发明名称 |
IMPROVEMENTS IN OR RELATING TO DATA INTERCONNECTING NETWORKS |
摘要 |
A circuit for signal generation and synchronization is disclosed for a ring network in which a number of stations communicate with each other. The circuit, which is provided at each station in the ring, includes a phase locked loop which loosely couples the transmit and receive clocks of each station during a repeater mode of operation. During a transmit mode the receive and transmit clocks are de-coupled so that phase delay around the ring does not degrade the transmit clock each time a transmission is initiated. The circuit includes logic gates for detecting the transmission of a token, means for generating a token and means for jam syncing the transmit and receive clocks to detect transistions in the incoming data during the repeater mode and after a token has been generated at the end of the transmit mode. |
申请公布号 |
DE3377103(D1) |
申请公布日期 |
1988.07.21 |
申请号 |
DE19833377103 |
申请日期 |
1983.09.07 |
申请人 |
A.B. DICK COMPANY |
发明人 |
AMPULSKI, JOSEPH WILLIAM;FURAKAWA, JAMES NOBORU;KESNER, DONALD RAY;BERNAL, RONALD DANIEL |
分类号 |
H04L12/42;(IPC1-7):H04L11/16;H04J3/06 |
主分类号 |
H04L12/42 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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