Optical scanning apparatus

Details Optical scanning apparatus Optical scanning apparatus

2007-06-05

2007-06-05

Phan, James (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

C359S204200, C359S216100, C399S151000

Reexamination Certificate

active

11511348

ABSTRACT:
To provide an image forming apparatus including a plurality of laser scanning units having deflecting and scanning means which deflect and scan light fluxes emitted from a plurality of light sources, respectively; a plurality of image bearing members on which electrostatic latent images are formed by scanning the light fluxes by means of the deflecting and scanning means; and a plurality of development units which develops the electrostatic latent image formed on each of the plurality of image bearing members with toners of colors with different brightness; wherein the rotational phases of the plurality of deflecting and scanning means are controlled, respectively, based on the light flux for scanning an image bearing member on which a toner image of which color has a lower brightness among a plurality of image bearing members which is scanned by the deflecting and scanning means is formed.

REFERENCES:
patent: 6013406 (2000-01-01), Moriki et al.
patent: 6819902 (2004-11-01), Toyohara et al.
patent: 9-104132 (1997-04-01), None

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