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CRT Monitor
The first commercially made electronic television sets with cathode ray tubes were manufactured by Telefunken in Germany in 1934 -
Barcode
Started in 1948 when the idea came into existence from Bernard Silver. The product was developed much later. -
Laser Disc
Optical video recording technology, using a transparent disc, was invented by David Paul Gregg and James Russell in 1958. -
LCD Monitors
In 1972, the first active-matrix liquid-crystal display panel was produced in the United States by T Peter Brody's team at Westinghouse, in Pittsburgh, Pennsylvania. -
Laserjet Printers
The first commercial implementation of a laser printer was the IBM 3800 in 1976 -
Tablet
There were several companies with commercial products in the 1980s: Pencept, Communications Intelligence Corporation, and Linus were among the best known of a crowded field. -
Trackball
Invented post world war as a comprehensive display system.