Guitar Center Westwood A guitar pickup is essentially much like a powerful microphone coil. For decades, active microphones have been sent with the voice coil attached with the primary of the microphone's transformer, and not called to surface (‘floating'). The microphone's event is typically connected to the cable shield, which will be attached to the mike amplifier's soil (see Rane's site for more discussion).
By and big, powerful microphones are extremely quiet products consequently of the mixture of transformer solitude and healthy, floating transmission lines through the duration of, in addition to guarded, humbucking coils.
Therefore why not guitars? Guitars are once affected by noise. Humbucking pickups are merely an incomplete (though essential!) solution. The obvious answer is to move your guitar pickup to a healthy result, just like a microphone. An identical idea was printed this 2001 patent program such as Guitar Center Westwood?