Lighting unit comprising flat prism gratings

Details Lighting unit comprising flat prism gratings Lighting unit comprising flat prism gratings

B - Operations, Transporting

64

F

240/56, 240/80

B64F 1/18 (2006.01) B64F 1/20 (2006.01) E01F 9/015 (2006.01) E01F 9/04 (2006.01) E01F 9/06 (2006.01) E01F 9/08 (2006.01) E01F 13/10 (2006.01) F21S 8/00 (2006.01)

Patent

CA 1315756

ABSTRACT The invention relates to a lighting unit for installation in a plane, in particular for airports, with the object of radiating light in an optimum manner in two opposite direc- tions in an energy-saving way and with a minimum of electric power. It should be compact and its function should not be adversely affected during rough operations by snow- clearing equipment or the like; it has the following fea- tures; Flat prism grating are inserted horizontally in orifices of a flat prism holder having an upward sloping upper surface; a light source is arranged under each prism grating.

561455

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