发明名称 |
COMBINATION SATELLITE AND TERRESTRIAL ANTENNA |
摘要 |
A combined antenna system used for both vehicles and structures, whereby a satellite antenna is placed concentrically around a conventional mast antenna that can be used for both conventional FM radio and also terrestrial retransmission of the satellite broadcast signals. The combined antenna system, in a vehicle implementation, is configured to use only the one hole created in the vehicle manufacturing process, thereby preventing the necessity of drilling a second hole for the satellite antenna, which alleviates deterioration of the vehicle's body. Additionally, because the combined antenna system can be advantageously placed, a shorter RF cable connecting it to a receiver box can be implemented than otherwise would be the case for a satellite antenna located on a window or roof of a vehicle. In an alternative embodiment, the satellite antenna can be mounted on either a fixed or retractable terrestrial antenna, thereby raising the satellite antenna to a higher elevation with respect to any obstacles on the vehicle or structure. |
申请公布号 |
WO2004017459(A9) |
申请公布日期 |
2004.07.29 |
申请号 |
WO2003US25262 |
申请日期 |
2003.08.13 |
申请人 |
XM SATELLITE RADIO INC.;DELPHI-D ANTENNA SYSTEMS |
发明人 |
PETROS, ARGY;HELSTROM, TERRY, C.;ZAFAR, IMTIAZ |
分类号 |
H01Q1/32;H01Q5/00;H01Q9/32;H01Q11/08;H01Q21/28;H01Q23/00;H01Q25/00;(IPC1-7):H01Q1/36 |
主分类号 |
H01Q1/32 |
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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