JPS6222142B2 - - Google Patents
Info
- Publication number
- JPS6222142B2 JPS6222142B2 JP3850979A JP3850979A JPS6222142B2 JP S6222142 B2 JPS6222142 B2 JP S6222142B2 JP 3850979 A JP3850979 A JP 3850979A JP 3850979 A JP3850979 A JP 3850979A JP S6222142 B2 JPS6222142 B2 JP S6222142B2
- Authority
- JP
- Japan
- Prior art keywords
- slit
- document
- illumination
- cylindrical
- reflected light
- 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
Links
- 238000005286 illumination Methods 0.000 claims description 40
- 230000004907 flux Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 description 13
- 239000011521 glass Substances 0.000 description 7
- 229910052736 halogen Inorganic materials 0.000 description 6
- 150000002367 halogens Chemical class 0.000 description 6
- 238000003384 imaging method Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000003705 background correction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3850979A JPS55130532A (en) | 1979-03-31 | 1979-03-31 | Shading correction method in slit exposure type lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3850979A JPS55130532A (en) | 1979-03-31 | 1979-03-31 | Shading correction method in slit exposure type lighting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55130532A JPS55130532A (en) | 1980-10-09 |
| JPS6222142B2 true JPS6222142B2 (enExample) | 1987-05-15 |
Family
ID=12527227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3850979A Granted JPS55130532A (en) | 1979-03-31 | 1979-03-31 | Shading correction method in slit exposure type lighting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55130532A (enExample) |
-
1979
- 1979-03-31 JP JP3850979A patent/JPS55130532A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55130532A (en) | 1980-10-09 |
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