Variable magnification copying apparatus

Details Variable magnification copying apparatus Variable magnification copying apparatus

1976-12-14

1978-12-12

Shoop, William M.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

G03G 1500

Patent

active

041293770

ABSTRACT:
A variable magnification copying apparatus includes optical scanning means for scanning an image original at a variable velocity in accordance with a copying magnification desired, a photosensitive drum movable at a predetermined velocity from an exposure station to an image transfer station, conveyor means for conveying copy medium to the image transfer station, detector means for generating a signal when the scanning means has scanned an edge of the image original or a portion thereof near the edge, and control means coupled to the detector means for controlling the conveyor means by the signal so as to ensure the image of the original to be copied with the leading edge thereof registered to the leading edge of the copy medium with respect to the direction of conveyance, irrespective of changes in magnification.

REFERENCES:
patent: 3552849 (1971-01-01), Limberger
patent: 3876300 (1975-04-01), Washio et al.
patent: 3930725 (1976-01-01), Jones et al.
patent: 4009957 (1977-03-01), Suzuki et al.
patent: 4026647 (1977-05-01), Kanno et al.

Affiliated with

Also associated with

Rating

Variable magnification copying apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Variable magnification copying apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variable magnification copying apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-829727