Zildjian New Beat Hi Hat A guitar pickup is actually much like a vibrant mike coil. For decades, energetic microphones have been sent with the style coil attached with the principal of the microphone's transformer, and perhaps not referenced to soil (‘floating'). The microphone's case is usually connected to the wire guard, which can be attached to the mike amplifier's surface (see Rane's site for more discussion).
By and large, active microphones are extremely calm units consequently of the mix of transformer isolation and healthy, flying sign lines through the duration of, in addition to shielded, humbucking coils.
Therefore why not guitars? Instruments are notoriously plagued by noise. Humbucking pickups are only a partial (though essential!) solution. The obvious alternative is always to float the guitar pickup to a healthy production, as being a microphone. An identical thought was printed that 2001 patent program like this Zildjian New Beat Hi Hat?