发明授权
- 专利标题: Continuously variable phase-shifter for electrically down-tilting an antenna
- 专利标题(中): 连续可变移相器的天线的电气倾斜
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申请号: EP98400302.0申请日: 1998-02-09
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公开(公告)号: EP0860890B1公开(公告)日: 2003-01-08
- 发明人: Drach, William C.
- 申请人: Radio Frequency Systems, Inc
- 申请人地址: 2 Ryan Road Marlboro, NJ 07747 US
- 专利权人: Radio Frequency Systems, Inc
- 当前专利权人: Radio Frequency Systems, Inc
- 当前专利权人地址: 2 Ryan Road Marlboro, NJ 07747 US
- 代理机构: Döring, Roger, Dipl.-Ing.
- 优先权: US805589 19970225
- 主分类号: H01P1/18
- IPC分类号: H01P1/18 ; H01Q1/32 ; H01Q3/26
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