Photocopying – Projection printing and copying cameras – With developing
Patent
1997-04-29
2000-02-01
Mathews, Alan A.
Photocopying
Projection printing and copying cameras
With developing
355 20, 355 28, 396625, G03B 2732
Patent
active
060209488
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to the technical field concerned with the production of snapshots, starting from electronically acquired images.
BACKGROUND ART
It is known that reproducing images on a photosensitive medium, printing on a negative photographic paper for instance, in its most traditional aspect, consists of placing said paper in a light-proof room and then exposing it with light, carrying information concerning the image to be printed.
Said light can be generated by a lamp of a suitable power and colour temperature, and is conveyed by an optical device through a film carrying a negative reproduction of the image to be printed, and then to the photosensitive surface of the photographic paper.
The printed image is now in a latency condition and it must be subsequently developed and chemically fixed.
According to further reproduction modes, equally known to a medium-skilled technician, the photosensitive medium can consist of auto-positive photographic paper, either self-developing or not. It can be exposed with a light beam that lightens a film carrying the positive image, and then the photographic paper for a period of a predefined length, or by a direct exposure of the subject to be photographed, by means of a suitable photographic camera.
A common problem of the above mentioned techniques is that it is not possible to have a preview of the reproduction results. That means, it is not possible to see whether the reproduced image quality will be satisfactory, before the photosensitive paper has been developed.
This can be in many cases a non-easily solvable problem. For instance, in those photo studios where a document-format, snapshot pictures service is provided, the result quality depends on several factors. Some of these are easily controllable, like the apparatuses and materials quality, or the subject illumination; some other factors are more casual, like the subject expression during the camera click, or a subject eyes blink just at that moment. A bad issue of the picture will surely disappoint the client, or it will force the photographer to repeat the whole process. This will obviously cause a wasting of time and of photographic material.
DISCLOSURE OF THE INVENTION
It is an object of the present invention to propose a method for immediately reproducing pictures of a subject on a photosensitive medium, which method moreover provides the subject to be able to see a faithful preview of the final issue of the picture being taken before its printing, and to eventually modify the said picture or to take another one.
A further object of the present invention is to propose a method for acquiring, processing and subsequently printing of images, that allows to obtain photographic pictures at considerably lower costs with respect to the known processes, and in a simple and versatile way.
A further object of the present invention is to propose an apparatus for acquiring and printing of images according to the above mentioned method, which apparatus is of extremely compact size, thus suitable to be installed in small size rooms, and being able to automatically perform the whole sequence of image acquisition, transferring to a photosensitive medium and developing the same medium. All this is accomplished in a very simple way and greatly reducing the consumption of energy and of developing products.
All the above mentioned objects are achieved by a method for acquiring and printing images, preferably carried out with an apparatus comprising: electronic input means 1; a computer 10; primary display means 11 and secondary display means 12; a reproduction station 30, fit to print the said images, when displayed by the secondary display means 12, according to a predefined sequence; conveying means 50, placed inside the said reproduction station 30 and fit to receive the light radiation coming from said secondary display means 12 and to convey them towards an exposing room 36; a web 32 of photosensitive medium, which is arranged into a magazine 37 and the end portion 33 of which is
REFERENCES:
patent: 4742375 (1988-05-01), Kogane et al.
patent: 4942462 (1990-07-01), Shiota
Gipco S.r.l.
Mathews Alan A.
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