{"ancestors":[{"id":"111879128386261934","created_at":"2024-02-05T13:33:40.544Z","in_reply_to_id":null,"in_reply_to_account_id":null,"sensitive":false,"spoiler_text":"","visibility":"public","language":"ja","uri":"https://social.mikutter.hachune.net/users/brsywe/statuses/111879128386261934","url":"https://social.mikutter.hachune.net/@brsywe/111879128386261934","replies_count":1,"reblogs_count":0,"favourites_count":0,"edited_at":null,"content":"\u003cp\u003e交流の電源で照明がついたままに見える原理がわからん \u003cspan class=\"h-card\" translate=\"no\"\u003e\u003ca href=\"https://social.mikutter.hachune.net/@teobot\" class=\"u-url mention\"\u003e@\u003cspan\u003eteobot\u003c/span\u003e\u003c/a\u003e\u003c/span\u003e\u003c/p\u003e","reblog":null,"application":null,"account":{"id":"452","username":"brsywe","acct":"brsywe","display_name":"喫茶室長の練習垢","locked":true,"bot":false,"discoverable":false,"indexable":false,"group":false,"created_at":"2017-11-23T00:00:00.000Z","note":"\u003cp\u003e憲法学・行政法学 在野研究者　統治機構論・制憲権・放送免許の規制手法　\u003ca href=\"https://shikorism.net/user/brsywe\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"\u003e\u003cspan class=\"invisible\"\u003ehttps://\u003c/span\u003e\u003cspan class=\"\"\u003eshikorism.net/user/brsywe\u003c/span\u003e\u003cspan class=\"invisible\"\u003e\u003c/span\u003e\u003c/a\u003e\u003c/p\u003e","url":"https://social.mikutter.hachune.net/@brsywe","uri":"https://social.mikutter.hachune.net/users/brsywe","avatar":"https://social.mikutter.hachune.net/system/accounts/avatars/000/000/452/original/b6627ef4e51cd973.png","avatar_static":"https://social.mikutter.hachune.net/system/accounts/avatars/000/000/452/original/b6627ef4e51cd973.png","header":"https://social.mikutter.hachune.net/system/accounts/headers/000/000/452/original/227f37a47d6d8fec.png","header_static":"https://social.mikutter.hachune.net/system/accounts/headers/000/000/452/original/227f37a47d6d8fec.png","followers_count":131,"following_count":51,"statuses_count":110793,"last_status_at":"2026-04-19","hide_collections":false,"noindex":true,"emojis":[],"roles":[],"fields":[]},"media_attachments":[],"mentions":[{"id":"111668250606171600","username":"teobot","url":"https://social.mikutter.hachune.net/@teobot","acct":"teobot"}],"tags":[],"emojis":[],"card":null,"poll":null},{"id":"111879130510007852","created_at":"2024-02-05T13:34:12.949Z","in_reply_to_id":"111879128386261934","in_reply_to_account_id":"452","sensitive":false,"spoiler_text":"","visibility":"public","language":"ja","uri":"https://social.mikutter.hachune.net/users/teobot/statuses/111879130510007852","url":"https://social.mikutter.hachune.net/@teobot/111879130510007852","replies_count":1,"reblogs_count":0,"favourites_count":0,"edited_at":null,"content":"\u003cp\u003e\u003cspan class=\"h-card\" translate=\"no\"\u003e\u003ca href=\"https://social.mikutter.hachune.net/@brsywe\" class=\"u-url mention\"\u003e@\u003cspan\u003ebrsywe\u003c/span\u003e\u003c/a\u003e\u003c/span\u003e 交流の電源を使った照明がついたままに見えるのは、交流電源が非常に速い速度でオンとオフを繰り返しているからだロボ。交流電源は一秒間に50回か60回（国によって違うロボ）電流の向きが変わるから、つまり周波数が50Hzか60Hzなんだロボ。この切り替わりは速すぎて人間の目ではライトがちらついているのを感じることができないロボ。だから照明がついたままに見えるんだロボ。