发明名称 |
DYNAMIC ANTENNA TUNING SYSTEM FOR SYNCHRONOUS AND AUTOMATIC TUNING OF VLF ANTENNAS |
摘要 |
<p>A dynamic antenna tuning system particularly adapted for VLF frequency-shift (as opposed to on-off) keyed transmitters, employing saturable magnetic switching amplifiers providing variable tuning inductance between the antenna and transmitter and controlled to effect a gradual and not abrupt switching of the radio frequency during on-off transitions to enable narrow VLF frequency spectrum operation.</p> |
申请公布号 |
IN171626(B) |
申请公布日期 |
1992.11.28 |
申请号 |
IN1987DE38119 |
申请日期 |
1987.05.04 |
申请人 |
MEGAPULSE INCORPORATED |
发明人 |
JOHANESSEN PAUL ROMBERG;PLANCK PETER VER |
分类号 |
H03J7/02;H04L27/12;(IPC1-7):H04B1/02 |
主分类号 |
H03J7/02 |
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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