JP2007171558A5 - - Google Patents
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- JP2007171558A5 JP2007171558A5 JP2005369176A JP2005369176A JP2007171558A5 JP 2007171558 A5 JP2007171558 A5 JP 2007171558A5 JP 2005369176 A JP2005369176 A JP 2005369176A JP 2005369176 A JP2005369176 A JP 2005369176A JP 2007171558 A5 JP2007171558 A5 JP 2007171558A5
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- JP
- Japan
- Prior art keywords
- light
- optical
- deflection
- mirror
- movable member
- Prior art date
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- 230000003287 optical effect Effects 0.000 claims 13
- 230000008602 contraction Effects 0.000 claims 1
- 238000003384 imaging method Methods 0.000 claims 1
Claims (4)
光を射出する光源と、
前記光源からの光を反射する偏向ミラー面を有する可動部材を前記所定の方向とほぼ直交する駆動軸回りに振動させて光を前記所定の方向に偏向させる偏向手段と、
レンズ面を有し、前記偏向ミラー面により偏向された偏向光を前記所定の面に結像する光学系とを備え、
前記可動部材を静止させた状態で前記偏向ミラー面により偏向される光の主光線を第１主光線としたとき、
前記第１主光線と前記光学系の光軸とが互いに平行で且つ離間するように前記可動部材と前記光学系とが配置され、
前記光学系が有するレンズ面のうち前記偏向手段に最も近い最近接レンズ面が屈折力を有している
ことを特徴とする光走査装置。 In an optical scanning device that scans light in a predetermined direction on a predetermined surface,
A light source that emits light;
And deflecting means for deflecting the light in the predetermined direction by vibrating the movable member having a deflection mirror surface for reflecting light from the light source to the drive axis that is substantially perpendicular to the predetermined direction,
It has a lens surface, and an optical system for imaging the deflected beam deflected by said deflection mirror surface to the predetermined surface,
When the chief ray of light deflected by the deflecting mirror surface with the movable member stationary is the first chief ray,
The movable member and the optical system are arranged such that the first principal ray and the optical axis of the optical system are parallel to and spaced apart from each other ,
Optical scanning apparatus characterized by closest nearest lens surface to said deflection means out of Relais lens surface on which the optical system Yusuke has a refractive power.
前記光学系はアークサインレンズ特性を有している請求項２記載の光走査装置。 The deflection means sine-vibrates the deflection mirror surface ,
The optical scanning device according to claim 2, wherein the optical system has an arc sine lens characteristic.
前記偏向手段は圧電アクチュエーターの伸縮動作により前記可動部材を前記所定の方向とほぼ直交する駆動軸回りに振動駆動する振動駆動部を有し、
前記ミラー駆動部から前記圧電アクチュエーターに与えられるミラー駆動信号に応じて前記可動部材が振動し、
前記ミラー駆動部はオフセット電圧を前記圧電アクチュエーターの全部または一部に与えることによって前記偏向光が走査される主走査断面において前記光源からの光が前記偏向ミラー面に入射する角度を制御して前記第１主光線を前記光軸に対して平行に調整する請求項１ないし３のいずれかに記載の光走査装置。 E Bei mirror driving section voltage generates the mirror drive signal varying periodically,
It said deflecting means have a vibration driving portion for vibrating driving the movable member to the drive axis that is substantially perpendicular to the predetermined direction by the expansion and contraction of the pressure electrostatic actuator,
It said movable member is vibrated in accordance with the mirror drive signal applied to said piezoelectric actuator from the mirror driving unit,
The mirror driving unit controls an angle at which light from the light source is incident on the deflection mirror surface in a main scanning section in which the deflection light is scanned by applying an offset voltage to all or a part of the piezoelectric actuator. The optical scanning device according to claim 1 , wherein the first principal ray is adjusted in parallel to the optical axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005369176A JP4792960B2 (en) | 2005-12-22 | 2005-12-22 | Optical scanning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005369176A JP4792960B2 (en) | 2005-12-22 | 2005-12-22 | Optical scanning device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007171558A JP2007171558A (en) | 2007-07-05 |
| JP2007171558A5 true JP2007171558A5 (en) | 2009-01-29 |
| JP4792960B2 JP4792960B2 (en) | 2011-10-12 |
Family
ID=38298202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005369176A Expired - Fee Related JP4792960B2 (en) | 2005-12-22 | 2005-12-22 | Optical scanning device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4792960B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5517550B2 (en) * | 2008-11-13 | 2014-06-11 | キヤノン株式会社 | Optical scanning device and image forming apparatus using the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6333060A (en) * | 1986-07-25 | 1988-02-12 | Konica Corp | Picture information reader |
| JPH09236764A (en) * | 1996-02-28 | 1997-09-09 | Brother Ind Ltd | Optical scanning device |
-
2005
- 2005-12-22 JP JP2005369176A patent/JP4792960B2/en not_active Expired - Fee Related
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