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An early Xerox optical mouse chip, before the development of the inverted packaging design of Williams and Cherry. The first two optical mice, first demonstrated by two independent inventors in December 1980, had different basic designs: [1] [2] [3] One of these, invented by Steve Kirsch of MIT and Mouse Systems Corporation, [4] [5] used an infrared LED and a four-quadrant infrared sensor to ...
He is a named inventor on over 100 patents including the modern optical computer mouse, [1] and his works have been featured on over 20 journal and magazine covers. At Hewlett Packard he pioneered instrumentation for testing computer circuits including the first Logic Probe, [2] [3] Logic Clip, [4] [5] Logic Pulser, [6] [7] [8] and HP's first ...
HP Software Division was the company's enterprise software unit, which produced and marketed its brand of enterprise-management software, HP OpenView. From September 2005 HP purchased several software companies as part of a publicized, deliberate strategy to augment its software offerings for large business customers. [113]
A laser mouse is an optical mouse that uses coherent (laser) light. The earliest optical mice detected movement on pre-printed mousepad surfaces, whereas the modern LED optical mouse works on most opaque diffuse surfaces; it is usually unable to detect movement on specular surfaces like polished stone.
9 Optical disc drives (ODDs) 10 Fans. 11 Fan controllers. 12 Computer cooling systems. Toggle Computer cooling systems subsection. ... 19 Mouse. 20 Joysticks. 21 ...
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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Tesseract is an optical character recognition engine for various operating systems. [5] It is free software, released under the Apache License. [1] [6] [7] Originally developed by Hewlett-Packard as proprietary software in the 1980s, it was released as open source in 2005 and development was sponsored by Google in 2006.