{"id":"circuit-diagram","no":433,"name":"Circuit Diagram","ja":"回路図","era":"1890s–","family":"図解表現","kind":"スタイル","collection":"Dictionary expansion 21","addedAt":"2026-08-18","source":{"title":"The Institution of Engineering and Technology","url":"https://www.theiet.org/"},"reference":{"status":"verified","pageUrl":"https://www.theiet.org/","credit":"The Institution of Engineering and Technology","gallery":[{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/Heterodyne%20radio%20receiver%20circuit%201920.png?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:Heterodyne%20radio%20receiver%20circuit%201920.png","credit":"ラジオ受信機の回路図 1920"},{"imageUrl":"https://commons.wikimedia.org/wiki/Special:FilePath/Schematic%20diagram%20on%20the%20general%20class%20amateur%20radio%20test.JPG?width=640","pageUrl":"https://commons.wikimedia.org/wiki/File:Schematic%20diagram%20on%20the%20general%20class%20amateur%20radio%20test.JPG","credit":"アマチュア無線の回路図"}]},"essence":"電気回路を規格化された記号と直交する線で描く工学の言語。物理的配置を捨てて接続関係だけを写す抽象化は、路線図にも先行する「トポロジーの図法」だった。","cues":["規格化された素子記号","直交する配線","接続点のドット","物理配置からの抽象"],"intents":["技術","信頼","静けさ"],"works":["一次資料と代表作から成立条件を比較する","別媒体へ応用できる構成原理を取り出す"],"recipe":{"type":"参照作品の文字・記号・スケールを観察する","layout":"視線と情報を支配する構造を一つ抽出する","material":"時代・地域・制作工程に固有の素材と挙動を確認する"},"avoid":"表面的な記号へ還元せず、時代・地域・技術・制作主体の文脈を確認する。","colors":["#e9e6dd","#67635d","#171615"],"motif":"notation","pair":["blueprint","flowchart"],"study":["IEC 60617の記号規格","回路図の読図教育","PCBレイアウトとの分業"],"en":{"essence":"Engineering's language of standardized symbols and orthogonal lines. Discarding physical placement to record only connection — a topology of drawing that preceded even the transit diagram.","cues":["Standardized component symbols","Orthogonal wiring","Junction dots","Abstraction from physical layout"],"works":["Comparing primary sources and canonical works","Extracting principles that transfer to other media"],"recipe":{"type":"Observe the letters, signs and scale of reference works","layout":"Extract the one structure that governs gaze and information","material":"Verify the materials and behaviors specific to era, region and process"},"avoid":"Don't reduce it to surface signs. Verify the context of era, region, technology and makers.","study":["the IEC 60617 symbols","learning to read schematics","the division of labor with PCB layout"]}}