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2. 发明授权

US5105422A Circuit arrangement for information transmission 失效
标题翻译：信息传输的电路布置
公开(公告)号：US5105422A
公开(公告)日：1992-04-14
申请号：US373352
申请日：1989-06-28
申请人： Joachim J. Noll , Franz X. Meyer , Dieter A. H. Riekmann
发明人： Joachim J. Noll , Franz X. Meyer , Dieter A. H. Riekmann
IPC分类号： H04Q3/42 , H04M3/00 , H04Q5/00 , H04Q11/04
CPC分类号： H04Q11/0428 , H04M3/005
摘要： In the ISDN system complex line adapting circuits are provided on the two sides of the transmission line and they handle an extensive protocol. These circuits are divided into two sub-circuits connected to one another over fixed interfaces. The sub-circuit which is located nearest to the transmission line, however, is to have a considerably varying structure depending on the transmitting medium. For a modular structure it is now proposed to subdivide this sub-circuit into two partial circuits interconnected over a newly created simple binary interface. Thus, only the partial circuit which is located nearest to the transmission line needs to be specifically designed for the transmitting medium, for example, glass fibre lines, whereas the protocol management is performed in the other partial circuit, which always has the same structure irrespective of the transmitting medium. In addition, an efficient frame structure of the newly created binary interface is devised, wherein the data supplied by the other sub-circuit are converted and also the transmission error messages are processed.
摘要翻译：在ISDN系统中，复线路适配电路设置在传输线的两侧，它们处理广泛的协议。这些电路分为两个通过固定接口相互连接的子电路。然而，位于最靠近传输线的子电路将根据传输介质具有相当多变的结构。对于模块化结构，现在提出将该子电路细分为通过新创建的简单二进制接口互连的两个部分电路。因此，只有位于最靠近传输线路的部分电路需要被特别设计用于传输介质，例如玻璃纤维线路，而协议管理是在另一部分电路中执行的，其中总是具有相同的结构的传输介质。另外，设计了新创建的二进制接口的有效帧结构，其中由另一子电路提供的数据被转换，并且处理传输错误消息。

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