Television – Special applications – Film – disc or card scanning
Reexamination Certificate
1997-02-18
2001-11-06
Britton, Howard (Department: 2713)
Television
Special applications
Film, disc or card scanning
C348S110000, C353S095000
Reexamination Certificate
active
06313870
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an image input apparatus, or more particularly, to an image input apparatus for converting an analog image into a digital image signal.
2. Description of the Related Art
In the past, an image input apparatus capable of fetching images from both a developed 35 mm film (that has widely prevailed) and a developed still photography film that is elongated and stowed in a film cartridge has been proposed in, for example, Japanese Patent Application No. 7-150553. In the image input apparatus, a film adaptor for loading the 35 mm film and a film adaptor for loading the film stowed in a film cartridge are mounted in a frame or the like of the main unit of the image input apparatus.
However, for fetching images by driving an imaging unit, illumination unit, and optical member for a sub scan, the image input apparatus encounters a problem that the precision in positioning a film surface relative to the imaging unit can hardly be attained because an adaptor mount for holding the film adaptor for loading the 35 mm film or the film adaptor for loading the film stowed in a film cartridge is attached to the frame or the like of the main unit of the image input apparatus.
OBJECTS AND SUMMARY OF THE INVENTION
A first object of the present invention is to provide an image input apparatus capable of fetching images precisely.
A second object of the present invention is to provide an image input apparatus making it possible to reduce a load imposed on an adaptor mount at the time of mounting a film adaptor.
A third object of the present invention is to provide an image input apparatus making it possible to improve positioning precision.
A fourth object of the present invention is to provide an image input apparatus making it possible to simplify attachment to a chassis as a contribution to a reduction in cost.
A fifth object of the present invention is to provide an image input apparatus making it possible to improve the precision in attachment to a chassis.
A sixth object of the present invention is to provide an image input apparatus to which dirt, dust, or the like hardly adheres and in which a contact failure can be prevented.
A seventh object of the present invention is to provide an image input apparatus making it possible to restrain a film adaptor from being mounted in a direction other than a given direction and thus prevent a film adaptor from being mounted inversely by mistake.
Briefly, an image input apparatus of the present invention comprises:
a main unit;
a film holding adaptor, freely attachable or detachable to or from the main unit, for holding a film;
a carriage for holding an illuminating means for illuminating a film held in the film holding adaptor and an imaging means for imaging the film illuminated by the illuminating means; and
an adaptor mount located on the carriage and engaged with the film holding adaptor.
These as well as other objects and advantages of the present invention will become further apparent from the following detailed explanation.
REFERENCES:
patent: 4203657 (1980-05-01), Peters
patent: 5726773 (1998-03-01), Mehlo
patent: 5754314 (1998-05-01), Araki
patent: 5818611 (1998-11-01), Shih
patent: 9-8974 (1997-01-01), None
patent: 9008974 (1997-01-01), None
Inoue Masatoshi
Sato Masao
Britton Howard
Olympus Optical Co,. Ltd.
Weinstein Louis
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