Image forming apparatus, image forming method and image...

Details Image forming apparatus, image forming method and image... Image forming apparatus, image forming method and image...

2011-08-09

2011-08-09

Pham, Hai C (Department: 2861)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

C347S255000

Reexamination Certificate

active

07995086

ABSTRACT:
An image forming apparatus includes a laser array in which n light emitting sources are arrayed, an image-input converting unit configured to create, for each of channels of the laser array, a recording pattern for executing PWC from input image data and extract recording patterns of an nth channel and a first channel of the next scanning of the laser array, an overlapping control unit configured to calculate the width of laser pulses in the same position in a main scanning direction as overlapping width, a data correcting unit configured to reduce laser pulse width by a reduction amount corresponding to the calculated overlapping width and correct the laser pulse width, and a laser driver configured to control the intensity of laser beams in the respective channels of the laser array according to the recording patterns after the correction.

REFERENCES:
patent: 6873350 (2005-03-01), Saito et al.
patent: 7030899 (2006-04-01), Hoshino et al.
patent: 2004-077714 (2004-03-01), None
patent: 2008-012806 (2008-01-01), None

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