| 发明名称 |
Satellite continuous coverage constellations |
| 摘要 |
Satellite hemispheric and global coverage with a minimum number of satellites includes a three-satellite elliptic orbit constellation covering the entire Northern (or Southern) Hemisphere and a four-satellite constellation giving continuous global coverage.
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| 申请公布号 |
US4809935(A) |
申请公布日期 |
1989.03.07 |
| 申请号 |
US19850760905 |
申请日期 |
1985.07.31 |
| 申请人 |
ANALYTIC SERVICES, INC. |
发明人 |
DRAIM, JOHN E. |
| 分类号 |
B64G1/10;B64G1/24;H04B7/195;(IPC1-7):B64G1/10 |
主分类号 |
B64G1/10 |
| 代理机构 |
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