JPS5583071A - Copying apparatus - Google Patents
Copying apparatusInfo
- Publication number
- JPS5583071A JPS5583071A JP15729478A JP15729478A JPS5583071A JP S5583071 A JPS5583071 A JP S5583071A JP 15729478 A JP15729478 A JP 15729478A JP 15729478 A JP15729478 A JP 15729478A JP S5583071 A JPS5583071 A JP S5583071A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- hole
- discharging
- lens block
- photoreceptor
- 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)
- Optical Systems Of Projection Type Copiers (AREA)
Abstract
PURPOSE: To prevent discharging by forming the lens end part of the photoreceptor side of the lens block larger than the diameter of the through-hole of the second lens substrate and covering the edge portion of the through-hole.
CONSTITUTION: The device is so arranged that the respective portions of the original D are imaged on projection face (photoreceptor) P by the 1st lens block 81 and 2nd lens block 82 and the entire image of the original D is formed through movement of the projection face P. The surface part 181 on the photoreceptor side of the element lens 182 of the 2nd lens block is made larger in diameter than the through-hole of the lens substrate and insulators 183, 183' of the state covering the end parts are disposed in proximity or close contact opposedly to the end face 181. Since this constitution prevents discharging, this copying apparatus is made to the apparatus by which discharging with the other member is prevented.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15729478A JPS5583071A (en) | 1978-12-18 | 1978-12-18 | Copying apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15729478A JPS5583071A (en) | 1978-12-18 | 1978-12-18 | Copying apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5583071A true JPS5583071A (en) | 1980-06-23 |
Family
ID=15646508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15729478A Pending JPS5583071A (en) | 1978-12-18 | 1978-12-18 | Copying apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5583071A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000214411A (en) * | 1998-10-14 | 2000-08-04 | Hitachi Ltd | Image-formation unit, image enlarging unit, optical parts and picture display device using them |
-
1978
- 1978-12-18 JP JP15729478A patent/JPS5583071A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000214411A (en) * | 1998-10-14 | 2000-08-04 | Hitachi Ltd | Image-formation unit, image enlarging unit, optical parts and picture display device using them |
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