JPS6480925A - Optical device for laser beam printer - Google Patents
Optical device for laser beam printerInfo
- Publication number
- JPS6480925A JPS6480925A JP23943887A JP23943887A JPS6480925A JP S6480925 A JPS6480925 A JP S6480925A JP 23943887 A JP23943887 A JP 23943887A JP 23943887 A JP23943887 A JP 23943887A JP S6480925 A JPS6480925 A JP S6480925A
- Authority
- JP
- Japan
- Prior art keywords
- reflecting surface
- laser beam
- scanning beam
- photosensitive drum
- strikes
- 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
Abstract
PURPOSE:To scan a scanning beam without using a rotary polygon mirror nor an ftheta lens by providing a reflecting surface consisting of successive surfaces which reflect the scanning beam toward the surface of a photosensitive drum when reaching the position where the scanning beam strikes. CONSTITUTION:The reflecting surface 15 is provided which is driven to rotate and formed spirally having its center on the its rotary shaft 15a. The reflecting surface 15b consists of the successive surfaces which reflect the scanning beam toward the surface of the photosensitive drum 16 when reaching the position where the scanning beam emitted by a light emitting member 14 strikes. When the spiral reflecting surface 15b rotates, the reflection position where the laser beam strikes moves in the direction of the rotary shaft 15b of the reflecting surface and the laser beam reflected by the reflecting surface 15b scans on the surface of the photosensitive drum 16 in the drum shaft direction. Consequently, the laser beam can be scanned without using any rotary polygon mirror nor any high-accuracy, expensive ftheta lens.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23943887A JPS6480925A (en) | 1987-09-22 | 1987-09-22 | Optical device for laser beam printer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23943887A JPS6480925A (en) | 1987-09-22 | 1987-09-22 | Optical device for laser beam printer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6480925A true JPS6480925A (en) | 1989-03-27 |
Family
ID=17044772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23943887A Pending JPS6480925A (en) | 1987-09-22 | 1987-09-22 | Optical device for laser beam printer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6480925A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0995006A (en) * | 1994-03-04 | 1997-04-08 | Ruhlatec Ind Gmbh | Method and apparatus for regenerating data |
KR20010100164A (en) * | 2001-10-20 | 2001-11-14 | 서재현 | Radial Optical Scanner |
-
1987
- 1987-09-22 JP JP23943887A patent/JPS6480925A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0995006A (en) * | 1994-03-04 | 1997-04-08 | Ruhlatec Ind Gmbh | Method and apparatus for regenerating data |
KR20010100164A (en) * | 2001-10-20 | 2001-11-14 | 서재현 | Radial Optical Scanner |
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