Photocopying – Projection printing and copying cameras – Illumination systems or details
Patent
1977-08-22
1979-01-30
Wintercorn, Richard A.
Photocopying
Projection printing and copying cameras
Illumination systems or details
355 18, G03B 2776
Patent
active
041369483
ABSTRACT:
The invention relates to a photographic enlarger having an exchangeable film trap disposed in a projection head for receiving film, a magnifying lens disposed on one side of the film trap, and an insert member including a light deflection mirror and a condenser abutting the film trap; the insert member is disposed on the other side of the film trap.
REFERENCES:
patent: 3684371 (1972-08-01), Weisglass et al.
patent: 3874792 (1975-04-01), Turner
patent: 4009383 (1977-02-01), Beier
patent: 4077716 (1978-03-01), Gandini
Marmorek Ernest F.
Rollei-Werke Franke & Heidecke
Wintercorn Richard A.
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