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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]
Kensington's first trackball mouse was the Turbo Mouse for Macintosh released in 1986 and trackballs have since been one of the major offerings by the company. Their first laptop physical security lock was made in 1992. [6] Kensington also produced accessories for portable devices like the iPod, including the Stereo Dock in 2005. [7]
Kensington currently offers several models of trackball mice with a large "scroll ring" that surrounds the ball itself and is rotated using multiple fingers instead of only the index finger as on the scroll wheel of a conventional mouse. Some ThinkPad laptops allow scrolling using the pointing stick by holding a button above the touch pad. [17]
An optical trackpad is an input device based on an optical sensor, which detects the displacement of a finger that is moving on top of it. [1] The sensor is used typically in smartphones , where it replaces the D-pad , and in ultra-portable or ultra-mobile PCs , where it replaces touchpads , pointing sticks or trackballs as pointing device .
Trackballs. For example, the Kensington Expert Mouse: A large track ball surrounded by a scroll ring. Gyroscopic mice: 1. Logitech Air mouse: A wireless mouse that can control a computer cursor by being moved through the air, equipped with media features. 2. Wii Remote: A motion sensing wand which is the primary controller for Nintendo's Wii ...
A pointing stick on a mid-1990s-era Toshiba laptop. The two buttons below the keyboard act as a computer mouse: the top button is used for left-clicking while the bottom button is used for right-clicking. Optical pointing sticks are also used on some Ultrabook tablet hybrids, such as the Sony Duo 11, ThinkPad Tablet and Samsung Ativ Q.
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