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Logitech Cordless TrackMan Wheel trackball mose The original version of the Kensington Expert Mouse can use a standard American pool ball as a trackball. [citation needed]A trackball is a pointing device consisting of a ball held by a socket containing sensors to detect a rotation of the ball about two axes—like an upside-down ball mouse with an exposed protruding ball. [1]
The ball mouse replaced the external wheels with a single ball that could rotate in any direction. It came as part of the hardware package of the Xerox Alto computer. Perpendicular chopper wheels housed inside the mouse's body chopped beams of light on the way to light sensors, thus detecting in their turn the motion of the ball.
A mouse is a small handheld device pushed over a horizontal surface. A mouse moves the graphical pointer by being slid across a smooth surface. The conventional roller-ball mouse uses a ball to create this action: the ball is in contact with two small shafts that are set at right angles to each other.
#6 Bounce, Balance, And Boost Productivity With The Classic Balance Ball Chair. Review: "The chair assembled and inflated easily. It is a great fit for me, requiring that I correct my posture or ...
After the steel mouse ball was given a silicone rubber surface, the popular fabric-surface mousepad was found to be the most appropriate. It helped keep the rubberized roller-ball surface cleaner and gave better tracking, speed, and accuracy than just a desk surface.
Rollerball pen, a type of ballpoint pen and ink; Roller ball (pointing device), a trackball-device invented by Ralph Benjamin; Rollerball, a science fiction film based on the short story "Rollerball Murder" Rollerball, a remake of the 1975 film; Rollerball, a 1988 pinball-themed video game for the NES