JP2543321Y2 - 多値画像入力装置 - Google Patents
多値画像入力装置Info
- Publication number
- JP2543321Y2 JP2543321Y2 JP1990123637U JP12363790U JP2543321Y2 JP 2543321 Y2 JP2543321 Y2 JP 2543321Y2 JP 1990123637 U JP1990123637 U JP 1990123637U JP 12363790 U JP12363790 U JP 12363790U JP 2543321 Y2 JP2543321 Y2 JP 2543321Y2
- Authority
- JP
- Japan
- Prior art keywords
- density
- data
- correction
- image
- read
- 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
- 238000013500 data storage Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000003705 background correction Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Image Input (AREA)
- Facsimile Image Signal Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990123637U JP2543321Y2 (ja) | 1990-11-27 | 1990-11-27 | 多値画像入力装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990123637U JP2543321Y2 (ja) | 1990-11-27 | 1990-11-27 | 多値画像入力装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0480179U JPH0480179U (enrdf_load_stackoverflow) | 1992-07-13 |
JP2543321Y2 true JP2543321Y2 (ja) | 1997-08-06 |
Family
ID=31871332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990123637U Expired - Lifetime JP2543321Y2 (ja) | 1990-11-27 | 1990-11-27 | 多値画像入力装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2543321Y2 (enrdf_load_stackoverflow) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63224475A (ja) * | 1987-03-13 | 1988-09-19 | Mitsubishi Electric Corp | カラ−画像読取装置 |
JPH02272878A (ja) * | 1989-04-13 | 1990-11-07 | Ricoh Co Ltd | 原稿読取装置 |
-
1990
- 1990-11-27 JP JP1990123637U patent/JP2543321Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0480179U (enrdf_load_stackoverflow) | 1992-07-13 |
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