Natural lighting apparatus

Details Natural lighting apparatus Natural lighting apparatus

1987-06-24

1988-12-13

Scott, Samuel

Illumination

Daylight lighting

126425, 250203R, 350264, 350637, 353 3, F21V 700

Patent

active

047915331

ABSTRACT:
A natural lighting apparatus includes a mirror for reflecting light, and a supporting mechanism for supporting the mirror for rotation about both a first axis and a second axis perpendicular to the first axis. A first sensing mechanism is provided for sensing a first direction of the light source about the first axis, and for generating a first signal representative of the first light source direction about the first axis. A second sensing mechanism is provided for sensing a second direction of the light source about the second axis, and for generating a second signal representative of the second light source direction about the second axis. An attitude control mechanism angularly drives the mirror about the first axis according to the first signal from the first sensing mechanism, and about the second axis according to the second signal from the second sensing mechanism, thus controlling the attitude of the mirror to reflect light from the light source in a predetermined direction.

REFERENCES:
patent: 1632254 (1927-06-01), Vinogradov
patent: 2494879 (1950-01-01), Journel et al.
patent: 4086485 (1978-04-01), Kaplow et al.
patent: 4179612 (1979-12-01), Smith
patent: 4225781 (1980-09-01), Hammons
patent: 4349245 (1982-09-01), Kliman
patent: 4419981 (1983-12-01), Mori

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