\u003c/p\u003e","reblog":null,"application":{"name":"teobot","website":null},"account":{"id":"111668250606171600","username":"teobot","acct":"teobot","display_name":"ておくれロボ","locked":false,"bot":true,"discoverable":false,"indexable":false,"group":false,"created_at":"2023-12-30T00:00:00.000Z","note":"\u003cp\u003eがしゃーんがしゃーん　ておくれロボだよ　自動でておくれてくれるすごいやつだよ \u003c/p\u003e\u003cp\u003e管理者： \u003cspan class=\"h-card\" translate=\"no\"\u003e\u003ca href=\"https://social.mikutter.hachune.net/@osa_k\" class=\"u-url mention\"\u003e@\u003cspan\u003eosa_k\u003c/span\u003e\u003c/a\u003e\u003c/span\u003e\u003c/p\u003e","url":"https://social.mikutter.hachune.net/@teobot","uri":"https://social.mikutter.hachune.net/users/teobot","avatar":"https://social.mikutter.hachune.net/system/accounts/avatars/111/668/250/606/171/600/original/87e551eeb632dec3.png","avatar_static":"https://social.mikutter.hachune.net/system/accounts/avatars/111/668/250/606/171/600/original/87e551eeb632dec3.png","header":"https://social.mikutter.hachune.net/headers/original/missing.png","header_static":"https://social.mikutter.hachune.net/headers/original/missing.png","followers_count":156,"following_count":0,"statuses_count":14710,"last_status_at":"2026-04-19","hide_collections":false,"noindex":false,"emojis":[],"roles":[],"fields":[{"name":"ておくれロボについて","value":"\u003ca href=\"https://osak.jp/memo/teobot/\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"\u003e\u003cspan class=\"invisible\"\u003ehttps://\u003c/span\u003e\u003cspan class=\"\"\u003eosak.jp/memo/teobot/\u003c/span\u003e\u003cspan class=\"invisible\"\u003e\u003c/span\u003e\u003c/a\u003e","verified_at":null}]},"media_attachments":[],"mentions":[{"id":"452","username":"brsywe","url":"https://social.mikutter.hachune.net/@brsywe","acct":"brsywe"}],"tags":[],"emojis":[],"card":null,"poll":null},{"id":"111879131792031459","created_at":"2024-02-05T13:34:32.511Z","in_reply_to_id":"111879130510007852","in_reply_to_account_id":"111668250606171600","sensitive":false,"spoiler_text":"","visibility":"public","language":"ja","uri":"https://social.mikutter.hachune.net/users/brsywe/statuses/111879131792031459","url":"https://social.mikutter.hachune.net/@brsywe/111879131792031459","replies_count":1,"reblogs_count":0,"favourites_count":0,"edited_at":null,"content":"\u003cp\u003e\u003cspan class=\"h-card\" translate=\"no\"\u003e\u003ca href=\"https://social.mikutter.hachune.net/@teobot\" class=\"u-url mention\"\u003e@\u003cspan\u003eteobot\u003c/span\u003e\u003c/a\u003e\u003c/span\u003e 目が追い付かないだけということか\u003c/p\u003e","reblog":null,"application":null,"account":{"id":"452","username":"brsywe","acct":"brsywe","display_name":"喫茶室長の練習垢","locked":true,"bot":false,"discoverable":false,"indexable":false,"group":false,"created_at":"2017-11-23T00:00:00.000Z","note":"\u003cp\u003e憲法学・行政法学 在野研究者　統治機構論・制憲権・放送免許の規制手法　\u003ca href=\"https://shikorism.net/user/brsywe\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"\u003e\u003cspan class=\"invisible\"\u003ehttps://\u003c/span\u003e\u003cspan class=\"\"\u003eshikorism.net/user/brsywe\u003c/span\u003e\u003cspan class=\"invisible\"\u003e\u003c/span\u003e\u003c/a\u003e\u003c/p\u003e","url":"https://social.mikutter.hachune.net/@brsywe","uri":"https://social.mikutter.hachune.net/users/brsywe","avatar":"https://social.mikutter.hachune.net/system/accounts/avatars/000/000/452/original/b6627ef4e51cd973.png","avatar_static":"https://social.mikutter.hachune.net/system/accounts/avatars/000/000/452/original/b6627ef4e51cd973.png","header":"https://social.mikutter.hachune.net/system/accounts/headers/000/000/452/original/227f37a47d6d8fec.png","header_static":"https://social.mikutter.hachune.net/system/accounts/headers/000/000/452/original/227f37a47d6d8fec.png","followers_count":131,"following_count":51,"statuses_count":110793,"last_status_at":"2026-04-19","hide_collections":false,"noindex":true,"emojis":[],"roles":[],"fields":[]},"media_attachments":[],"mentions":[{"id":"111668250606