JPS60193518U - optical scanning device - Google Patents
optical scanning deviceInfo
- Publication number
- JPS60193518U JPS60193518U JP8110984U JP8110984U JPS60193518U JP S60193518 U JPS60193518 U JP S60193518U JP 8110984 U JP8110984 U JP 8110984U JP 8110984 U JP8110984 U JP 8110984U JP S60193518 U JPS60193518 U JP S60193518U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- rotating polygon
- polygon mirror
- semiconductor laser
- actuator
- 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
- Facsimile Scanning Arrangements (AREA)
- Dot-Matrix Printers And Others (AREA)
- Laser Beam Printer (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案による光走査装置の一実施例を説明する
ための概略構成を示す斜視図、第２図は半導体レーザ光
源１の変位量と、面倒れ補正値との関係を説明するため
の図、第３図は積層形圧電素子の形状例を示す図である
。
図中、１は半導体レーザ光源、２は光源保持部材、３は
積層形圧電素子よりなるアクチュエータ、４はコリメー
トレンズ、５は回転多面鏡、５′は回転多面鏡の鏡面、
６はｆθレンズ、７は感光ドラム、７′は感光ドラムの
像面、８は制御装置、９は面検出器、１０は回転多面鏡
の回転軸、ｈは回転多面鏡の鏡面の面倒れによる像面上
の誤差、φは回転多面鏡の鏡面の倒れ角、ΔＸは像面上
での誤差りを補正するための半導体レーザ光源の変位量
、ａは積層形圧電素子の縦寸法、ｂは同じく横寸法、ｔ
は同じく厚さ寸法をそれぞれ示す。FIG. 1 is a perspective view showing a schematic configuration for explaining an embodiment of an optical scanning device according to the present invention, and FIG. 2 is a perspective view for explaining the relationship between the amount of displacement of the semiconductor laser light source 1 and the surface tilt correction value. FIG. 3 is a diagram showing an example of the shape of a laminated piezoelectric element. In the figure, 1 is a semiconductor laser light source, 2 is a light source holding member, 3 is an actuator made of a laminated piezoelectric element, 4 is a collimating lens, 5 is a rotating polygon mirror, 5' is a mirror surface of the rotating polygon mirror,
6 is an fθ lens, 7 is a photosensitive drum, 7' is an image plane of the photosensitive drum, 8 is a control device, 9 is a surface detector, 10 is a rotation axis of a rotating polygon mirror, and h is based on the inclination of the mirror surface of the rotating polygon mirror. The error on the image plane, φ is the inclination angle of the mirror surface of the rotating polygon mirror, ΔX is the amount of displacement of the semiconductor laser light source to correct the error on the image plane, a is the vertical dimension of the laminated piezoelectric element, and b is the Similarly, the horizontal dimension, t
also respectively indicate the thickness dimensions.
Claims (2)
を平行光ビームにするコリメートレンズと、該平行光ビ
ームを偏向走査する回転多面鏡と、該走査光を像面上に
集光する走査用レンズとを具備した光走査装置に、前記
半導体レーザ光源または前記コリメートレンズのいずれ
かを前記回転多面鏡の回転軸と平行な方向へ前記回転多
面鏡の回転に同期して変位させるアクチュエータを付設
し、該アクチュエータによって前記半導体レーザ光源の
平行光ビーム射出方向を変位させるよう構成されてなる
ことを特徴とする光走査装置。(1) A semiconductor laser light source, a collimating lens that converts the beam emitted from the light source into a parallel light beam, a rotating polygon mirror that deflects and scans the parallel light beam, and a scanning mirror that focuses the scanning light onto an image plane. an actuator that displaces either the semiconductor laser light source or the collimating lens in a direction parallel to the rotation axis of the rotating polygon mirror in synchronization with the rotation of the rotating polygon mirror; An optical scanning device characterized in that the actuator is configured to displace the parallel light beam emission direction of the semiconductor laser light source.
ことを特徴とする実用新案登録請求の範囲第１項記載の
先走差装置。(2) The leading differential device according to claim 1, which is a registered utility model, characterized in that a laminated piezoelectric element is used for the actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8110984U JPS60193518U (en) | 1984-05-30 | 1984-05-30 | optical scanning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8110984U JPS60193518U (en) | 1984-05-30 | 1984-05-30 | optical scanning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60193518U true JPS60193518U (en) | 1985-12-23 |
Family
ID=30627580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8110984U Pending JPS60193518U (en) | 1984-05-30 | 1984-05-30 | optical scanning device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60193518U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10206771A (en) * | 1997-01-17 | 1998-08-07 | Xerox Corp | Raster output scanner |
| JPH1158825A (en) * | 1997-08-26 | 1999-03-02 | Nec Niigata Ltd | Electrophotographic printer with exposure position correction means |
-
1984
- 1984-05-30 JP JP8110984U patent/JPS60193518U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10206771A (en) * | 1997-01-17 | 1998-08-07 | Xerox Corp | Raster output scanner |
| JPH1158825A (en) * | 1997-08-26 | 1999-03-02 | Nec Niigata Ltd | Electrophotographic printer with exposure position correction means |
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