{"id":"plato-screen","no":533,"name":"PLATO Terminal Screen","ja":"PLATO端末の画面","era":"1972–1980s","family":"プラットフォームの画面言語","kind":"スタイル","collection":"Dictionary expansion 26","addedAt":"2026-08-19","source":{"title":"Illinois Distributed Museum (University of Illinois) — PLATO","url":"https://distributedmuseum.illinois.edu/exhibit/plato/"},"reference":{"status":"verified","pageUrl":"https://distributedmuseum.illinois.edu/exhibit/plato/","credit":"Illinois Distributed Museum (University of Illinois) — PLATO","gallery":[{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/Platovterm1981.jpg?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:Platovterm1981.jpg","credit":"PLATO V端末のプラズマ画面 1981年 — Wikimedia Commons / CC BY 3.0"},{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/PLATO%20chem%20exp.jpg?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:PLATO%20chem%20exp.jpg","credit":"PLATOの分留シミュレーションの画面 — Wikimedia Commons / CC BY-SA 3.0 US"},{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/Living%20Computer%20Museum%20Seattle%20Visit%202018%20(43693562294).jpg?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:Living%20Computer%20Museum%20Seattle%20Visit%202018%20(43693562294).jpg","credit":"PLATO V端末（リビング・コンピュータ博物館）2018年撮影 — Wikimedia Commons / CC BY 2.0"}]},"essence":"イリノイ大学が1960年代初めに始めた教育用ネットワークPLATOの画面。プラズマの平面板と触れる画面の上に、TUTORの命令が座標で文字と図を直接置くため、文書のような行送りを持たない。掲示や会話の画面もここで型になった。","cues":["黒い面に、発光する一色のオレンジだけで文字と線が出る","文字が行送りに従わず座標で置かれ、図の途中にも割り込む","文字と線画が同じ面に重なり、枠で領域が分けられていない","画面に指で直接触れて答える設問がある"],"intents":["技術","懐かしさ","親密"],"works":["学習用や業務用の画面を、単色で図と文字を同じ面に置く構成にするとき","初期のオンライン共同体を題材にした画面や映像を作るとき"],"recipe":{"type":"等幅の一書体だけを使う。太さの差を作らず、大きさも一段か二段に絞る。","layout":"行の流れを作らず、置きたい位置の座標で文字を置く。図の周りに枠を描かず、空きだけで区切る。","material":"背景は黒。発光する一色のオレンジで描き、中間調を使わず点と線の密度で濃さを作る。"},"avoid":"走査線やにじみを足してブラウン管風に寄せると、平面のプラズマ板がにじまずに光るというこの画面の一番の特徴が消える。","colors":["#FF7B1A","#0A0A0A","#8C3B00"],"motif":"graphic","pair":["terminal-ui","minitel-screen"],"study":["TUTORの at と arrow の命令が、画面のどこに文字を置いたか","1972年のPLATO Notesが作った掲示の画面","ブルース・パレロが広めた絵文字と動きの表現"],"en":{"essence":"PLATO was the computer-assisted teaching system started at the University of Illinois in the early 1960s under Donald Bitzer, and its screen is a style in its own right. It ran on plasma flat panels with touch input, and the TUTOR language placed text and drawing by coordinate rather than by line flow, so a lesson was assembled straight onto the surface. Its notes files, private messages and multiplayer games set the shape of later online screens.","cues":["Text and line drawing glowing in a single orange on a black panel","Characters placed by coordinate rather than by line flow, cutting into the middle of a drawing","Text and graphics sharing one surface, with no frames dividing the regions","Questions answered by touching the screen itself"],"works":["Laying out a learning or operations screen where one colour carries both diagram and text on a single plane","Making screens or footage that portray the earliest online communities"],"recipe":{"type":"One monospaced face only, with no weight contrast and at most two sizes.","layout":"Place text at chosen coordinates instead of flowing lines, and separate areas with empty space rather than frames.","material":"Black ground, one glowing orange and no midtones, with the density of dots and strokes carrying the tone."},"avoid":"Adding scanlines and bloom to make it feel like a cathode ray tube erases the one thing that defined this screen, a flat plasma panel that glows without smearing.","study":["where on the screen the TUTOR at and arrow commands placed text","the posting screen PLATO Notes created in 1972","the emoticons and movement effects Bruce Parrello spread"]}}