Method of making lighting lens

Details Method of making lighting lens Method of making lighting lens

1989-03-08

1991-08-27

Arnold, Bruce Y.

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

359708, 359741, G02B 2700, G02B 302

Patent

active

050429116

ABSTRACT:
A method of making a lighting lens having a multiplicity of lenticules is disclosed, and in particular a method using spherical and aspherical lenticules is disclosed. The lenticules are of two or more standard types, each of which produce a characteristic beam 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 lenticule arrangement. In particular, separate sample lens, each with a sample of a particular lenticule type, may be formed to produce characteristic sample beam patterns. By forming a first sample lens with gaps between the lenticules, and forming a second sample lens with lenticules and gaps complementarily positioned with respect to the first sample lens, the first and second patterns may be intermeshed in a finale design, having the combined beam patterns. A weighted averaging process may also may be followed.

REFERENCES:
patent: 3807834 (1974-04-01), Nagel

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