JPS63137358U - - Google Patents
Info
- Publication number
- JPS63137358U JPS63137358U JP2984887U JP2984887U JPS63137358U JP S63137358 U JPS63137358 U JP S63137358U JP 2984887 U JP2984887 U JP 2984887U JP 2984887 U JP2984887 U JP 2984887U JP S63137358 U JPS63137358 U JP S63137358U
- Authority
- JP
- Japan
- Prior art keywords
- slit
- amount control
- exposure amount
- movable
- color
- 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.)
- Pending
Links
- 238000000926 separation method Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 5
- 108091008695 photoreceptors Proteins 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Light Sources And Details Of Projection-Printing Devices (AREA)
- Color Electrophotography (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
第１図は本考案を実施したカラー複写機の断面
説明図、第２図は照度補正部の説明図、第３図は
光量安定化方法の模式図、第４図は倍率と照度レ
ベルの関係を示す図、第５図はレンズキヤリツジ
の斜視図、第６図は同断面図、第７図は絞り装置
の分解斜視図、第８図はシエイデイング装置の分
解斜視図、第９図は変倍時のシエイデイング作用
の模式図、第１０図は変倍時のシエイデイング効
果を示す図である。
１……照明装置、２……ミラー部材、３……レ
ンズキヤリツジ、４……色分解フイルター、５…
…感光体ドラム、２４……投影レンズ、２５……
絞り装置、２６……シエイデイング装置、３２…
…絞り板、３５……シエイデイング板。
Figure 1 is an explanatory cross-sectional view of a color copying machine implementing the present invention, Figure 2 is an explanatory diagram of the illuminance correction section, Figure 3 is a schematic diagram of the light amount stabilization method, and Figure 4 is the relationship between magnification and illuminance level. 5 is a perspective view of the lens carriage, FIG. 6 is a sectional view of the same, FIG. 7 is an exploded perspective view of the aperture device, FIG. 8 is an exploded perspective view of the shading device, and FIG. 9 is a perspective view of the lens carriage. FIG. 10 is a schematic diagram showing the shading effect during magnification. FIG. 10 is a diagram showing the shading effect during zooming. DESCRIPTION OF SYMBOLS 1...Lighting device, 2...Mirror member, 3...Lens carriage, 4...Color separation filter, 5...
...Photosensitive drum, 24...Projection lens, 25...
Squeezing device, 26...Shading device, 32...
...Aperture board, 35...Shading board.
Claims (1)
ラー電子写真複写機において、複写倍率の変更に
対応して光軸と平行な方向に移動可能な投影レン
ズとミラー部材とを有し、原稿画像を感光体にス
リツト露光するための光学手段及び色分解手段と
、前記光学手段により形成されるスリツト光路に
対して進退可能に設けられた露光量制御手段とを
備え、該露光量制御手段をレンズキヤリツジに載
置して、前記投影レンズと一体的に移動可能とな
したことを特徴とするカラー複写機の露光量制御
装置。 (2) レンズキヤリツジがスリツト長手方向に、
光軸に対して移動可能なシエイデイング部材を有
することを特徴とする実用新案登録請求の範囲第
１項記載のカラー複写機の露光量制御装置。[Claims for Utility Model Registration] (1) A projection lens and a mirror that are movable in a direction parallel to the optical axis in response to changes in copying magnification in a slit exposure color electrophotographic copying machine capable of changing copying magnification. an optical means and color separation means for slit-exposing a document image onto a photoreceptor, and an exposure amount control means provided to be movable forward and backward with respect to the slit optical path formed by the optical means. An exposure amount control device for a color copying machine, characterized in that the exposure amount control means is mounted on a lens carriage so as to be movable integrally with the projection lens. (2) The lens carriage extends in the longitudinal direction of the slit.
2. The exposure amount control device for a color copying machine as claimed in claim 1, further comprising a shading member movable with respect to an optical axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2984887U JPS63137358U (en) | 1987-02-28 | 1987-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2984887U JPS63137358U (en) | 1987-02-28 | 1987-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63137358U true JPS63137358U (en) | 1988-09-09 |
Family
ID=30834109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2984887U Pending JPS63137358U (en) | 1987-02-28 | 1987-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63137358U (en) |
-
1987
- 1987-02-28 JP JP2984887U patent/JPS63137358U/ja active Pending
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