Copying apparatus capable of producing copies differing in size

Details Copying apparatus capable of producing copies differing in size Copying apparatus capable of producing copies differing in size

1977-11-21

1979-02-13

Moses, R. L.

Photocopying

Including fiber optics

355 11, G03G 1528

Patent

active

041392981

ABSTRACT:
The size of a copy to be produced from an original in document copying is changed by moving a lens and mirrors to vary the optical path length of an optical system while keeping the original and a photosensitive element in fixed positions. The lens and the mirrors are moved in a direction in which they intersect the principal light ray simultaneously as they are moved in the direction of the principal light ray, so that one side edge of the copied image of the original can be kept in the same position regardless of the rate at which the original is enlarged or reduced in producing a copy. Thus, it is merely necessary to set the copy sheet in the copy sheet container in such a manner that one side edge of the copy sheet is brought into agreement with a predetermined position, thereby facilitating setting of the copy sheet in document copying.

REFERENCES:
patent: 3432231 (1969-03-01), Gardner
patent: 3778147 (1973-12-01), Reehil et al.
patent: 3901593 (1975-08-01), Kogiso et al.

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