发明授权
US4656471A Circuit arrangement for connecting a subscriber to a bus line via switch
means under which prevents disabling of the bus line in the event of
driver failure
失效
用于通过开关装置将用户连接到总线的电路装置，用于在驱动器发生故障的情况下阻止总线线路的禁用
- 专利标题： Circuit arrangement for connecting a subscriber to a bus line via switch means under which prevents disabling of the bus line in the event of driver failure
- 专利标题（中）： 用于通过开关装置将用户连接到总线的电路装置，用于在驱动器发生故障的情况下阻止总线线路的禁用
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申请号： US695269申请日： 1985-01-28
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公开(公告)号： US4656471A公开(公告)日： 1987-04-07
- 发明人: Karl Hanss , Karl Schupp , Siegfried Block
- 申请人： Karl Hanss , Karl Schupp , Siegfried Block
- 申请人地址： DEX Munich
- 专利权人： Siemens Aktiengesellschaft
- 当前专利权人： Siemens Aktiengesellschaft
- 当前专利权人地址： DEX Munich
- 优先权： DEX3402633 19840126
- 主分类号： G06F11/00
- IPC分类号： G06F11/00 ; G06F13/40 ; H04L12/40 ; G08C25/00
摘要：
In bus systems, the subscriber stations transmitter/receiver of which each are connected to a bus line via a transmitter/receiver in a low impedance state, the problem exists that in the event of a disturbance of a transmitter or a short circuit at a transmitter, the bus line is coupled to a constant potential and thereby blocked. In order to prevent this, electronic switches which are switched into conduction only during transmission and have otherwise high impedance are connected between the outputs of the transmitters and the bus line.
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