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1. 发明授权

US4893309A Digital interface between at least two subscriber line interface circuits and a processing unit 失效
标题翻译：至少两个用户线接口电路和处理单元之间的数字接口
公开(公告)号：US4893309A
公开(公告)日：1990-01-09
申请号：US147428
申请日：1988-01-25
申请人： Robert Lechner , Hans-Werner Rudolf , Harald Stader , Norbert Wingerath , Christopher C. A. Priest , Nigel P. Dyer , Robert K. P. Galpin , Marcello Manca , Virgilio Mosca , Antonio Nicastro , Pierre Albouy , Robert Le Gougnec , Ramatchandirane Nadaradjane
发明人： Robert Lechner , Hans-Werner Rudolf , Harald Stader , Norbert Wingerath , Christopher C. A. Priest , Nigel P. Dyer , Robert K. P. Galpin , Marcello Manca , Virgilio Mosca , Antonio Nicastro , Pierre Albouy , Robert Le Gougnec , Ramatchandirane Nadaradjane
IPC分类号： H04Q3/42 , H04Q11/04
CPC分类号： H04Q11/0428
摘要： A digital interface between at least two subscriber line interface circuits and a processing unit is described. The interface is configured in the form of a parallel interface. The level of an input/output register and of a control register is allocated, as needed, to the connections of the processing unit. These connections can be operated selectively as inputs or outputs. They can also be operated in two modes, depending upon which type of subscriber line interface circuit (SLIC) is connected. The connections of the last-mentioned units are partially operable as inputs or outputs and partially operable only as inputs but in the input case, selectively for various types of input signals.
摘要翻译：描述了至少两个用户线接口电路和处理单元之间的数字接口。该接口以并行接口的形式配置。根据需要，将输入/输出寄存器和控制寄存器的电平分配给处理单元的连接。这些连接可以选择性地作为输入或输出。它们也可以以两种模式运行，具体取决于用户线路接口电路（SLIC）的连接类型。最后提到的单元的连接部分地可操作为输入或输出，并且仅部分地可用作输入，但在输入情况下，可选择性地用于各种类型的输入信号。

2. 发明授权

US4881226A Digital interface of an integrated subscriber line interface circuit 失效
标题翻译：集成用户线接口电路的数字接口
公开(公告)号：US4881226A
公开(公告)日：1989-11-14
申请号：US147429
申请日：1988-01-25
申请人： Robert Lechner , Hans-Werner Rudolf , Harald Stader , Norbert Wingerath , Christopher C. A. Priest , Nigel P. Dyer , Robert K. P. Galpin , Pierre Albouy , Robert Le Gougnec , Ramatchandirane Nadaradjane , Marcello Manca , Virgilio Mosca , Antonio Nicastro
发明人： Robert Lechner , Hans-Werner Rudolf , Harald Stader , Norbert Wingerath , Christopher C. A. Priest , Nigel P. Dyer , Robert K. P. Galpin , Pierre Albouy , Robert Le Gougnec , Ramatchandirane Nadaradjane , Marcello Manca , Virgilio Mosca , Antonio Nicastro
IPC分类号： H04Q3/42 , H04Q11/04
CPC分类号： H04Q11/0428
摘要： A digital interface of an integrated subscriber line interface circuit is provided. The interface serves for the connection of a signal processor unit. Individual connections are used as signal inputs in signal entry operation of the interface, and as signal outputs in signal transmission operation. Other connections are used as signal inputs in both operating mode, but receive different signals in each operating mode. One group of connections includes two registers with respective associated decoders to enable switching from one to the other, so that the number of operating instructions that can be represented by means of binary signal value combinations applied to the connections is doubled.
摘要翻译：提供了一种综合用户线接口电路的数字接口。该接口用于连接信号处理器单元。单个连接用作接口信号输入操作中的信号输入，并用作信号传输操作中的信号输出。其他连接用作两种工作模式下的信号输入，但在每种工作模式下都会接收不同的信号。一组连接包括两个具有各自相关联的解码器的寄存器，以使得能够从一个切换到另一个，使得可以通过应用于连接的二进制信号值组合来表示的操作指令的数量加倍。

3. 发明授权

US4858226A Method for the operation of an interface circuit between a central portion and local portions of a subscriber termination module of a digital time multiplex telecommunications network 失效
标题翻译：用于在数字时间多路复用电信网络的用户终端模块的中心部分和本地部分之间操作接口电路的方法
公开(公告)号：US4858226A
公开(公告)日：1989-08-15
申请号：US101112
申请日：1987-09-25
申请人： Hans-Werner Rudolf , Harald Stader , Norbert Wingerath , Robert Lechner
发明人： Hans-Werner Rudolf , Harald Stader , Norbert Wingerath , Robert Lechner
IPC分类号： H04Q11/04
CPC分类号： H04Q11/04
摘要： In a subscriber termination module for coupling a plurality of subscriber termination lines of a digital time multiplex telecommunications network, lines coupling a central portion and local portions individually allocated to at least one subscriber termination line are selectably utilized for the transmission of status setting information to the local portions for setting different operating conditions and for serial transmission, that is, successive transmission of information to be supplied to the individual local portions as well as for simultaneous information transmission from the local portions to the central portion, that is, parallel information transmission.
摘要翻译：在用于耦合数字时间多路复用电信网络的多个用户终端线路的用户终端模块中，耦合中心部分和单独分配给至少一个用户终端线路的本地部分的线路可选地用于将状态设置信息传输到用于设置不同操作条件和串行传输的本地部分，即，将要提供给各个本地部分的信息的连续传输以及从本地部分到中心部分的信息传输，即并行信息传输。

