Illumination – Work-table lighting system
Patent
1981-09-22
1983-01-11
Lechert, Jr., Stephen J.
Illumination
Work-table lighting system
362223, 362224, 362290, 362292, 362309, 362311, 362330, 362332, 362339, 362375, A61G 1300
Patent
active
043685048
ABSTRACT:
A light source consisting of a straight tube fluorescent lamp is mounted almost in parallel with a desk work surface to be illuminated. A housing enclosing this light source is mounted, and this housing is fixed on the surface to be illuminated by means of two support members. The housing has an opening section at its lower position, and a light controller which is formed of two kinds of prism plates is fitted in the opening. The light emitted from the light source is refracted by the prism plates. These beams of light are converted by the above light controller to two types of light components which run almost in parallel with the first and second directions. One of the beams of light falls from the right top in front of the person at desk to the illuminated surface region in proximity to the left hand of the person at desk, and the other beams of light fall from the left top in front of the person at desk to the illuminated surface region in proximity to the right hand of the person at desk.
REFERENCES:
patent: 4233651 (1980-11-01), Fabbri
patent: 4242723 (1980-12-01), Fabbri et al.
patent: 4300185 (1981-11-01), Wakamatsu
Kaneko Tadahiro
Sato Kozi
Lechert Jr. Stephen J.
Toshiba Electric Equipment Corporation
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