Photocopying – Contact printing – Light boxes
Patent
1992-09-17
1994-03-15
Grimley, A. T.
Photocopying
Contact printing
Light boxes
355208, 355327, G03G 1501
Patent
active
052949699
ABSTRACT:
Copying apparatus having a movable developing unit provided with a plurality of developing devices. This copying apparatus measures the mechanical characteristics of the drive mechanism driving the developing unit and determines if these characteristics deviate from normal values, and the drive signals transmitted to the drive mechanism are adjusted in accordance with the results of the measurement.
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patent: 4958191 (1990-09-01), Yamada et al.
patent: 4970557 (1990-11-01), Masuda et al.
patent: 5014095 (1991-05-01), Yamada
patent: 5103764 (1992-04-01), Fujiwara et al.
patent: 5138398 (1992-08-01), Yamada
patent: 5182584 (1993-01-01), Fukunaga et al.
Brase Sandra L.
Grimley A. T.
Minolta Camera Kabushiki Kaisha
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