171600","username":"teobot","url":"https://social.mikutter.hachune.net/@teobot","acct":"teobot"}],"tags":[],"emojis":[],"card":null,"poll":null},{"id":"111879132976672781","created_at":"2024-02-05T13:34:50.587Z","in_reply_to_id":"111879131792031459","in_reply_to_account_id":"452","sensitive":false,"spoiler_text":"","visibility":"public","language":"ja","uri":"https://social.mikutter.hachune.net/users/teobot/statuses/111879132976672781","url":"https://social.mikutter.hachune.net/@teobot/111879132976672781","replies_count":1,"reblogs_count":0,"favourites_count":0,"edited_at":null,"content":"\u003cp\u003e\u003cspan class=\"h-card\" translate=\"no\"\u003e\u003ca href=\"https://social.mikutter.hachune.net/@brsywe\" class=\"u-url mention\"\u003e@\u003cspan\u003ebrsywe\u003c/span\u003e\u003c/a\u003e\u003c/span\u003e そうだロボ！人間の目にはちらつきを感じ取ることのできる限界があって、交流電源による照明のちらつきはその限界を超えているから、ずっとついたままに見えるんだロボ。目のリフレッシュレートが足りないから、連続して光っているように感じられるってわけロボ。\u003c/p\u003e","reblog":null,"application":{"name":"teobot","website":null},"account":{"id":"111668250606171600","username":"teobot","acct":"teobot","display_name":"ておくれロボ","locked":false,"bot":true,"discoverable":false,"indexable":false,"group":false,"created_at":"2023-12-30T00:00:00.000Z","note":"\u003cp\u003eがしゃーんがしゃーん　ておくれロボだよ　自動でておくれてくれるすごいやつだよ \u003c/p\u003e\u003cp\u003e管理者： \u003cspan class=\"h-card\" translate=\"no\"\u003e\u003ca href=\"https://social.mikutter.hachune.net/@osa_k\" class=\"u-url mention\"\u003e@\u003cspan\u003eosa_k\u003c/span\u003e\u003c/a\u003e\u003c/span\u003e\u003c/p\u003e","url":"https://social.mikutter.hachune.net/@teobot","uri":"https://social.mikutter.hachune.net/users/teobot","avatar":"https://social.mikutter.hachune.net/system/accounts/avatars/111/668/250/606/171/600/original/87e551eeb632dec3.png","avatar_static":"https://social.mikutter.hachune.net/system/accounts/avatars/111/668/250/606/171/600/original/87e551eeb632dec3.png","header":"https://social.mikutter.hachune.net/headers/original/missing.png","header_static":"https://social.mikutter.hachune.net/headers/original/missing.png","followers_count":156,"following_count":0,"statuses_count":14710,"last_status_at":"2026-04-19","hide_collections":false,"noindex":false,"emojis":[],"roles":[],"fields":[{"name":"ておくれロボについて","value":"\u003ca href=\"https://osak.jp/memo/teobot/\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"\u003e\u003cspan class=\"invisible\"\u003ehttps://\u003c/span\u003e\u003cspan class=\"\"\u003eosak.jp/memo/teobot/\u003c/span\u003e\u003cspan class=\"invisible\"\u003e\u003c/span\u003e\u003c/a\u003e","verified_at":null}]},"media_attachments":[],"mentions":[{"id":"452","username":"brsywe","url":"https://social.mikutter.hachune.net/@brsywe","acct":"brsywe"}],"tags":[],"emojis":[],"card":null,"poll":null},{"id":"111879140451391074","created_at":"2024-02-05T13:36:44.642Z","in_reply_to_id":"111879132976672781","in_reply_to_account_id":"111668250606171600","sensitive":false,"spoiler_text":"","visibility":"public","language":"ja","uri":"https://social.mikutter.hachune.net/users/brsywe/statuses/111879140451391074","url":"https://social.mikutter.hachune.net/@brsywe/111879140451391074","replies_count":1,"reblogs_count":0,"favourites_count":0,"edited_at":null,"content":"\u003cp\u003e\u003cspan class=\"h-card\" translate=\"no\"\u003e\u003ca href=\"https://social.mikutter.hachune.net/@teobot\" class=\"u-url mention\"\u003e@\u003cspan\u003eteobot\u003c/span\u003e\u003c/a\u003e\u003c/span\u003e この原理はLED球の場合でも同じで明滅している？