Beacon light deflector

Details Beacon light deflector Beacon light deflector

1997-12-24

1999-11-09

Cariaso, Alan

Illumination

Light modifier

Translucent or opaque

362249, 362291, 362354, 362431, 362452, F21V 112

Patent

active

059800690

ABSTRACT:
A beacon light assembly shield for shield from ground level the light emitted by tower mounted beacon lights for aircraft, the assembly comprising a plurality of spaced concentric frustraconically shaped elements having a centrally located aperture, the element being interconnected, and each element being spaced from an adjacent element such that a distance between a first horizontal plane coincidental with an inner peripheral edge and a second horizontal plane coincidental with an outer peripheral edge is no greater than 75% of a distance between first horizontal planes of adjacent elements. The assembly effectively eliminates light pollution from ground level while permitting visual access for aircraft.

REFERENCES:
patent: 1396936 (1921-11-01), Locke
patent: 3593014 (1971-07-01), Vesely
patent: 3634675 (1972-01-01), Alamo et al.
patent: 4293898 (1981-10-01), Budnovitch et al.
patent: 4814961 (1989-03-01), O'Brien et al.
patent: 4999749 (1991-03-01), Dormand
patent: 5068773 (1991-11-01), Toth

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