LAMPLIGHT DEVICE

PROBLEM TO BE SOLVED: To provide a lamplight device with a wide irradiation angle regarding one most suitable as a signal light for showing a taking-off and landing location at night by installing at a taking-off and landing site of a flying object such as a helicopter. SOLUTION: The lamplight devic...

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Bibliographische Detailangaben
Hauptverfasser:	OKI YASUNORI, TANABE TAKAO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LIGHTING MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a lamplight device with a wide irradiation angle regarding one most suitable as a signal light for showing a taking-off and landing location at night by installing at a taking-off and landing site of a flying object such as a helicopter. SOLUTION: The lamplight device has a light-emitting section 3 having a plurality of light-emitting bodies 35 respectively having optical axes in vertically upward directions and arranged in parallel so as to form a circle centering a vertical center axis X on a substrate 31 and a reflector 33 made of the plurality of light-emitting bodies 35 and arranged in the circle. The reflector 33 is arranged to be coaxial with the vertical center axis X, and has a shape of an inverse frustum with a reflecting periphery 331 which reduce its diameter downward by reversing the top and bottom. Each light emitter 35 is arranged at a location crossing a perpendicular line which perpendicularly takes down from an outer peripheral edge of an upper end of the reflector 33. COPYRIGHT: (C)2010,JPO&INPIT