发明名称 Antenna control system
摘要 An antenna control system enabling the remote variation of antenna beam tilt. A drive means continuously adjusts phase shifters of a feed distribution network to radiating elements to continuously vary antenna beam tilt. A controller enables the beam tilt of a number of antenna at a site to be remotely varied.
申请公布号 US2003048230(A1) 申请公布日期 2003.03.13
申请号 US20020147532 申请日期 2002.05.17
申请人 发明人 HEINZ WILLIAM EMIL;EHLEN MATHIAS MARTIN ERNEST
分类号 H01P1/18;H01Q1/12;H01Q1/24;H01Q3/26;H01Q3/32;H01Q21/08;(IPC1-7):H01Q3/00;H01Q21/00 主分类号 H01P1/18
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