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The mousepad for early Mouse Systems optical mouses The three most important benefits of the introduction of the mousepad were higher speed, more precision, and comfort for the user. A secondary benefit was keeping the desk or table surface from being scratched and worn by continuous hand and mouse rubbing motion.
Optical models outperform mechanical mice on uneven, slick, soft, sticky, or loose surfaces, and generally in mobile situations lacking mouse pads. Because optical mice render movement based on an image which the LED (or infrared diode) illuminates, use with multicolored mouse pads may result in unreliable performance; however, laser mice do ...
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.
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.
Like all early optical mice, their debut product relied on a special metallic and reflective mousepad printed with a square grid of grey and blue tracking lines: as the device moved over the pad, light emitted by an LED was reflected by the pad onto an array of sensors whose output was processed by an on-board controller, which in turn supplied the host computer with machine-readable tracking ...
Combines optical sensor with an accelerometer, allowing the mouse to track speeds in excess of 500 inches per second, and more than 16G in acceleration. 108 g (3.8 oz) (without cable) 144 g (5.1 oz) (with cable)
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