Kanji Handwriting Keyboard A electric guitar pickup is basically just like a powerful mike coil. For decades, energetic microphones have now been wired with the style coil mounted on the primary of the microphone's transformer, and not introduced to surface (‘floating'). The microphone's case is typically attached to the wire shield, that will be connected to the microphone amplifier's floor (see Rane's internet site for more discussion).
By and big, energetic microphones are very quiet products as a result of the combination of transformer isolation and balanced, flying indication lines for the duration of, as well as protected, humbucking coils.
Therefore why don't you guitars? Instruments are notoriously overwhelmed by noise. Humbucking pickups are just a partial (though important!) solution. The most obvious alternative is always to float the guitar collection to a healthy productivity, as being a microphone. The same idea was published this 2001 patent request such as Kanji Handwriting Keyboard?