发明授权
US3936609A Submultiplex transmission of alarm status signals for a time division
multiplex system
失效
用于时分复用系统的报警状态信号的多路复用传输
- 专利标题： Submultiplex transmission of alarm status signals for a time division multiplex system
- 专利标题（中）： 用于时分复用系统的报警状态信号的多路复用传输
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申请号： US442522申请日： 1974-02-14
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公开(公告)号： US3936609A公开(公告)日： 1976-02-03
- 发明人: Gary C. Waldeck
- 申请人： Gary C. Waldeck
- 申请人地址： IL Northlake
- 专利权人： GTE Automatic Electric Laboratories Incorporated
- 当前专利权人： GTE Automatic Electric Laboratories Incorporated
- 当前专利权人地址： IL Northlake
- 主分类号： H04J3/06
- IPC分类号： H04J3/06 ; H04J3/14
摘要：
A time division multiplex system includes a status channel as well as a plurality of information channels and a frame synchronization channel in each frame. A submultiplexer combines a "winking" framing pulse with four different status signals to derive a four-state code. One state of the code contains a "winking" submultiplexer framing signal, and the other states transmit status information to control system alarm and restoral conditions.
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