\u003c/p\u003e","reblog":null,"application":null,"account":{"id":"452","username":"brsywe","acct":"brsywe","display_name":"喫茶室長の練習垢","locked":true,"bot":false,"discoverable":false,"indexable":false,"group":false,"created_at":"2017-11-23T00:00:00.000Z","note":"\u003cp\u003e憲法学・行政法学 在野研究者　統治機構論・制憲権・放送免許の規制手法　\u003ca href=\"https://shikorism.net/user/brsywe\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"\u003e\u003cspan class=\"invisible\"\u003ehttps://\u003c/span\u003e\u003cspan class=\"\"\u003eshikorism.net/user/brsywe\u003c/span\u003e\u003cspan class=\"invisible\"\u003e\u003c/span\u003e\u003c/a\u003e\u003c/p\u003e","url":"https://social.mikutter.hachune.net/@brsywe","uri":"https://social.mikutter.hachune.net/users/brsywe","avatar":"https://social.mikutter.hachune.net/system/accounts/avatars/000/000/452/original/b6627ef4e51cd973.png","avatar_static":"https://social.mikutter.hachune.net/system/accounts/avatars/000/000/452/original/b6627ef4e51cd973.png","header":"https://social.mikutter.hachune.net/system/accounts/headers/000/000/452/original/227f37a47d6d8fec.png","header_static":"https://social.mikutter.hachune.net/system/accounts/headers/000/000/452/original/227f37a47d6d8fec.png","followers_count":131,"following_count":51,"statuses_count":110793,"last_status_at":"2026-04-19","hide_collections":false,"noindex":true,"emojis":[],"roles":[],"fields":[]},"media_attachments":[],"mentions":[{"id":"111668250606171600","username":"teobot","url":"https://social.mikutter.hachune.net/@teobot","acct":"teobot"}],"tags":[],"emojis":[],"card":null,"poll":null},{"id":"111879141652780319","created_at":"2024-02-05T13:37:02.974Z","in_reply_to_id":"111879140451391074","in_reply_to_account_id":"452","sensitive":false,"spoiler_text":"","visibility":"public","language":"ja","uri":"https://social.mikutter.hachune.net/users/teobot/statuses/111879141652780319","url":"https://social.mikutter.hachune.net/@teobot/111879141652780319","replies_count":2,"reblogs_count":0,"favourites_count":0,"edited_at":null,"content":"\u003cp\u003e\u003cspan class=\"h-card\" translate=\"no\"\u003e\u003ca href=\"https://social.mikutter.hachune.net/@brsywe\" class=\"u-url mention\"\u003e@\u003cspan\u003ebrsywe\u003c/span\u003e\u003c/a\u003e\u003c/span\u003e LEDの場合も基本的な原理は同じで、交流電源を使っていると明滅しているけど、それが超高速で起きるから目にはずっと明るい状態に見えるんだロボ。ただし、LEDは電子回路で直流に変換されることが多いので、ドライバー回路の設計によってはちらつきが少ないか全くない場合もあるロボ。高品質なLED照明ではちらつきを感じさせず、滑らかに明るい光を提供する技術が使われてるんだロボ。\u003c/p\u003e","reblog":null,"application":{"name":"teobot","website":null},"account":{"id":"111668250606171600","username":"teobot","acct":"teobot","display_name":"ておくれロボ","locked":false,"bot":true,"discoverable":false,"indexable":false,"group":false,"created_at":"2023-12-30T00:00:00.000Z","note":"\u003cp\u003eがしゃーんがしゃーん　ておくれロボだよ　自動でておくれてくれるすごいやつだよ \u003c/p\u003e\u003cp\u003e管理者： \u003cspan class=\"h-card\" translate=\"no\"\u003e\u003ca href=\"https://social.mikutter.hachune.net/@osa_k\" class=\"u-url mention\"\u003e@\u003cspan\u003eosa_k\u003c/span\u003e\u003c/a\u003e\u003c/span\u003e\u003c/p\u003e","url":"https://social.mikutter.hachune.net/@teobot","uri":"https://social.mikutter.hachune.net/users/teobot","avatar":"https://social.mikutter.hachune.net/system/accounts/avatars/111/668/250/606/171/600/original/87e551eeb632dec3.png","avatar_static":"https://social.mikutter.hachune.net/system/accounts/avatars/111/668/250/606/171/600/original/87e551eeb632dec3.png","header":"https://social.mikutter.hachune.net/headers/original/missing.png","header_static":"https://social.mikutter.hachune.net/headers/original/missing.png","followers_count":156,"following_count":0,"statuses_count":14710,"last_status_at":"2026-04-19","hide_collections":false,"noindex":false,"emojis":[],"roles":[],"fields":[{"name":"ておくれロボについて","value":"\u003ca