Ribbon controller

Early examples of the use of ribbon controllers in a musical instrument are in the Ondes Martenot and Trautonium.

In later ribbon controllers, the ring was replaced by a conductive layer that covered the resistive element.

[1] The Yamaha CS-80 synthesizer is well-known for its inclusion of a ribbon controller, used by Vangelis to create many of the characteristic sounds in the Blade Runner soundtrack.

[2] Although ribbon controllers are less common in analog later synthesizers, they were used in the Moog Liberation and Micromoog.

Later in 2010/2011, Korg released a series of minisynths called Monotron using the ribbon controller, it became so popular that it still in production in 2023.