JPS63146817U - - Google Patents
Info
- Publication number
- JPS63146817U JPS63146817U JP3974287U JP3974287U JPS63146817U JP S63146817 U JPS63146817 U JP S63146817U JP 3974287 U JP3974287 U JP 3974287U JP 3974287 U JP3974287 U JP 3974287U JP S63146817 U JPS63146817 U JP S63146817U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- peltier element
- optical system
- light beam
- temperature
- 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
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000011810 insulating material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
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説明するための図
、第２図は別実施例を説明するための図、第３図
は光走査と、本考案による解決課題を説明するた
めの図である。
２２……シリンドリカルレンズ、４０……ｆθ
レンズ（アナモフイツクなレンズ系）、３２……
偏向手段ハウジング、７０……光学系ハウジング
、８０……ペルチエ素子、７４……感熱素子。
Fig. 1 is a diagram for explaining one embodiment of the present invention, Fig. 2 is a diagram for explaining another embodiment, and Fig. 3 is a diagram for explaining optical scanning and the problem solved by the present invention. It is. 22...Cylindrical lens, 40...fθ
Lens (anamorphic lens type), 32...
Deflection means housing, 70...optical system housing, 80...Peltier element, 74...thermal element.
Claims (1)
ズにより、偏向面上に、主走査方向に対応する方
向に長い、線状に結像させ、偏向面による偏向光
束をアナモフイツクなレンズ系により走査面上に
スポツト状に結像させて走査面を光走査する装置
であつて、 上記シリンドリカルレンズ、アナモフイツクな
レンズ系を保持し、自然上昇温度の上限以上の温
度ＴＡを基準として設計された光学系ハウジング
と、 ペルチエ素子を用いて上記光学系ハウジングの
温度をＴＡに温度制御する温度制御手段とを有し
、 この温度制御手段のペルチエ素子を、上記光学
系ハウジングと、この光学系ハウジングに断熱材
を介して係合する偏向手段ハウジングとの間に介
設し、上記ペルチエ素子の発熱側を光学系ハウジ
ングに接続するとともに、吸熱側を偏向手段ハウ
ジングに接続させたことを特徴とする、光走査装
置。[Claims for Utility Model Registration] The parallel light beam from the light source side is formed into a long linear image in the direction corresponding to the main scanning direction on the deflection surface by a cylindrical lens, and the light beam deflected by the deflection surface is converted into an anamorphic light beam. A device that optically scans the scanning surface by forming a spot image on the scanning surface using a lens system, which has the above-mentioned cylindrical lens and anamorphic lens system, and is designed with a temperature TA higher than the upper limit of the natural temperature rise as a reference. and temperature control means for controlling the temperature of the optical system housing to TA using a Peltier element, and the Peltier element of the temperature control means is connected to the optical system housing and the optical system. The Peltier element is interposed between the housing and the deflection means housing that engages with the housing via a heat insulating material, and the heat generating side of the Peltier element is connected to the optical system housing, and the heat absorption side is connected to the deflection means housing. An optical scanning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3974287U JPS63146817U (en) | 1987-03-18 | 1987-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3974287U JPS63146817U (en) | 1987-03-18 | 1987-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63146817U true JPS63146817U (en) | 1988-09-28 |
Family
ID=30853196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3974287U Pending JPS63146817U (en) | 1987-03-18 | 1987-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63146817U (en) |
-
1987
- 1987-03-18 JP JP3974287U patent/JPS63146817U/ja active Pending
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