Home›History of telecommunications›訊號燈🌐中文EnglishBahasa IndonesiaDeutschEspañolFrançaisNederlandsPolskiРусскийไทย한국어中文日本語EntityQ2006782· pop 15· linked from 318 articles訊號燈Also known as Aldis lamp, Directional Flashlight, Morse lamp通过可见光传输信息的设备Wikidata factsImageSeaman send Morse code signals.jpgShow 1 more factCommons categorySignalling lampsSources (1)wikidata.orgvia Wikidata · CC0Available in 14 languagesEspañolFrançaisDeutsch中文РусскийBahasa IndonesiaBretonCatalanHebrewNorwegian NynorskPolskiConnectionswireless communicationEntityInformation AgeEntityCategoriesHistory of telecommunicationsMilitary communicationsMorse codeOptical communicationsSemaphoreTypes of lamp