Electronic Valve Instrument
My prototype instrument is patented (# US 9,024,168) and currently packaged in a professional Hammond enclosure and uses a trumpet mouthpiece. It has three capacitive touch "valves" and a proximity sensor. Chords / Triads can be played by touching all three buttons and melody can be played with one finger. Better than the old Kimball organ "one finger playing" my instrument follows with the accompaniment in the tempo or rhythm set by the player.
I also have plans to make an educational kit out of it with 3D printer files and software code for common microcontroller boards like Arduino. It will be accompanied or sold as a book that can be used in the classroom as a STEAM project including Science and Technology of capacitive and proximity sensing & artificial intelligence, Electronics, Art (music theory) and Math in the form of Markov Chains and probabilities.
Thirdly I have recently developed an iPhone App version of the EVI. I have already had a keyboard version on the App Store.
The following video is of the MIDI Guitar version of my patent:
Here is the keyboard app based on same patent:
The innovation as proven by the issue of the patent in 2015 is that in all versions of the instrument, the chord or key of the instrument is easily changed by the hand over the proximity sensor.