Illumination means for 3-D printing apparatus

Details Illumination means for 3-D printing apparatus Illumination means for 3-D printing apparatus

1983-03-24

1985-01-15

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Stereoscopic

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.

REFERENCES:
patent: 2353512 (1944-07-01), Simmon
patent: 2506131 (1950-05-01), Bonnet
patent: 3322028 (1967-05-01), Coppage, Jr.
patent: 3874792 (1975-04-01), Turner
patent: 3887279 (1975-06-01), Rubin
patent: 3897147 (1975-07-01), Simon
patent: 4111548 (1978-09-01), Pechev et al.
patent: 4120562 (1978-10-01), Lo et al.
patent: 4132468 (1979-01-01), Lo et al.
patent: 4240738 (1980-12-01), Praamsma
patent: 4274131 (1981-06-01), Praamsma

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