Photocopying – Projection printing and copying cameras – Illumination systems or details
Patent
1995-08-09
1997-04-01
Grimley, Arthur T.
Photocopying
Projection printing and copying cameras
Illumination systems or details
355 40, 355 45, 355 66, 355 67, G03B 2772, G03B 2774, G03B 2716, G03B 2770
Patent
active
056171838
ABSTRACT:
A photometric system structure used in a printer section in which an image of a photographic film is printed onto a photosensitive material through a lens system. The lens system can be removed from an optical axis of light emitted from a light source and replaced by another lens system. A photometric device is disposed on the optical axis of the light emitted from the light source and changes an optical axis direction of at least a part of the light emitted from the light source to measure the light whose optical axis direction has been changed and which is used as photometric light. A beam splitter moves integrally with each of the lens systems. An optical-path correction lens is disposed on the optical axis of photometric light whose optical axis direction has been changed, and is provided such that a positional relationship between the beam splitter and the optical-path correction lens is fixed, so as to correct and adjust, to a predetermined length, an optical-path length between the light source and a position where the photometric light is measured.
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Saito Kimitoshi
Yamamoto Takashi
Fuji Photo Film Co. , Ltd.
Grimley Arthur T.
Kerner Herbert
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