Photocopying – Projection printing and copying cameras – Illumination systems or details
Patent
1986-11-12
1988-09-27
Gellner, Michael L.
Photocopying
Projection printing and copying cameras
Illumination systems or details
313493, 439830, G03B 2754
Patent
active
047745509
ABSTRACT:
An image information reading apparatus for reading image information on an original placed on an original holding board with the use of light beam which is emitted from a light source to lighten the original. A box-shaped frame in which essential components constituting the apparatus are accommodated includes both side frames and an upper frame in the integral structure and moreover it is formed with a rectangular opening on the upper frame on which the original holding board is immovably placed. An image reading unit constituted by the combination of tubular light source, optical system and photoelectrical converter can be mounted and dismounted by turning the image reading unit by an angle of 90 degrees within the interior of the frame and then displacing it through the rectangular opening in the vertical direction, when dimensions of the rectangular opening are determined properly. The rectangular opening may be formed with a pair of cutouts in order that the tubular light source can be fitted and removed from the operative area located above the upper frame by displacing the light source in the vertical direction through the cutouts and the rectangular opening.
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Catalogue of Buerklin Die Ganze-Elektronik, 1980, pp. H85-H95, year 25.
Brown Brian W.
Gellner Michael L.
Kabushiki Kaisha Toshiba
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