Device for equalizing light strength of light source

Details Device for equalizing light strength of light source Device for equalizing light strength of light source

1998-09-30

2000-04-11

Sugarman, Scott J.

Optical: systems and elements

Lens

Plural focal length

359668, 362 16, 355 35, 355 67, G02B 310, G02B 1308, G03B 1502, G03B 2772

Patent

active

060494336

ABSTRACT:
A light strength equalizing device for a light source is provided. The device includes an illuminated area, a light source emitting a light for illuminating along a light path the illuminated area with different light strengths, and a compensating device mounted in the light path for respectively compensating the different light strengths in order to equalize the different light strengths on the illuminated area.

REFERENCES:
patent: 3807856 (1974-04-01), Rodriguez
patent: 4445774 (1984-05-01), Spinelli et al.
patent: 4460939 (1984-07-01), Murakami et al.
patent: 5523562 (1996-06-01), Maple
patent: 5671084 (1997-09-01), Kurtz

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