction inputs of a subtraction circuit. Part of the output signal of the subtraction circuit is fed to the control signal inputs of the adaptive filters, the other part is processed further to become the received signal.
摘要翻译： 在包括发送和接收电路的通信系统中的线路设备，优选线路终端设备，连接的发送线路和接收线路包括至少一个接收电路，其配备有用于补偿串扰的电路装置。 单个电路布置影响多条发送线和接收线之间的串扰的补偿。 为了补偿，发送信号的参考信号从每个发送电路分支，并且自适应滤波器模拟补偿信号。 各个补偿信号通过减法电路的减法输入混合到接收信号中。 减法电路的输出信号的一部分馈送到自适应滤波器的控制信号输入端，另一部分被进一步处理成为接收信号。
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公开(公告)号：US4878229A
公开(公告)日：1989-10-31
申请号：US203672
申请日：1988-06-07
申请人： Kalman Szechenyi
发明人： Kalman Szechenyi
CPC分类号： H04L7/0058 , H04J3/0608 , H04L7/04
摘要： A fast adjustment of sampling clock phase may be accomplished by calculating the values of the pre-oscillations and post-oscillations that would have been present at each sampling instant to form a correction value so that they may then be subtracted from the measured sample value and only the influence of the distorted unique word remains. Usable control information for readjusting the phase of the sampling clock may thus be derived after only one frame synchronization word has been detected. In a preferred embodiment, the required pre-oscillation and post-oscillation values are derived from the regenerated character data; rather than correcting the sample values themselves, correction values are derived which are used to correct quantities derived from the sample values. The transmission coefficients of the transmission path used to derive the required pre-oscillation and post-oscillation values from the regenerated characters may be either established a priori or derived from the equalization coefficients of an otherwise conventional adaptive equalizer.
摘要翻译： 可以通过计算在每个采样时刻存在的预振荡和后振荡的值来形成采样时钟相位的快速调整以形成校正值，从而可以从测量的样本值中减去它们， 只有扭曲的独特词语的影响才能保留下来。 因此，可以在仅检测到一个帧同步字之后导出用于重新调整采样时钟的相位的可用控制信息。 在优选实施例中，从再生字符数据导出所需的预振荡和后振荡值; 而不是校正样本值本身，导出用于校正从样本值导出的量的校正值。 用于从再生字符导出所需的预振荡和后振荡值的传输路径的传输系数可以先验地建立，或者从另一常规的自适应均衡器的均衡系数导出。
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10.发明授权Circuit arrangement for frame and phase synchronization of a local sampling clock 失效本地采样时钟的帧和相位同步的电路布置
公开(公告)号：US4598413A
公开(公告)日：1986-07-01
申请号：US649866
申请日：1984-09-12
申请人： Kalman Szechenyi
发明人： Kalman Szechenyi
CPC分类号： H04J3/0608 , H04L7/042 , H04L7/08
摘要： With such a circuit arrangement, the sampling clock is synchronized to the frame position and the phase of the characters of a received character stream containing a "unique word" at regular intervals. In a digital correlator (1), a crosscorrelation function is generated from a unique word stored therein and from the received, sampled character stream, and a frane detection circuit (2) derives a frame clock (RT1) from those maxima of the crosscorrelation function recurring at intervals of one frame period. To achieve synchronization at any polarity of the received character stream (i.e., even if the tip and ring wires of the subscriber line are interchanged), a second frame detection circuit (3) derives a second frame clock (RT2) from those minima of the crosscorrelation function recurring at intervals of one frame period. A clock selection circuit (8) determines which of the two frame clocks is received within a limited time interval. From this frame clock, control information for representing the phase of the sampling clock (AT) is derived in a phase synchronization circuit (10).
摘要翻译： 利用这种电路装置，采样时钟以规则的间隔与帧位置和包含“唯一字”的接收字符流的字符的相位同步。 在数字相关器（1）中，从存储在其中的唯一字和从接收到的采样字符流生成互相关函数，并且检波电路（2）从相关函数的最大值中导出帧时钟（RT1） 以一帧周期的间隔重复。 为了实现接收到的字符流的任何极性的同步（即，即使用户线的尖端和环形线互换），第二帧检测电路（3）从第二帧时钟（RT2） 交叉相关函数以一帧周期的间隔重复。 时钟选择电路（8）确定在有限时间间隔内接收到两个帧时钟中的哪一个。 从该帧时钟，在相位同步电路（10）中导出用于表示采样时钟（AT）的相位的控制信息。
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