Light irradiation device having filter unit

Details Light irradiation device having filter unit Light irradiation device having filter unit

1990-10-15

1991-07-23

Fuller, Benjamin R.

Recorders

Light or beam recording

Including record receiver or handling means therefor

355 32, 355 71, G03B 2754, G03B 2773, G01D 1514

Patent

active

050347560

ABSTRACT:
A light irradiation device having a light source and a plurality of filters for providing a plurality of kinds of colored lights onto an object. The light irradiation device includes a carriage reciprocally movable over the object in one and opposite directions and carrying thereon the light source. The irradiation device also includes a filter frame mounted on the carriage and slidably movable in the one and opposite direction relative to the carriage. The slide frame is attached with the plurality of filters arranged side by side in a horizontal plane. The relative position between the carriage and the filter frame is controllable for changing a filter with remaining one of the filters.

REFERENCES:
patent: 4135927 (1979-01-01), Draugelis
patent: 4884082 (1989-11-01), Sonoda
patent: 4949185 (1990-08-01), Nakai

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