Illumination means for 3-D printing apparatus

Photocopying – Projection printing and copying cameras – Stereoscopic

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355 67, 355 77, G03B 2732, G03B 3514

Patent

active

044935510

ABSTRACT:
Illumination apparatus for a three-dimensional enlarging printer in which a moving lamphouse assembly is tilted at angles that vary proportional to the distance of the lamphouse from the center of scan. The tilt angle of the lamphouse is controlled by a motor or the like to direct the maximum illumination available towards the negative and lens associated with the printer and onto the print film to produce a high quality print rapidly.

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patent: 4240738 (1980-12-01), Praamsma
patent: 4274131 (1981-06-01), Praamsma

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