发明名称 |
Time base for synchronous generation of frame and clock pulses |
摘要 |
The invention relates to high-security time bases. A time base comprises three synchronized generators which each deliver a clock signal 2h or a synchronizing signal Sy used for synchronizing frames. Each generator includes an oscillator driven by a phase comparator which receives the three clock signals and by an internal locking circuit which receives a signal connected to the external synchronizing signal and/or a signal connected to the synchronizing signal Sy inherent to the generator, the synchronizing signal Sy being synchronized by a majority circuit which receives the synchronizing signals Sy from the three generators. Application to data processing installations and in particular to telephone exchanges.
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申请公布号 |
US4164629(A) |
申请公布日期 |
1979.08.14 |
申请号 |
US19780903334 |
申请日期 |
1978.05.05 |
申请人 |
INDUSTRIELLE DES TELECOMMUNICATIONS |
发明人 |
JACOB, MICHEL;OLLIVIER, YVES |
分类号 |
H03L7/00;G06F1/04;G06F11/18;H03K5/15;H04J3/06;H04L1/20;H04L1/22;H04L7/04;H04Q11/04 |
主分类号 |
H03L7/00 |
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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