Communications: radio wave antennas – Antennas – Having electric space discharge device
Patent
1999-03-23
2000-09-12
Wong, Don
Communications: radio wave antennas
Antennas
Having electric space discharge device
343720, H01Q 126
Patent
active
061184071
ABSTRACT:
A horizontal plasma antenna is provided. An ionizer generates an ionizing am through a horizontal tube to form a bounded plasma column extending along a horizontal axis in a gravity field. An amplitude or frequency modulating signal is applied to Helmholtz coils to control a horizontal magnetic field that is perpendicular to the horizontal axis. The resulting changes in the magnetic field produce a drift current in the plasma that, in turn, radiates an amplitude or phase modulated electromagnetic field from the plasma column.
REFERENCES:
patent: 3914766 (1975-10-01), Moore
patent: 5017835 (1991-05-01), Oechsner
patent: 5225740 (1993-07-01), Ohkawa
patent: 5450223 (1995-09-01), Wagner et al.
patent: 5594456 (1997-01-01), Norris et al.
patent: 5648701 (1997-07-01), Hooke et al.
Gauthier Robert W.
Lall Prithvi C.
McGowan Michael J.
Nguyen Hoang
The United States of America as represented by the Secretary of
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