Patent attributes
A three-dimensional control apparatus including a casing, the casing including a first surface and a second surface, the first surface being opposite to the second surface; and a three-dimensional (3D) controller including a first cap actuator, the first cap actuator including a first rounded control surface, at least a portion of the first rounded control surface extending beyond the first surface of the casing; a second cap actuator, the second cap actuator including a second rounded control surface, at least a portion of the second rounded control surface extending beyond the first surface of the casing, the first rounded control surface being aligned with the second rounded control surface; a first sensor to detect force on the first cap actuator; and a second cap sensor to detect force on the second cap actuator.