Acoustically driven plasma antenna

Details Acoustically driven plasma antenna Acoustically driven plasma antenna

1999-03-22

2000-07-11

Wong, Don

Communications: radio wave antennas

Antennas

Having electric space discharge device

315111, 333 99PL, 250282, H01Q 126

Patent

active

060879920

ABSTRACT:
A plasma antenna with an acoustic modulator is provided. An ionizer produ a plasma in a horizontal tube to form a bounded plasma column extending along a longitudinal axis. An amplitude-, phase- or frequency-modulated signal is applied to an acoustic transducer that directs an acoustic wave along the longitudinal axis into the plasma. The acoustic wave acts as an ion acoustic wave to oscillate ions parallel to the axis. This movement radiates an amplitude-, phase- or frequency-modulated electromagnetic field from the plasma column.

REFERENCES:
patent: 3914766 (1975-10-01), Moore
patent: 4066893 (1978-01-01), Dawson
patent: 4185213 (1980-01-01), Scannell

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