发明名称 |
Satellite telecommunications system |
摘要 |
A satellite telecommunications system having peripheral stations and a central station which communicate with each other via a satellite. The central station transmits a reference frequency to the peripheral stations via the satellite. The central station receives the reference frequency, determines the frequency drift and transmits a controlling signal to the satellite. The reference frequency transmitted by the satellite is controlled by the controlling signal so as to be stable in time.
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申请公布号 |
US4509200(A) |
申请公布日期 |
1985.04.02 |
申请号 |
US19830478107 |
申请日期 |
1983.03.23 |
申请人 |
THOMSON-CSF |
发明人 |
LUGINBUHL, PIERRE;PARNIERE, ALAIN;ARGINTARU, LAZARE |
分类号 |
H04B7/15;H04B7/208;(IPC1-7):H04B7/185 |
主分类号 |
H04B7/15 |
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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