Device for reproduction and tracing

Optics: image projectors – Episcope

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

353 63, 355 70, 362 12, 362250, 362285, G03B 2106

Patent

active

046905278

ABSTRACT:
The invention relates to a device for reproduction and tracing by forming an image of an original, at desired scale which is produced by at least one lens, on a screen on which a sheet of photosensitive materials, such as a picture film, or tracing paper is extended, comprising separate illumination systems for reproduction and tracing, wherein the illumination system for tracing is retracted in a retraced position located off the lighting space of the illumination system for reproduction, and turned over so as to eliminate spoilage of the quality of the reproduced picture by diminishing irregular reflection from the illumination system for tracing to the lens when a part of light from the illumination system for reproduction is emitted thereto during the reproduction operation.

REFERENCES:
patent: 1090984 (1914-03-01), Hawthorne
patent: 1781372 (1930-11-01), Denecke
patent: 3375752 (1968-04-01), Fairbanks et al.
patent: 3592543 (1971-07-01), Bickl et al.
patent: 3632204 (1972-01-01), Friedel
patent: 4164009 (1979-08-01), Maguire, Jr. et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Device for reproduction and tracing does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Device for reproduction and tracing, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Device for reproduction and tracing will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1261762

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.