The joystick is a complete conversion of pure physical action (the movement of the hand) into a mathematical form (a series of 0 and 1 computer languages). Using Holzer type linear sensor, low noise analog linear output is much lower than resistive noise.
C-TB17 SERIES Joystick T type rod controller-
The T bar controller provides excellent performance and reliability for video switches, mixers, and effect generators. The Holzer linear sensor has a low noise analog linear output and is much lower than resistor type noise
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