Lighting appliance, particularly for environments without natura

Details Lighting appliance, particularly for environments without natura Lighting appliance, particularly for environments without natura

1992-11-23

1994-02-08

Cole, Richard R.

Illumination

Daylight lighting

362231, 362307, F21V 1304

Patent

active

052853560

ABSTRACT:
To allow environments to be lit with light having characteristics as close as possible to natural light, the appliance (1) comprises a frame (2) supporting pluralities of light sources (5, 6) the light from which is reflected to the outside of the appliance (1) by a reflecting screen (4) via a translucent screen (3). The light sources (5, 6) are of different color temperatures in terms of illumination and are electrically powerable separately via a central control unit (24) in a such a manner as to enable them to provide a luminous flux of variable intensity.

REFERENCES:
patent: 1326393 (1919-12-01), D'Humy
patent: 1784171 (1930-12-01), Bertling
patent: 2725461 (1955-11-01), Amour
patent: 3093319 (1963-06-01), Gamain
patent: 3180978 (1965-04-01), Mas
patent: 3517180 (1970-06-01), Semotan
patent: 3536905 (1970-10-01), Ruff et al.
patent: 4423469 (1983-12-01), Zerlaut et al.
patent: 4933813 (1990-06-01), Berger
patent: 5060118 (1991-10-01), Penrod et al.

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