JPH055092B2 - - Google Patents
Info
- Publication number
- JPH055092B2 JPH055092B2 JP22209382A JP22209382A JPH055092B2 JP H055092 B2 JPH055092 B2 JP H055092B2 JP 22209382 A JP22209382 A JP 22209382A JP 22209382 A JP22209382 A JP 22209382A JP H055092 B2 JPH055092 B2 JP H055092B2
- Authority
- JP
- Japan
- Prior art keywords
- document
- opening
- width
- original
- image forming
- 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
- 238000005286 illumination Methods 0.000 description 15
- 230000003287 optical effect Effects 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/52—Details
- G03B27/522—Projection optics
- G03B27/525—Projection optics for slit exposure
- G03B27/528—Projection optics for slit exposure in which the projection optics remain stationary
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22209382A JPS59113428A (ja) | 1982-12-20 | 1982-12-20 | 画像形成装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22209382A JPS59113428A (ja) | 1982-12-20 | 1982-12-20 | 画像形成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59113428A JPS59113428A (ja) | 1984-06-30 |
JPH055092B2 true JPH055092B2 (en]) | 1993-01-21 |
Family
ID=16777014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22209382A Granted JPS59113428A (ja) | 1982-12-20 | 1982-12-20 | 画像形成装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59113428A (en]) |
-
1982
- 1982-12-20 JP JP22209382A patent/JPS59113428A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59113428A (ja) | 1984-06-30 |
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