JPH0448511U - - Google Patents
Info
- Publication number
- JPH0448511U JPH0448511U JP9090190U JP9090190U JPH0448511U JP H0448511 U JPH0448511 U JP H0448511U JP 9090190 U JP9090190 U JP 9090190U JP 9090190 U JP9090190 U JP 9090190U JP H0448511 U JPH0448511 U JP H0448511U
- Authority
- JP
- Japan
- Prior art keywords
- optical device
- polygon mirror
- housing
- rotating polygon
- laser optical
- 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 3
- 108091008695 photoreceptors Proteins 0.000 claims 1
- 239000011521 glass Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Mechanical Optical Scanning Systems (AREA)
Description
第１図は本考案の一実施例の斜視図、第２図は
従来のレーザー光学装置の防音構造の斜視図、第
３図ないし第５図は第２図の例において防音ガラ
スによる生ずる不具合を示す拡大部分断面図であ
る。
１……レーザー発振素子、２……コリメートレ
ンズ、３……シリンドリカルレンズ、４……回転
多面鏡、５ａ，５ｂ……ｆθレンズ、６……感光
体、８……防音カバー、９……防音ガラス、１０
……防音構造体、１１……リブ状の凸部、１２…
…カバー１２、Ｌ……レーザー光。
Fig. 1 is a perspective view of an embodiment of the present invention, Fig. 2 is a perspective view of the soundproof structure of a conventional laser optical device, and Figs. 3 to 5 show problems caused by the soundproof glass in the example of Fig. 2. FIG. 1... Laser oscillation element, 2... Collimating lens, 3... Cylindrical lens, 4... Rotating polygon mirror, 5a, 5b... fθ lens, 6... Photoconductor, 8... Soundproofing cover, 9... Soundproofing glass, 10
...Soundproof structure, 11...Rib-shaped convex portion, 12...
...Cover 12, L...Laser light.
Claims (1)
リカルレンズまたはコリメートレンズから上記回
転多面鏡と感光体との間に位置するｆθレンズま
での間を筺体内に密閉したことを特徴とするレー
ザー光学装置。 (2) 上記筺体内面を黒色にしてなる請求項１の
レーザー光学装置。[Claims for Utility Model Registration] (1) The space from the cylindrical lens or collimating lens located between the light source and the rotating polygon mirror to the fθ lens located between the rotating polygon mirror and the photoreceptor is sealed within the housing. A laser optical device characterized by: (2) The laser optical device according to claim 1, wherein the inner surface of the housing is black.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9090190U JPH0448511U (en) | 1990-08-29 | 1990-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9090190U JPH0448511U (en) | 1990-08-29 | 1990-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0448511U true JPH0448511U (en) | 1992-04-24 |
Family
ID=31826052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9090190U Pending JPH0448511U (en) | 1990-08-29 | 1990-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0448511U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002277786A (en) * | 2001-03-22 | 2002-09-25 | Sharp Corp | Optical scanner |
-
1990
- 1990-08-29 JP JP9090190U patent/JPH0448511U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002277786A (en) * | 2001-03-22 | 2002-09-25 | Sharp Corp | Optical scanner |