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The HX-20 (also known as the HC-20) is an early laptop released by Seiko Epson in July 1982. It was the first notebook-sized portable computer, [4] [5] occupying roughly the footprint of an A4 notebook while being lightweight enough to hold comfortably with one hand at 1.6 kilograms (3.5 lb) and small enough to fit inside an average briefcase.
Epson settled the case by giving $45 e-coupons in their online stores for people who bought Epson inkjet printers and ink cartridges from April 8, 1999, to May 8, 2006. [21] In 2010, HP lost three class action lawsuits: Claims of HP inkjet printers giving false low ink notifications, Claims of cyan ink being spent when printing with black ink,
Alexander Murray and Richard Morse invented and patented the first analog color scanner at Eastman Kodak in 1937. Intended for color separation at printing presses, their machine was an analog drum scanner that imaged a color transparency mounted in the drum, with a light source placed underneath the film, and three photocells with red, green, and blue color filters reading each spot on the ...
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In the United States, popular brands of AT clones included the Tandy 3000, Compaq Deskpro 286, HP Vectra, [26] Zenith Z-286, [27] Epson Equity Models II+ [28] and III, [29] and Commodore PC-30 and PC-40. In Europe, on the other hand, most AT-clones sold were more or less anonymous.
Video of the process of scanning and real-time optical character recognition (OCR) with a portable scanner. Optical character recognition or optical character reader (OCR) is the electronic or mechanical conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene photo (for example the text on signs and ...
The Hercules Graphics Card was released to fill a gap in the IBM video product lineup. When the IBM Personal Computer was launched in 1981, it had two graphics cards available: the Color Graphics Adapter (CGA) and the Monochrome Display And Printer Adapter (MDA).
The DEC VT100, a widely emulated computer terminal IBM 2741, a widely emulated computer terminal in the 1960s and 1970s (keyboard/printer) A computer terminal is an electronic or electromechanical hardware device that can be used for entering data into, and transcribing [1] data from, a computer or a computing system. [2]
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