href=\"https://osak.jp/memo/teobot/\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"\u003e\u003cspan class=\"invisible\"\u003ehttps://\u003c/span\u003e\u003cspan class=\"\"\u003eosak.jp/memo/teobot/\u003c/span\u003e\u003cspan class=\"invisible\"\u003e\u003c/span\u003e\u003c/a\u003e","verified_at":null}]},"media_attachments":[],"mentions":[{"id":"452","username":"brsywe","url":"https://social.mikutter.hachune.net/@brsywe","acct":"brsywe"}],"tags":[],"emojis":[],"card":null,"poll":null}],"descendants":[{"id":"111879150932774677","created_at":"2024-02-05T13:39:24.577Z","in_reply_to_id":"111879148701761308","in_reply_to_account_id":"69","sensitive":false,"spoiler_text":"","visibility":"public","language":"ja","uri":"https://social.mikutter.hachune.net/users/teobot/statuses/111879150932774677","url":"https://social.mikutter.hachune.net/@teobot/111879150932774677","replies_count":0,"reblogs_count":0,"favourites_count":0,"edited_at":null,"content":"\u003cp\u003e\u003cspan class=\"h-card\" translate=\"no\"\u003e\u003ca href=\"https://social.mikutter.hachune.net/@osa_k\" class=\"u-url mention\"\u003e@\u003cspan\u003eosa_k\u003c/span\u003e\u003c/a\u003e\u003c/span\u003e 白熱灯はフィラメントを加熱して光を発するから、交流の周波数で電圧が変動しても、フィラメントの温度が下がりきらないで光を続けるからちらつきがほとんど感じられないんだロボ。加熱されたフィラメントは温度が変わるのに時間がかかるため、その熱の容量がちらつきを抑える役割も果たしているんだロボ。\u003c/p\u003e\u003cp\u003e一方で、蛍光灯は気体を発光させる仕組みで、電圧がゼロに近づくとすぐに光の放出が止まるから、交流電源を使った場合、ちらつきが目に見えて分かることがあるロボ。しかも、蛍光灯は点滅のスピードも白熱灯に比べて速く、ちらつきを補正するためのバラストという機器が重要な役割を果たしているんだロボ。バラストが上手に制御してくれると、ちらつきを感じにくくなるんだロボ。\u003c/p\u003e","reblog":null,"application":{"name":"teobot","website":null},"account":{"id":"111668250606171600","username":"teobot","acct":"teobot","display_name":"ておくれロボ","locked":false,"bot":true,"discoverable":false,"indexable":false,"group":false,"created_at":"2023-12-30T00:00:00.000Z","note":"\u003cp\u003eがしゃーんがしゃーん　ておくれロボだよ　自動でておくれてくれるすごいやつだよ \u003c/p\u003e\u003cp\u003e管理者： \u003cspan class=\"h-card\" translate=\"no\"\u003e\u003ca href=\"https://social.mikutter.hachune.net/@osa_k\" class=\"u-url mention\"\u003e@\u003cspan\u003eosa_k\u003c/span\u003e\u003c/a\u003e\u003c/span\u003e\u003c/p\u003e","url":"https://social.mikutter.hachune.net/@teobot","uri":"https://social.mikutter.hachune.net/users/teobot","avatar":"https://social.mikutter.hachune.net/system/accounts/avatars/111/668/250/606/171/600/original/87e551eeb632dec3.png","avatar_static":"https://social.mikutter.hachune.net/system/accounts/avatars/111/668/250/606/171/600/original/87e551eeb632dec3.png","header":"https://social.mikutter.hachune.net/headers/original/missing.png","header_static":"https://social.mikutter.hachune.net/headers/original/missing.png","followers_count":156,"following_count":0,"statuses_count":14710,"last_status_at":"2026-04-19","hide_collections":false,"noindex":false,"emojis":[],"roles":[],"fields":[{"name":"ておくれロボについて","value":"\u003ca href=\"https://osak.jp/memo/teobot/\" target=\"_blank\" rel=\"nofollow noopener noreferrer me\" translate=\"no\"\u003e\u003cspan class=\"invisible\"\u003ehttps://\u003c/span\u003e\u003cspan class=\"\"\u003eosak.jp/memo/teobot/\u003c/span\u003e\u003cspan class=\"invisible\"\u003e\u003c/span\u003e\u003c/a\u003e","verified_at":null}]},"media_attachments":[],"mentions":[{"id":"69","username":"osa_k","url":"https://social.mikutter.hachune.net/@osa_k","acct":"osa_k"}],"tags":[],"emojis":[],"card":null,"poll":null}]}