Xerography — (or electrophotography) is a photocopying technique developed by Chester Carlson in 1938 and patented on October 6, 1942. He received US patent|2297691 for his invention. Although dry electrostatic printing processes had been invented as far back … Wikipedia
History of printing — The history of printing began as an attempt to make easier and reduce the cost of reproducing multiple copies of documents, fabrics, wall papers and so on. Printing streamlined the process of communication, and contributed to the development of… … Wikipedia
Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… … Universalium
photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… … Universalium
computer — computerlike, adj. /keuhm pyooh teuhr/, n. 1. Also called processor. an electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Cf. analog… … Universalium
Halftone — For the music interval, see semitone. Left: Halftone dots. Right: How the human eye would see this sort of arrangement from a sufficient distance. Halftone is the reprographic technique that simulates continuous tone imagery through the use of… … Wikipedia
Counties of Ireland — The counties of Ireland (Irish: contaetha na hÉireann) are sub national divisions used for the purposes of administrative, geographical and political demarcation. By the early 17th century all of Ireland had been divided into counties. The older… … Wikipedia
Photographic print toning — In photography, toning is a photographic process carried out on silver based (black and white) photographic prints to change their colour. Some toning processes can improve the chemical stability of the print and allow it to last longer. Other… … Wikipedia
Konica Minolta — Holdings, Inc. コニカミノルタホールディングス Type Corporation TYO: 4902 Industry Imaging … Wikipedia
Samsung Electronics — 삼성전자 Type Public Korean: 삼성전자 Traded as KRX: 005930 … Wikipedia
Dots per inch — A close up of the dots produced by an inkjet printer at draft quality. Actual size is approximately 0.25 inches square (0.635 centimetres square). Individual coloured droplets of ink are visible; this sample is about 150 DPI. Dots per inch (DPI)… … Wikipedia