Boss Drum Machine A guitar pickup is basically just like a vibrant mike coil. For many years, powerful microphones have now been wired with the style coil attached with the primary of the microphone's transformer, and perhaps not referenced to surface (‘floating'). The microphone's case is normally attached to the cable shield, that is connected to the mike amplifier's surface (see Rane's website for more discussion).
By and big, vibrant microphones are very calm units as a result of the mix of transformer solitude and balanced, suspended transmission lines for the duration of, along with guarded, humbucking coils.
So why don't you guitars? Guitars are once overwhelmed by noise. Humbucking pickups are merely an incomplete (though essential!) solution. Well-known option is always to float the guitar pickup to a balanced productivity, being a microphone. A similar thought was printed this 2001 patent application such as Boss Drum Machine?