Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Reexamination Certificate
2008-07-29
2011-12-20
Pham, Hai C (Department: 2861)
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
C347S229000, C347S248000
Reexamination Certificate
active
08081202
ABSTRACT:
An image forming apparatus includes a device-information storage unit configured to store a scanning frequency of an oscillating device; an image storage unit configured to store image data used for image formation; an image processing unit configured to perform an enlargement or reduction, in a direction orthogonal to a direction of the scanning of the laser beam and in accordance with a given parameter, on the image data stored in the image storage unit; a setting unit configured to calculate the parameter from the scanning frequency stored in the device-information storage unit and a predetermined reference frequency and configured to provide the parameter to the image processing unit; and a driving unit configured to drive a laser beam device according to the image data processed by the image processing unit.
REFERENCES:
patent: 2004/0120023 (2004-06-01), Bush et al.
patent: 2003-266774 (2003-09-01), None
patent: 2005-181655 (2005-07-01), None
patent: 2007-171854 (2007-07-01), None
Canon Kabushiki Kaisha
Pham Hai C
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