JPS5694370A - Electrophotographic copier - Google Patents
Electrophotographic copierInfo
- Publication number
- JPS5694370A JPS5694370A JP17116379A JP17116379A JPS5694370A JP S5694370 A JPS5694370 A JP S5694370A JP 17116379 A JP17116379 A JP 17116379A JP 17116379 A JP17116379 A JP 17116379A JP S5694370 A JPS5694370 A JP S5694370A
- Authority
- JP
- Japan
- Prior art keywords
- switch
- original platen
- magnet
- reed switch
- central part
- 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)
Abstract
PURPOSE:To enable good quality copying to be performed by so constituting the apparatus that the position of an original platen or exposure lamp to be accurately detected and controlled. CONSTITUTION:Either of a lead switch 8 or a permanent magnet 9 is mounted to an original platen, and the remaining one is fixed and is used. In the central part of the reed switch 8, the lead switches makes OFF operation, and ON operation exists at both ends away several mm. from the central part of the reed switch. From this, the reed switch makes ON operation if the position of a permanent magnet 9 is selected at the point A which is Y=Q, Z=P. Next, if said magnet 9 is moved by maintaining Z=P, Y=Q in the section Z=P, the switch 8 goes ON over >=40mm.. From this, the switch 8 operates always in the same position, and the ON operation distance or ON operation time of the switch 8 of the original platen is prolonged more than the length in the moving direction of the magnet 9. Hence, the copying of good quality is accomplished.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17116379A JPS5694370A (en) | 1979-12-28 | 1979-12-28 | Electrophotographic copier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17116379A JPS5694370A (en) | 1979-12-28 | 1979-12-28 | Electrophotographic copier |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5694370A true JPS5694370A (en) | 1981-07-30 |
Family
ID=15918153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17116379A Pending JPS5694370A (en) | 1979-12-28 | 1979-12-28 | Electrophotographic copier |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5694370A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4858376A (en) * | 1971-11-24 | 1973-08-16 | ||
JPS54109453A (en) * | 1978-12-28 | 1979-08-28 | Canon Inc | Copy controller |
-
1979
- 1979-12-28 JP JP17116379A patent/JPS5694370A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4858376A (en) * | 1971-11-24 | 1973-08-16 | ||
JPS54109453A (en) * | 1978-12-28 | 1979-08-28 | Canon Inc | Copy controller |
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