CPC G09F 9/302 (2013.01) [G09F 9/3026 (2013.01)] | 20 Claims |
1. A system comprising:
a first center column:
comprising a first tube; and
defining a set of drive windows arranged along the first tube;
a first bearing collar coupled to the first center column adjacent a first drive window, in the set of drive windows; and
a first brixel unit located adjacent the first drive window and comprising:
a first pixel element comprising:
a first face; and
a second face opposite the first face; and
an internal ring gear coupled to the first pixel element and defining an axis of rotation of the first pixel element;
a bearing housing:
coupled to the first pixel element; and
rotationally coupling the first pixel element to the first center column;
a motor arranged in the first drive window;
a drive pinion:
extending through the first drive window to rotationally couple the motor to the internal ring gear; and
a first local controller:
configured to access a first actuation routine; and
configured to drive the motor to locate the first pixel element over a sequence of angular positions, relative to the first center column, defined by the first actuation routine.
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