JPH01177742U - - Google Patents
Info
- Publication number
- JPH01177742U JPH01177742U JP7440188U JP7440188U JPH01177742U JP H01177742 U JPH01177742 U JP H01177742U JP 7440188 U JP7440188 U JP 7440188U JP 7440188 U JP7440188 U JP 7440188U JP H01177742 U JPH01177742 U JP H01177742U
- Authority
- JP
- Japan
- Prior art keywords
- optical path
- illumination optical
- light
- light source
- document surface
- 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
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000005286 illumination Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Systems Of Projection Type Copiers (AREA)
Description
第1図は本考案の露光量調整装置を用いた複写
装置の光学系を示す説明図、第2図は可動遮光部
材の取付け構造を示す斜視図、第3図は本考案の
第1実施例の概略側面図、第4図及び第5図は可
動遮光部材の取付け構造の変形例を示す斜視図、
第6図は本考案の第2実施例の概略側面図、第7
図は本考案の第3実施例の概略側面図、第8図は
2つの光路を有する光学系の概略側面図、第9図
は従来の露光量調整装置を示す概略側面図である
。
10……主反射鏡、12……副反射鏡、13…
…可動遮光部材、P……第1照明光路、Q……第
2照明光路、R……第3照明光路。
Fig. 1 is an explanatory diagram showing the optical system of a copying machine using the exposure amount adjusting device of the present invention, Fig. 2 is a perspective view showing the mounting structure of a movable light shielding member, and Fig. 3 is a first embodiment of the present invention. 4 and 5 are perspective views showing modified examples of the mounting structure of the movable light shielding member,
FIG. 6 is a schematic side view of the second embodiment of the present invention;
The figure is a schematic side view of a third embodiment of the present invention, FIG. 8 is a schematic side view of an optical system having two optical paths, and FIG. 9 is a schematic side view showing a conventional exposure amount adjusting device. 10...Main reflecting mirror, 12...Sub reflecting mirror, 13...
...Movable light shielding member, P...First illumination optical path, Q...Second illumination optical path, R...Third illumination optical path.
Claims (1)
を反射鏡で反射集光させて原稿面を照射する反射
照明光路と、光源管灯からの光を直接原稿面に照
射する直接照明光路とを有し、光源管灯から原稿
面に達する露光量を調整する露光量調整装置にお
いて、 前記直接照明光路の途中に直接照明光路の光量
を調整する光量調整部材を設けたことを特徴とす
る露光量調整装置。[Scope of Claim for Utility Model Registration] A reflective illumination optical path comprising a light source tube and a reflector, which reflects and focuses the light from the light source tube on the reflector to illuminate the document surface; In an exposure amount adjustment device that has a direct illumination optical path that directly illuminates the document surface and adjusts the amount of exposure that reaches the document surface from the light source tube lamp, a light amount adjustment device that adjusts the light amount of the direct illumination optical path is provided in the middle of the direct illumination optical path. An exposure amount adjusting device characterized by being provided with a member.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7440188U JPH01177742U (en) | 1988-06-03 | 1988-06-03 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7440188U JPH01177742U (en) | 1988-06-03 | 1988-06-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01177742U true JPH01177742U (en) | 1989-12-19 |
Family
ID=31299514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7440188U Pending JPH01177742U (en) | 1988-06-03 | 1988-06-03 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01177742U (en) |
-
1988
- 1988-06-03 JP JP7440188U patent/JPH01177742U/ja active Pending
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