Electric Guitar Violin Bridge A electric guitar pickup is basically just like a dynamic microphone coil. For decades, active microphones have now been wired with the voice coil mounted on the principal of the microphone's transformer, and perhaps not called to ground (‘floating'). The microphone's event is normally attached to the cable guard, which can be connected to the mike amplifier's ground (see Rane's website for more discussion).
By and large, energetic microphones are very calm devices consequently of the mixture of transformer isolation and balanced, flying transmission lines throughout, as well as shielded, humbucking coils.
So why not guitars? Instruments are once affected by noise. Humbucking pickups are only a partial (though important!) solution. The obvious solution is always to float the guitar collection to a healthy production, as being a microphone. The same strategy was printed this 2001 patent software like this Electric Guitar Violin Bridge?