JPH0439059B2 - - Google Patents
Info
- Publication number
- JPH0439059B2 JPH0439059B2 JP58071900A JP7190083A JPH0439059B2 JP H0439059 B2 JPH0439059 B2 JP H0439059B2 JP 58071900 A JP58071900 A JP 58071900A JP 7190083 A JP7190083 A JP 7190083A JP H0439059 B2 JPH0439059 B2 JP H0439059B2
- Authority
- JP
- Japan
- Prior art keywords
- density
- frequency
- original
- sampling
- image
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005070 sampling Methods 0.000 claims description 40
- 238000003908 quality control method Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000015654 memory Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000010421 pencil drawing Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
- G03G15/5025—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the original characteristics, e.g. contrast, density
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Of Exposure In Printing And Copying (AREA)
- Control Or Security For Electrophotography (AREA)
- Fax Reproducing Arrangements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58071900A JPS59197032A (ja) | 1983-04-22 | 1983-04-22 | 複写濃度制御装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58071900A JPS59197032A (ja) | 1983-04-22 | 1983-04-22 | 複写濃度制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59197032A JPS59197032A (ja) | 1984-11-08 |
| JPH0439059B2 true JPH0439059B2 (enrdf_load_stackoverflow) | 1992-06-26 |
Family
ID=13473870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58071900A Granted JPS59197032A (ja) | 1983-04-22 | 1983-04-22 | 複写濃度制御装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59197032A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07120095B2 (ja) * | 1986-05-30 | 1995-12-20 | キヤノン株式会社 | 画像形成装置 |
| JPH075737A (ja) * | 1993-01-01 | 1995-01-10 | Minolta Co Ltd | 画像濃度制御装置 |
| JP3046493B2 (ja) * | 1994-05-09 | 2000-05-29 | シャープ株式会社 | 画像処理装置 |
-
1983
- 1983-04-22 JP JP58071900A patent/JPS59197032A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59197032A (ja) | 1984-11-08 |
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