Greenhouse illumination system

Details Greenhouse illumination system Greenhouse illumination system

1991-06-07

1992-03-10

Husar, Stephen F.

Illumination

Light source and modifier

Adjustable or repositionable modifier

362324, 362276, 362805, 47DIG6, F21V 1702

Patent

active

050954148

ABSTRACT:
An improved single light fixture for use in intermittently illuminating plants in a greenhouse. A bulb of a particular selected light output frequency is selected, and the fixture comprises an oscillating parabolic mirror which sweeps the light from the bulb across all of the plants in the greenhouse.

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Science News Letter, Sep. 3, 1955, p. 151, Horticulture, "Rotate Light Bulbs for Winter Plant Growth".
"How to Grow Tree Seedlings in Containers in Greenhouses," RM-60, May, 1979, by R. W. Tinus and S. E. McDonald, pp. 43-45, See p. 45, USDA Forest Service.

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