I read the abstract and skimmed for a while. I guess the gray in the illustration is the dielectric? And the electrodes are recessed into it on the obverse and reverse faces?
The DC source provides a bias and the pulse generator the signal, filters to make them play nice?
That sounds like a plasma speaker (ionophone).
Quote:
Wikipedia
Plasma speaker - Wikipedia
Plasma speaker. Plasma speakers or ionophones are a form of loudspeaker which varies air pressure via an electrical plasma instead of a solid diaphragm.The plasma arc heats the surrounding air causing it to expand. Varying the electrical signal that drives the plasma and connected to the output of an...
|