LIGHTING SYSTEM

PROBLEM TO BE SOLVED: To certainly and simply prevent external light from invading in a case main body when it is not projected, and simply and promptly limit the range of light projection. SOLUTION: A shutter mechanism is provided in a case main body 11. A rotary solenoid of the shutter mechanism i...

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Hauptverfasser:	YONENAMI TAKEHIKO, AIZAWA YUJI
Format:	Patent
Sprache:	eng
Schlagworte:	ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS
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creator	YONENAMI TAKEHIKO AIZAWA YUJI
description	PROBLEM TO BE SOLVED: To certainly and simply prevent external light from invading in a case main body when it is not projected, and simply and promptly limit the range of light projection. SOLUTION: A shutter mechanism is provided in a case main body 11. A rotary solenoid of the shutter mechanism is excited at the time of light a light source 20 while interlocking with the lighting and the turning off operation of a light source 20. When the light source 20 is lighted, the rotary solenoid is excited to hold a pair of impeller members at an opened position. On the other hand, when the light source 20 is turned off, the rotary solenoid is degaussed to hold a pair of shuttlecock members at closed position. Moreover, the rotary solenoid forms an effective opening 15a corresponding to a road signboard in the inside of an opening part by regulating a position of a shading member 31 of a mask means 30. Though the position of the shading member 31 is regulated while seeing an image on a projection board B attached on an attaching part 38, the projection board B is detached from the attaching part 38 when it finishes forming the effective opening 15.
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A rotary solenoid of the shutter mechanism is excited at the time of light a light source 20 while interlocking with the lighting and the turning off operation of a light source 20. When the light source 20 is lighted, the rotary solenoid is excited to hold a pair of impeller members at an opened position. On the other hand, when the light source 20 is turned off, the rotary solenoid is degaussed to hold a pair of shuttlecock members at closed position. Moreover, the rotary solenoid forms an effective opening 15a corresponding to a road signboard in the inside of an opening part by regulating a position of a shading member 31 of a mask means 30. 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subjects	ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS
title	LIGHTING SYSTEM
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