How It Works
The neGcon worked by means of gears turning the shafts of potentiometers. This system greatly reduced the logic required in the controller (important at the time) compared to a quadrature encoder-based system by removing the need for self-calibration and converting relative position to absolute position. The center pivot of the neGcon utilized a ring-gear driving a pinion on the shaft of the potentiometer, while the 3 analogue buttons each employed a rack driving similar pinions. These systems were large, with two potentiometers in the left half of the controller for the L shoulder button and center pivot and two potentiometers in the right half of the controller for the Ⅰ and Ⅱ buttons. Lack of space inside the unit precluded an analogue R shoulder button.
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