Color copying apparatus with improved start timing of a scanner

Details Color copying apparatus with improved start timing of a scanner Color copying apparatus with improved start timing of a scanner

1990-12-12

1993-10-19

Picard, Leo P.

Photocopying

Contact printing

Light boxes

346157, 355208, 355233, G03G 1501

Patent

active

052550630

ABSTRACT:
A color copying apparatus in accordance with the present invention includes: a scanner for scanning an original to form a plurality of electrostatic latent images corresponding to color components of an image of the original; developing devices for converting the electrostatic latent images formed by the scanner to toner images of different colors; a rotating unit on which the toner images obtained by the conversion are superposed; a detector for detecting a rotating position of the rotating unit; a controller for controlling start timing of the scanner in response to a detection output of the detector; and a regulator for regulating the start timing for each of the toner images.

REFERENCES:
patent: 4320964 (1982-03-01), Ishida et al.
patent: 4733269 (1988-03-01), Kasahara et al.
patent: 4933721 (1990-06-01), Yasuda et al.
patent: 4935787 (1990-06-01), Maeda et al.
patent: 4965597 (1990-10-01), Ohigashi et al.
patent: 5023708 (1991-06-01), Maruyama et al.

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