Evans Drum Head A guitar pickup is basically similar to a vibrant mike coil. For decades, vibrant microphones have been sent with the voice coil mounted on the primary of the microphone's transformer, and perhaps not recommended to surface (‘floating'). The microphone's situation is usually linked to the wire shield, which will be connected to the microphone amplifier's soil (see Rane's internet site for more discussion).
By and big, energetic microphones are very calm units consequently of the mixture of transformer isolation and healthy, floating transmission lines for the duration of, as well as guarded, humbucking coils.
Therefore why not guitars? Instruments are notoriously affected by noise. Humbucking pickups are only a partial (though crucial!) solution. The obvious solution is to float the guitar collection to a balanced productivity, just like a microphone. An identical strategy was printed that 2001 patent application like this Evans Drum Head?