JPS644764A - Information adding device for copying machine - Google Patents
Information adding device for copying machineInfo
- Publication number
- JPS644764A JPS644764A JP62161722A JP16172287A JPS644764A JP S644764 A JPS644764 A JP S644764A JP 62161722 A JP62161722 A JP 62161722A JP 16172287 A JP16172287 A JP 16172287A JP S644764 A JPS644764 A JP S644764A
- Authority
- JP
- Japan
- Prior art keywords
- numeral
- emitting element
- light emitting
- black part
- light
- 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
- Control Or Security For Electrophotography (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Abstract
PURPOSE:To distinctly display a black part and a numeral, etc., which is void on the black part on copying paper with a simple constitution by providing a numeral light emitting element which moves near a photosensitive body drum so as to shade light in an exposure optical path. CONSTITUTION:When a user wants to copy numerals such as date, pages and registered number, etc., on the copying paper, the numeral light emitting element 7 is actuated by a control means 8. The numeral light emitting element 7 moves one range of outer peripheral surface of the photosensitive body drum 6 so as to shade the light for the image exposure (a) of an original 1 and makes static electricity residual on the photosensitive body drum 6. Then the numeral light emitting element 7 is made to emit the light by the control means 8 and the exposure of the numerals is executed on the part where the static electricity is residual. Thus, the black part and the numeral, etc., which is void on the black part can be distinctly copied on the copying paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62161722A JPS644764A (en) | 1987-06-29 | 1987-06-29 | Information adding device for copying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62161722A JPS644764A (en) | 1987-06-29 | 1987-06-29 | Information adding device for copying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS644764A true JPS644764A (en) | 1989-01-09 |
Family
ID=15740638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62161722A Pending JPS644764A (en) | 1987-06-29 | 1987-06-29 | Information adding device for copying machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS644764A (en) |
-
1987
- 1987-06-29 JP JP62161722A patent/JPS644764A/en active Pending
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