Lighting lens

Details Lighting lens Lighting lens

1989-03-08

1991-08-27

Lazarus, Ira S.

Illumination

Light source and modifier

Including reflector

362336, 362338, F21V 500

Patent

active

050438565

ABSTRACT:
A lighting lens having a multiplicity of lenticules is disclosed, and in particular the use of aspherical lenticules is disclosed. The lenticules are of two or more standard types, each type being defined be a different cross sectional curvature. The different lenticle types are distributed across one side of the lens in an intermixed pattern. By selecting two standard lenticule types, and determining a weighted ratio, a lens for a desired lighting pattern may be made without having to specifically design the individual lenticules, or the particular lenticle arrangement.

REFERENCES:
patent: 944348 (1909-12-01), Schrader
patent: 1601688 (1926-09-01), Nystrom
patent: 1726460 (1929-08-01), Upp
patent: 2770716 (1956-11-01), Kingery
patent: 3267278 (1966-08-01), Doolittle
patent: 3578966 (1971-05-01), Levin
patent: 3807834 (1974-04-01), Nagel
patent: 4484254 (1984-11-01), Puckett et al.
patent: 4545007 (1985-10-01), Nagel
patent: 4769750 (1988-09-01), Matsumoto et al.

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