Magnification selecting device in a photocopier

Details Magnification selecting device in a photocopier Magnification selecting device in a photocopier

1986-10-23

1988-08-09

Corbin, John K.

Photocopying

Projection printing and copying cameras

Focus or magnification control

350429, G02B 711, G03B 2752

Patent

active

047631740

ABSTRACT:
A magnification selecting device which is capable of continuously varying magnifications by operating either UP or DOWN key and also slowing down the speed of varying mangifications only when these magnifications are in a position close to the predetermined magnification.

REFERENCES:
patent: 3002422 (1961-10-01), Lohmeyer
patent: 4417281 (1983-11-01), Hama
patent: 4531831 (1985-07-01), Kitajima et al.
patent: 4555165 (1985-11-01), Negoro
patent: 4611909 (1986-09-01), Ogura et al.
patent: 4618252 (1986-10-01), Hisajima et al.
patent: 4624552 (1986-11-01), Asako
patent: 4647191 (1987-03-01), Kunikawa et al.

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