Prs Bird Inlays A guitar pickup is essentially similar to a dynamic mike coil. For decades, active microphones have now been sent with the voice coil attached to the primary of the microphone's transformer, and not referenced to surface (‘floating'). The microphone's situation is normally attached to the cable guard, which will be attached to the mike amplifier's ground (see Rane's site for more discussion).
By and large, energetic microphones are very quiet products consequently of the mix of transformer solitude and healthy, hanging sign lines during, in addition to protected, humbucking coils.
Therefore why not guitars? Guitars are notoriously affected by noise. Humbucking pickups are just an incomplete (though important!) solution. The obvious solution is to float your guitar collection to a balanced production, just like a microphone. The same strategy was published that 2001 patent application such as Prs Bird Inlays?