| 摘要 |
PROBLEM TO BE SOLVED: To provide a lighting system for supplying natural solar light to a dark room. SOLUTION: A solar light collecting device of a dish shape which is programmed to turn to the sun with time is installed on a roof, on a hut, or in a garden of a single-family house, apartment, condominium, building or a factory, and light is concentrated at one point. And the natural solar light is supplied to the unsunny and dark room through an optical fiber, is dispersed by a light diffuser 3, and is radiated to the room with brightness which is not too bright. COPYRIGHT: (C)2007,JPO&INPIT
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