LIGHT DUCT DEVICE

To provide a light duct device that can be installed in each dwelling unit even during or after construction of a building.SOLUTION: A light duct device 20 includes a light introducing portion 21, a light guiding portion 22, and a light emitting portion 24. The light introducing portion 21 is provid...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YAGASAKI KEISUKE, SHIMADA YASUSHI, ICHIKAWA TOMOKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES FENCING FIXED CONSTRUCTIONS HEATING LIGHTING MASTS MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES SWIMMING OR SPLASH BATHS OR POOLS SYSTEMS THEREOF TENTS OR CANOPIES, IN GENERAL VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	To provide a light duct device that can be installed in each dwelling unit even during or after construction of a building.SOLUTION: A light duct device 20 includes a light introducing portion 21, a light guiding portion 22, and a light emitting portion 24. The light introducing portion 21 is provided inside a building and introduces natural light 6. The light guiding portion 22 guides the light from the light introducing portion to a predetermined position. The light emitting portion 24 emits light from the light guiding portion into the room. The light duct device 20, that is, the light introducing portion 21, the light guiding portion 22, and the light emitting portion 23 are provided indoors. Further, the light introducing portion 21 and the light emitting portion 24 are provided on the same floor.SELECTED DRAWING: Figure 1 【課題】建物建設中又は建設後においても住戸単位にて設置可能な光ダクト装置を提供する。【解決手段】光ダクト装置２０は、採光部２１と導光部２２と放光部２４とを有する。採光部２１は、建物の室内に設けられ、自然光６を採光する。導光部２２は、採光部からの光を所定の位置へ導光する。放光部２４は、導光部からの光を室内に放光する。光ダクト装置２０、すなわち採光部２１と導光部２２と放光部２３とは、室内に設けられる。また採光部２１と放光部２４とは、同じフロアに設けられる。【選択図】図１