发明名称 Efficient high latitude service area satellite mobile broadcasting systems
摘要 Satellite audio broadcasting systems include orbital constellations for providing high elevation angle coverage of audio broadcast signals from the constellation's satellites to fixed and mobile receivers within service areas located at geographical latitudes well removed from the equator.
申请公布号 US6564053(B1) 申请公布日期 2003.05.13
申请号 US20000692780 申请日期 2000.10.19
申请人 SIRIUS SATELLITE RADIO INC. 发明人 BRISKMAN ROBERT D.;NELSON ROBERT A.
分类号 H04B7/185;H04B7/19;H04B7/195;H04H40/90;(IPC1-7):H04B1/69 主分类号 H04B7/185
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