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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク RAND Tablet ： ウィキペディア英語版 RAND Tablet The RAND Tablet is a graphical computer input device developed by The RAND Corporation. The RAND Tablet is claimed to be the first digital graphic device marketed as being a low cost device. The creation of the tablet was performed by the Advanced Research Projects Agency. The RAND Tablet was one of the first devices to utilize a stylus as a highly practical instrument. 〔Davis, M.; T. Ellis (August 1964). ("The RAND Tablet: A Man-Machine Graphical Communication Device" ). ''ARPA''. Retrieved 05 November 2015〕 The tablet is connected to an input of a computer and/or an oscilloscope display. The display would register the input and display it on the computer screen. == History == Development of the RAND Tablet began with research on the Sketchpad, a system where the user could write commands for a computer directly on the tablet, conducted by Ivan Sutherland. A multitude of different experimental systems were developed to recognize handwritten letters and gestures like Tom Ellis' flowchart based Graphic Input Language (GRAIL) method. Tom Ellis, an author of many RAND corporation reports, stated that this GRAIL system was what allowed the natural and real-time recognition of text and symbols written on the flowchart. The RAND Tablet was one of the first devices to recognize freehand drawing, using programs like Ellis'. The RAND Tablet was also called the "Grafacon" and is considered one of the first produced graphics tablets. The original RAND Tablet cost $18,000 and was available to research facilities in 1964 after years of development.〔Atkinson, Paul. (2008). ("A Bitter Pill to Swallow: The Rise and Fall of the Tablet Computer" ). ''Design Issues'' 24 (4) 3-25. Web.〕 However, the RAND Tablet did not catch on commercially, likely due to an inertia in user habits which made consumers more familiar with a keyboard device, and the lack of practical applications for a tablet device during this time period. 〔Ware, W.H. (2008). (''RAND and the information evolution: a history in essays and vignettes'' ) (1st edn). Rand Corp, Santa Monica, CA. Retrieved November 5, 2015〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「RAND Tablet」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.