JPS5590974A - Exposure device of electrophotographic copier - Google Patents
Exposure device of electrophotographic copierInfo
- Publication number
- JPS5590974A JPS5590974A JP16526478A JP16526478A JPS5590974A JP S5590974 A JPS5590974 A JP S5590974A JP 16526478 A JP16526478 A JP 16526478A JP 16526478 A JP16526478 A JP 16526478A JP S5590974 A JPS5590974 A JP S5590974A
- Authority
- JP
- Japan
- Prior art keywords
- scanning
- point
- mirrors
- original surface
- mirror
- 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
- Optical Systems Of Projection Type Copiers (AREA)
Abstract
PURPOSE: To considerably increase copying speed and obtain the small-size and inexpensive electrophotographic copier by providing a pair of scanning plane mirrors which reciprocatively move while reflecting the light from a static light source to the original surface and alternately performing illuminating and scanning with the right and left mirrors.
CONSTITUTION: A scanning plane mirror 12 moves to the arrow H direction and slit-illuminates the original surface from the I point to the J point while condensing the reflected light from a light source 7 to the original surface. A scanning plane mirror 13 moves to the arrow K direction to slit-illuminates the original surface from the I point to the J point. During the movement of this scanning mirror 13, the mirror 12 resets to the scanning start position. While the left and right mirrors 12, 13 make one reciprocation, the imaging plane mirrors 3, 4 make two reciprocations to perform exposure twice. The scanning plane mirrors 12, 13 do not require quick return, thus their scanning distance may be reduced and the copying speed considerably improved.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16526478A JPS5590974A (en) | 1978-12-29 | 1978-12-29 | Exposure device of electrophotographic copier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16526478A JPS5590974A (en) | 1978-12-29 | 1978-12-29 | Exposure device of electrophotographic copier |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5590974A true JPS5590974A (en) | 1980-07-10 |
Family
ID=15809017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16526478A Pending JPS5590974A (en) | 1978-12-29 | 1978-12-29 | Exposure device of electrophotographic copier |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5590974A (en) |
-
1978
- 1978-12-29 JP JP16526478A patent/JPS5590974A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES449011A1 (en) | Multi-mode optical scanning system | |
JPS5590974A (en) | Exposure device of electrophotographic copier | |
JPS5748754A (en) | Copying device | |
JPS54138449A (en) | Original fixing type copying machine | |
JPS5567764A (en) | Exposure device | |
JPS5567762A (en) | Exposure device | |
JPS5567765A (en) | Exposure device | |
JPS55155378A (en) | Electrophotographic copying machine | |
JPS5724967A (en) | Scanning exposure type copying machine | |
JPS55126258A (en) | Optical device of copying machine | |
JPS5555364A (en) | Slit exposure optical system in electrophotographic copying machine | |
JPS5622455A (en) | Reciprocating reader | |
JPS5498250A (en) | Scanning exposure device for copier | |
SU596905A1 (en) | Device for projecting fixed image on moving light-sensitive surface | |
JPS5695269A (en) | Scanning exposure device | |
JPS5498251A (en) | Scanning exposure device for copier | |
JPS55124164A (en) | Optical lighting device | |
JPS5470840A (en) | Scanning exposure device for copying apparatus | |
JPS5781275A (en) | Exposure scanner | |
JPS5462817A (en) | Scanning exposure apparatus in coyping machine | |
JPS5589867A (en) | Variable power exposure optical system in copying machine | |
JPH0394555U (en) | ||
JPS57188065A (en) | Electronic copying device | |
JPS5590973A (en) | Exposure device of electrophotographic copier | |
JPS5476161A (en) | Driving method of photoreceptor in electrostatic copying machine |