| 发明名称 |
Synchronous extremely low frequency (ELF) receiver |
| 摘要 |
An extremely low frequency (ELF) receiver that operates at the 6 Hz to 9 Hz range to synchronously receive signals from the electric (E) field or the magnetic (H) field of the earth's resonant (TS) frequency and other signals of interest.
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| 申请公布号 |
US2002065622(A1) |
申请公布日期 |
2002.05.30 |
| 申请号 |
US20010025520 |
申请日期 |
2001.12.18 |
| 申请人 |
BECKWITH ROBERT W. |
发明人 |
BECKWITH ROBERT W. |
| 分类号 |
H04B3/54;(IPC1-7):G06F19/00;G01R23/00 |
主分类号 |
H04B3/54 |
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