Electrophotographic reproduction of a three-dimensional object

Details Electrophotographic reproduction of a three-dimensional object Electrophotographic reproduction of a three-dimensional object

1982-01-25

1984-03-13

Moses, Richard L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 8, 355 57, 355 65, 355 66, G03G 1500

Patent

active

044364075

ABSTRACT:
An electrophotographic copying machine capable of making a two-dimensional copy either from a two-dimensional or three-dimensional object is provided. In accordance with the present invention, if a three-dimensional object has portions which cannot be brought into contact with the top surface of the contact glass plate of the copying machine, adjusting means adjusts the focal distance to the location of such non-contact portions. The adjusting means may be any element of the optical system which is constructed to be shiftable to change the focal distance to a point of interest above the contact glass plate. Alternatively, the adjusting means may include a new element additional to the optical system.

REFERENCES:
patent: 3778147 (1973-12-01), Reehil
patent: 4029409 (1977-06-01), Spinelli et al.

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