发明申请
- 专利标题： GROUND TO SPACE TO GROUND TRUNKING SYSTEM
- 专利标题（中）： 接地到地面系统
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申请号： US11854449申请日： 2007-09-12
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公开(公告)号： US20080002981A1公开(公告)日： 2008-01-03
- 发明人: George Valley , Thomas La France , Wah Lim
- 申请人： George Valley , Thomas La France , Wah Lim
- 申请人地址： US CA El Segundo 90245
- 专利权人： THE DIRECTV GROUP, INC.
- 当前专利权人： THE DIRECTV GROUP, INC.
- 当前专利权人地址： US CA El Segundo 90245
- 主分类号： H04B10/105
- IPC分类号： H04B10/105 ; H04J14/00
摘要：
A satellite trunking system has a satellite for sending and receiving optical signals. A first ground station is positioned on a first land mass and a second ground station is positioned on a second land mass. Each ground station communicates to the other ground stations through the satellite using optical signals.
公开/授权文献
- US2644405A Control system 公开/授权日：1953-07-07
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