发明名称 |
Frequency clock synchronisation. |
摘要 |
<p>An apparatus for frequency clock synchronisation between a trunk clock frequency and a local clock frequency wherein frequency comparison is made at the local clock frequency source by a frequency comparator (31) and a correction signal (39) is generated. The correction signal (39) is transmitted from the frequency comparator (31) to the local clock frequency source (33) through a common control bus (25).</p> |
申请公布号 |
EP0338668(A2) |
申请公布日期 |
1989.10.25 |
申请号 |
EP19890302134 |
申请日期 |
1989.03.03 |
申请人 |
GEC PLESSEY TELECOMMUNICATIONS LIMITED |
发明人 |
HUNNEYBALL, TIMOTHY JOHN |
分类号 |
H04L7/00;G04B31/08;H04J3/06 |
主分类号 |
H04L7/00 |
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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