Facsimile and static presentation processing – Static presentation processing – Size – resolution – or scale control
Reexamination Certificate
2007-04-24
2007-04-24
Tran, Douglas Q. (Department: 2625)
Facsimile and static presentation processing
Static presentation processing
Size, resolution, or scale control
C358S001160, C358S451000, C382S258000, C382S298000, C382S300000
Reexamination Certificate
active
09618537
ABSTRACT:
The object of the present invention is to use the same FIFO line memory for both enlargement and reduction during variable-magnification processing in the scan direction, allowing reduction in circuit board area, reduction in power consumption, and reduction in cost, and to provide an image processing apparatus that allows variable-magnification processing to be carried out such that the speed of a scanning unit that captures image data during variable-magnification processing in the cross-scan direction is constant. During processing to enlarge an image in the scan direction, image data travels from CCD circuit board, passing through gate b of selector, is written to and read from FIFO memory, and from gate b of selector is written to memory provided at variable magnification unit. At variable magnification unit, image data is read from memory a plurality of times in correspondence to enlargement ratio, changing the magnification of the image data. Furthermore, image data is output through gate a of selector to LSU unit. During processing to reduce an image, image data travels from CCD circuit board, passing through gate a of selector, is input to variable magnification unit where it is subjected to variable-magnification processing, passes through gate a of selector, is written to and read from FIFO memory, passes through gate b of selector, and is output to LSU unit.
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Office Action from Japan Patent Office for corresponding Japanese Application No. 11-204826 mailed Oct. 28, 2003 (2 pp.) (no translation).
Notification of Reason of Refusal dated Sep. 7, 2004, Japanese Patent Application No. 11-204826.
Adachi Toru
Harada Kohsuke
Nakai Yoshiyuki
Nakamura Keiji
Okano Tokiyuki
Conlin David G.
Edwards Angell Palmer & & Dodge LLP
Park Chan S.
Russett Mark D.
Tran Douglas Q.
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