JPS62201741U - - Google Patents
Info
- Publication number
- JPS62201741U JPS62201741U JP9051686U JP9051686U JPS62201741U JP S62201741 U JPS62201741 U JP S62201741U JP 9051686 U JP9051686 U JP 9051686U JP 9051686 U JP9051686 U JP 9051686U JP S62201741 U JPS62201741 U JP S62201741U
- Authority
- JP
- Japan
- Prior art keywords
- pattern
- photoreceptor
- optical system
- image
- contact glass
- 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
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Projection-Type Copiers In General (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
Description
第１図は本考案一実施例の概略構成図、第２図
はベルト感光体の斜視図、第３図及び第４図は感
光体のパターンを照明する手段を各例につき示し
た図、第５図はパターン投影像を観察する場合の
１つの方式例を示す図、第６図はＭＴＦ値を測定
する場合の１つの方式例を示す図、第７図はオー
トフオーカスを実現するための１つの方式例を示
す図である。
１……コンタクトガラス、５……結像レンズ、
６……ミラー、７……感光体、１３，１５……照
明装置、Ｐ……パターン。
FIG. 1 is a schematic diagram of an embodiment of the present invention; FIG. 2 is a perspective view of a belt photoreceptor; FIGS. Figure 5 shows an example of a method for observing a projected pattern image, Figure 6 shows an example of a method for measuring an MTF value, and Figure 7 shows an example of a method for realizing autofocus. FIG. 3 is a diagram illustrating an example of one method. 1...Contact glass, 5...Imaging lens,
6...Mirror, 7...Photoreceptor, 13, 15...Lighting device, P...Pattern.
Claims (1)
光学系を介して感光体に結像投影する複写装置で
あつて、前記感光体を透明感光体で構成すると共
に、該透明感光体の裏面に、前記光学系の焦点合
わせ用のパターンを形成し、かつ、このパターン
を照明する部位に、当該パターンを照明すること
によつて、この照明に伴なうパターン像を、前記
光学系を介してコンタクトガラスに投影させるた
めのパターン照明装置を設けたことを特徴とする
複写装置。 The optical image of the original placed on the contact glass,
A copying apparatus that forms and projects an image onto a photoreceptor through an optical system, wherein the photoreceptor is made of a transparent photoreceptor, and a pattern for focusing the optical system is formed on the back surface of the transparent photoreceptor. and a pattern illumination device for projecting a pattern image accompanying this illumination onto the contact glass via the optical system by illuminating the pattern at the part where the pattern is illuminated. A copying device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9051686U JPS62201741U (en) | 1986-06-16 | 1986-06-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9051686U JPS62201741U (en) | 1986-06-16 | 1986-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62201741U true JPS62201741U (en) | 1987-12-23 |
Family
ID=30950456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9051686U Pending JPS62201741U (en) | 1986-06-16 | 1986-06-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62201741U (en) |
-
1986
- 1986-06-16 JP JP9051686U patent/JPS62201741U/ja active Pending