JPS6410749U - - Google Patents
Info
- Publication number
- JPS6410749U JPS6410749U JP10445687U JP10445687U JPS6410749U JP S6410749 U JPS6410749 U JP S6410749U JP 10445687 U JP10445687 U JP 10445687U JP 10445687 U JP10445687 U JP 10445687U JP S6410749 U JPS6410749 U JP S6410749U
- Authority
- JP
- Japan
- Prior art keywords
- platen
- light
- copying machine
- receiving element
- electrophotographic copying
- 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
- Holders For Sensitive Materials And Originals (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
図面は本考案の実施例を示し、第１図はセンサ
ー部分の斜視図、第２図は縦断面図、第３図は受
光素子の出力電圧と原稿巾の関係を示す図表、第
４図は受光時間と原稿長さの関係を示す図表、第
５図は電子写真複写機の全体概略図、第６図はセ
ンサー部の他の実施例を示す断面図、第７図はプ
ラテン移動型の電子写真複写機の場合の説明図、
第８図はセンサー部の平面図である。
８はプラテン、９は原稿。
The drawings show an embodiment of the present invention; Fig. 1 is a perspective view of the sensor section, Fig. 2 is a vertical sectional view, Fig. 3 is a chart showing the relationship between the output voltage of the light receiving element and the document width, and Fig. 4 is a diagram showing the relationship between the output voltage of the light receiving element and the document width. A chart showing the relationship between light reception time and document length, Fig. 5 is a general schematic diagram of an electrophotographic copying machine, Fig. 6 is a sectional view showing another embodiment of the sensor section, and Fig. 7 is a platen moving type electronic copying machine. An explanatory diagram for a photocopy machine,
FIG. 8 is a plan view of the sensor section. 8 is the platen, 9 is the original.
Claims (1)
設けた露光光学系により露光してコピーする電子
写真複写機において、前記プラテン８の下方にお
ける画像露光領域を避ける位置に、プラテン８の
巾方向全域に光を照射する手段と、プラテン８よ
りの反射光を受光する受光素子とを設けると共に
、この受光素子の受光状態で原稿サイズを判断す
るコントローラ２５を設けたことを特徴とする電
子写真複写機の原稿サイズ検知装置。 In an electrophotographic copying machine that exposes and copies a document 9 on a platen 8 using an exposure optical system provided below the platen 8, the entire width direction of the platen 8 is placed at a position avoiding the image exposure area below the platen 8. An electrophotographic copying machine characterized by being provided with a means for irradiating light onto a platen 8, a light-receiving element for receiving reflected light from a platen 8, and a controller 25 for determining the document size based on the light-receiving state of the light-receiving element. Original size detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10445687U JPS6410749U (en) | 1987-07-09 | 1987-07-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10445687U JPS6410749U (en) | 1987-07-09 | 1987-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6410749U true JPS6410749U (en) | 1989-01-20 |
Family
ID=31336186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10445687U Pending JPS6410749U (en) | 1987-07-09 | 1987-07-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6410749U (en) |
-
1987
- 1987-07-09 JP JP10445687U patent/JPS6410749U/ja active Pending
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