JPS6199854U - - Google Patents
Info
- Publication number
- JPS6199854U JPS6199854U JP18464784U JP18464784U JPS6199854U JP S6199854 U JPS6199854 U JP S6199854U JP 18464784 U JP18464784 U JP 18464784U JP 18464784 U JP18464784 U JP 18464784U JP S6199854 U JPS6199854 U JP S6199854U
- Authority
- JP
- Japan
- Prior art keywords
- lasers
- polygon mirror
- laser beam
- gradation
- laser
- 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
- 239000011159 matrix material Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 1
- 108091008695 photoreceptors Proteins 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Laser Beam Printer (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
第１図は本考案の一実施例を示す構成図、第２
図は本考案における露光原略の説明図、第３図は
従来の走査型露光装置を示す構成図、第４図は従
来のマトリクス露光の説明図。
符号の説明、３……ポリゴンミラー、４……Ｆ
θレンズ、５……感光体ドラム、１１，１４，１
８，２０……レーザ、１５，２１……ビームスプ
リツタ、２３……ハーフミラー。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
FIG. 3 is an explanatory diagram of the exposure system according to the present invention, FIG. 3 is a configuration diagram showing a conventional scanning type exposure apparatus, and FIG. 4 is an explanatory diagram of conventional matrix exposure. Explanation of symbols, 3...polygon mirror, 4...F
θ lens, 5...photosensitive drum, 11, 14, 1
8, 20... Laser, 15, 21... Beam splitter, 23... Half mirror.
Claims (1)
ビームをポリゴンミラーによつて感光体表面に走
査し、且つ所定の階調をマトリクス方式によつて
実現する走査型露光装置において、 各々異なるビーム径のレーザビームを発生する
複数のレーザと、 該複数のレーザよりのレーザビームを同一光軸
に沿つて前記ポリゴンミラーへ供給するビーム光
合成手段と、 前記複数のレーザの各々を求める階調に応じて
所定のタイミングでオン・オフ制御する発光制御
手段を設けたことを特徴とする走査型露光装置。[Claims for Utility Model Registration] Scanning exposure that scans the surface of a photoreceptor using a polygon mirror with a laser beam that is controlled on and off according to a recording signal, and achieves a predetermined gradation using a matrix method. In the apparatus, a plurality of lasers each generating a laser beam with a different beam diameter, a beam light combining means for supplying the laser beams from the plurality of lasers to the polygon mirror along the same optical axis, and each of the plurality of lasers. 1. A scanning type exposure apparatus comprising a light emission control means for controlling on/off at a predetermined timing according to a desired gradation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18464784U JPS6199854U (en) | 1984-12-05 | 1984-12-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18464784U JPS6199854U (en) | 1984-12-05 | 1984-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6199854U true JPS6199854U (en) | 1986-06-26 |
Family
ID=30742132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18464784U Pending JPS6199854U (en) | 1984-12-05 | 1984-12-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6199854U (en) |
-
1984
- 1984-12-05 JP JP18464784U patent/JPS6199854U/ja active Pending
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