4. 发明授权

US4896351A Apparatus for separating dc current and ac current components of a composite signal 失效
标题翻译：用于分离复合信号的直流电流和交流电流分量的装置
公开(公告)号：US4896351A
公开(公告)日：1990-01-23
申请号：US61379
申请日：1987-06-15
申请人： Harald Stader , Hans W. Rudolf
发明人： Harald Stader , Hans W. Rudolf
IPC分类号： H04M3/22 , H04M19/02 , H03H11/04 , H03G11/02
CPC分类号： H04M19/026 , H04M3/2272
摘要： An apparatus for separating dc current and ac current signal portions of a composite signal. The apparatus has a main current path for carrying the composite signal. This path splits into a dc current path and into two dc blocked ac current paths. At the node a virtual ground potential for the ac current signal portions is generated with the aid of an inverting amplifier with negative feedback located in one of the ac current paths. Thus, only the dc current portions flow over the dc current path. In a preferred embodiment, the dc blocking is implemented by a capacitor in each ac current path, and the inverting amplifier is an operational amplifier, whose non-inverting input is at ground potential, whose inverting input is connected with the respective capacitor and whose output is connected both with the inverting input via an ohmic negative feedback resistor and with an impedance in the other ac current path.
摘要翻译：一种用于分离复合信号的直流电流和交流电流信号部分的装置。该装置具有用于承载复合信号的主电流路径。该路径分为直流电流路径和两个直流阻塞交流电流路径。在节点处，借助位于交流电流路径中的一个负反馈的反相放大器，产生交流电流信号部分的虚拟接地电位。因此，只有直流电流部分流过直流电流路径。在优选实施例中，直流阻塞由每个交流电流路径中的电容器实现，并且反相放大器是运算放大器，其非反相输入处于地电位，其反相输入与相应的电容器连接，并且其输出通过欧姆负反馈电阻与反相输入端连接，并在另一个交流电流路径中与阻抗相连。

5. 发明授权

US4916734A Apparatus for separating dc current and ac current components of a composite signal 失效
标题翻译：用于分离复合信号的直流电流和交流电流分量的装置
公开(公告)号：US4916734A
公开(公告)日：1990-04-10
申请号：US332825
申请日：1989-04-03
申请人： Harald Stader , Hans W. Rudolf
发明人： Harald Stader , Hans W. Rudolf
IPC分类号： H04M3/22 , H04M19/02
CPC分类号： H04M19/026 , H04M3/2272
摘要： An apparatus for separating dc current and ac current signal portions of a composite signal. The apparatus has a main current path for carrying the composite signal. This path splits into a dc current path and into two dc blocked ac current paths. At the node a virtual ground potential for the ac current signal portions is generated with the aid of an inverting amplifier with negative feedback located in one of the ac current paths. Thus, only the dc current portions flow over the dc current path. In a preferred embodiment, the dc blocking is implemented by a capacitor in each ac current path, and the inverting amplifier is an operational amplifier, whose non-inverting input is at ground potential, whose inverting input is connected with the respective capacitor and whose output is connected both with the inverting input via an ohmic negative feedback resistor and with an impedance in the other ac current path.

6. 发明授权

US4701947A Circuit arrangement for suppressing interference signals on the receiving arm of a telephone subscriber line circuit 失效
标题翻译：用于抑制电话用户线电路的接收臂上的干扰信号的电路装置
公开(公告)号：US4701947A
公开(公告)日：1987-10-20
申请号：US873010
申请日：1986-06-11
申请人： Harald Stader
发明人： Harald Stader
IPC分类号： H04M1/74 , H04M19/00 , H04Q11/04 , H04Q3/24
CPC分类号： H04M19/005
摘要： A circuit arrangement for suppressing interference signals on the receiving arm of a subscriber line circuit is constructed from electronic components and thus comprises no speech transformers. The receiving arm of the subscriber line circuit (SLIC) is connected to a two-pole filter circuit (ZF) which consists of the parallel arrangement of a parallel--and a series--resonance circuit (LP,CP and LS,CS), the resonance frequency of which corresponds to the frequency of the signals which are fed-in for the transmission of charge pulses and which charge pulses can manifest themselves as interference signals when reflected without the provision of the described measures.
摘要翻译：用于抑制用户线电路的接收臂上的干扰信号的电路装置由电子部件构成，因此不包括语音变压器。用户线电路（SLIC）的接收臂连接到由并联和串联谐振电路（LP，CP和LS，CS）的并联组成的双极滤波电路（ZF），其谐振频率对应于用于传送充电脉冲的馈入的信号的频率，并且哪些充电脉冲可以在没有提供所述措施的情况下反映为干扰信号。

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