The guitar company Fernandes had a simmilar system. It was known as the Sustainer and was an active guitar with a hugely powerful magnet replacing the front pickup.
And there's always the eBow......
CA StreamMagic 6 | CA 751BD | CA 651A | PMC DB1i
Moderator. mail: john.duncan.whf at the mail of g dot com
...but might need to learn more than the 6 chords I currently know to make it worthwhile...
Sources: Technics SL1210Mk2 with Denon DL110/AT-95E, Mac Mini, Virgin V+.
Amplification: Cyrus 2.
Speakers: Mordaunt Short MS20i Pearls with Fisual Super Pearl 2.5mm cable.
Other kit: More than I should have. My loft is creaking.
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