COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 4
IMAGE PROCESSING SYSTEM
I.
OUTLINE .....................................4-1
II.
CCD/CCD DRIVE........................4-2
A. Controlling the CCD ...............4-2
B. CCD Driver Circuit .................4-2
III.
ANALOG IMAGE
PROCESSING ............................4-3
IV.
DIGITAL IMAGE
PROCESSING ............................4-4
A. Outline ....................................4-4
B. Shading Correction ................4-6
C. 3-Line CCD Position Matching
Circuit .....................................4-7
D. Sensor Color Correction
Circuit .....................................4-7
E. Original Position Detection
Circuit .....................................4-8
F. Black Detection Circuit and
Edge/Line Width
Detection Circuit .....................4-9
G. Chromatic Space Correction
Circuit .................................. 4-10
H. Direct Mapping Circuit ........ 4-10
I. Logarithmic Correction and
BGR-to-YMC Conversion .... 4-11
J. Toner Color Correction
Circuit .................................. 4-12
K. Coloring/Contour
Processing .......................... 4-12
L. Density Processing ............. 4-13
M. Enlargement/Reduction,
Shift, and Edit Processing ... 4-13
N. Sharpness/Filter
Processing .......................... 4-14
O. Anti-Counterfeit
Mechanism .......................... 4-14
P. CMYBk/RGB Integration ..... 4-15
Q. Texture Processing ............. 4-15
R. Color Conversion ................ 4-15
V.
DISASSEMBLY/ASSEMBLY .... 4-16
A. Electrical Parts .................... 4-17
This chapter explains the operations and functions of the copier’s image processing
mechanisms, and provides an outline of the timing at which various associated parts are driven.
Содержание CLC 1120
Страница 6: ......
Страница 20: ......
Страница 22: ......
Страница 48: ......
Страница 94: ......
Страница 96: ......
Страница 114: ......
Страница 134: ......
Страница 136: ......
Страница 152: ......
Страница 242: ......
Страница 346: ......
Страница 374: ......
Страница 376: ......
Страница 412: ......
Страница 452: ......
Страница 454: ......
Страница 517: ......
Страница 531: ...13 4 COPYRIGHT 1999 CANON INC CANON CLC1120 1130 1150 REV 0 MAR 1999 PRINTED IN JAPAN IMPRIME AU JAPON ...
Страница 881: ......
Страница 893: ......
Страница 895: ......
Страница 899: ......
Страница 901: ...0499S1 5 1 PRINTED IN JAPAN IMPRIME AU JAPON This publication is printed on 70 reprocessed paper ...