On the subject of patent offices, I found the below patent
concerning plasma antennas quite some time ago, and it inspired me to
simplify the design of Rife-type devices. The tube can be lit with
HV, like a neon sign, and modulated with separate means. This
eliminates the most troublesome and costly aspect of most Rife
devices, impedance matching, using RF as an ionizing force, balun
transformers, expensive RF amplifiers, standing wave calculations,
etc. I won't be using an audio transducer to modulate my plasma
device, as the audio level has to be 100 decibels (loud). Toroids or
permanent-magnet-core electromagnets (or other means) are simpler,
easier, and cheaper.
I also recently found a page on Rife devices that indicates the tube
acts as a speaker, producing high levels of ultrasound. However, the
author of the page discounted any contribution of ultrasound to Rife
effects, as in tests, people and microorganism cultures were too
distant from the tube, or shielded from ultrasound, for it to be a
factor. But who knows for sure?
James
United States Patent 6,087,992
Acoustically driven plasma antenna
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....
An ionizer and power supply provide a mechanism for maintaining a
plasma within the tube. The ionizer may comprise a laser, a rf
generator or an arc discharge device or any other device capable of
producing the plasma within the closed volume defined by the tube....
QUOTE(maximus242 @ Feb 13, 03:27 AM)

well they use either a air cooled or water cooled system for the coils, depends on the manufacturer. And the TMS will probably cost more than the EEG, with the TMS you will also have 10x the work to do because no one has done any work on making a cheap TMS. If you wanna start up it on sourceforge or get a project going then let me know cause I am up for it. However if your truely commited to making a TMS it is gonna take a lot of time and research.
A TMS will definitely cost more than openEEG, no doubt, but I'm willing to explore some alternative routes first (like the coil gun circuit) just to see if I can get _something_ done in relatively little time.
Besides, in the TMS text I pasted here there was mention of "online groups of DIY TMS'ers.". I translate that to mean we are not the first? The groups are just not public or just not on Google.
Some time ago, I had Bill Cheb make me a custom tube with an
iodine/neon mix. It is four inches long by one inch diameter.
This morning, I experimented with a few different kinds of modulation.
First, I connected an electromagnet to a CD player headphone jack.
The electromagnet was composed of a supermagnet (curved rectangle)
wrapped with one layer of medium gauge magnet wire, then covered in
heat-shrink tubing.
Interestingly, the supermagnet coil acted as a speaker, although at
low volume. I'm assuming this was not a form of electromagnetic
hearing. The idea with this coil was to modulate the extremely strong
field of the supermagnet. This produced lines in the plasma
perpendicular to the tube. The lines visibly vibrated when I heard
the signal.
The second method involved a toroid, a doughnut-shaped coil. Toroids
concentrate their field in the center. My idea was to "pinch" the
plasma in sync with the signals on the CD. This produced variations
in the appearance of the plasma also.
With both methods, I felt something just below the right ear. Hard to
describe.
Of course, the next tube will be much longer (25 inches), and I will
also be adding a mini audio amplifier between the electrromagnet and
the CD player. That should get the VLF radio waves going.
When a finger or conductor is touched to the center of the tube, an
imperfect separation in color occurs, yellow towards the positive
pole, purple towards the negative. The tube was, by the way, ionized
(lit) by a standard small neon transformer made for automotive use.