Day lighting device

Optical: systems and elements – Building interior illumination with reflected – refracted or... – Unitary light transmitting member comprising plural...

Reexamination Certificate

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Details

C359S593000, C126S698000

Reexamination Certificate

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10512564

ABSTRACT:
The present invention relates to an apparatus for collecting and transmitting sunlight into a space comprising a solar ray collecting device, a solar light transmitting device and a solar light emitting device, wherein said solar ray collecting device is arranged to collect sunlight and direct said sunlight to said solar light transmitting device, said solar ray transmitting device is arranged to transmit said sunlight from said solar ray collecting device into said space and to said solar light emitting device, and said solar light emitting device is arranged to emit solar light in said space. Said solar ray collecting device comprises at least one convex lens and at least one concave lens, and at least said convex lens or said concave lens is arranged to be movable in dependence of the angle of incident solar light so as to focus the solar light onto said solar light transmitting means through said convex and concave lens.

REFERENCES:
patent: 3213285 (1965-10-01), McCusker
patent: 3594070 (1971-07-01), Whitehead
patent: 4050789 (1977-09-01), Herbert
patent: 4274394 (1981-06-01), Stromberg
patent: 4445498 (1984-05-01), Mori
patent: 4723826 (1988-02-01), Whitaker
patent: 4867514 (1989-09-01), Waldron
patent: 5039352 (1991-08-01), Mueller et al.
patent: 59-160214 (1984-09-01), None

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