JPH01162116U - - Google Patents
Info
- Publication number
- JPH01162116U JPH01162116U JP5774288U JP5774288U JPH01162116U JP H01162116 U JPH01162116 U JP H01162116U JP 5774288 U JP5774288 U JP 5774288U JP 5774288 U JP5774288 U JP 5774288U JP H01162116 U JPH01162116 U JP H01162116U
- Authority
- JP
- Japan
- Prior art keywords
- optical head
- lens
- head
- air flow
- cover
- 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 8
- 239000000428 dust Substances 0.000 claims 1
Landscapes
- Optical Head (AREA)
Description
第１図は本考案による光学式ヘツドの一実施例
を示す斜視図、第２図は光学式ヘツドの配置の状
態を示す図、第３図は第１図の光学式ヘツドの平
面図である。
１……カバー、２……ヘツドタオス、３……光
学式ヘツド、４……光学式記録媒体、５……回転
軸、６……空気流、７……レンズ、８……集風壁
。
FIG. 1 is a perspective view showing an embodiment of the optical head according to the present invention, FIG. 2 is a view showing the arrangement of the optical head, and FIG. 3 is a plan view of the optical head shown in FIG. 1. . DESCRIPTION OF SYMBOLS 1... Cover, 2... Head taos, 3... Optical head, 4... Optical recording medium, 5... Rotating shaft, 6... Air flow, 7... Lens, 8... Wind collection wall.
Claims (1)
面に、レンズ部に向かつて空気流通路が狭くなる
ような構造の集風壁を設け、レンズ表面の空気流
を高速にすることにより光学式ヘツドのレンズ表
面の塵埃を除去するように構成したことを特徴と
する光学式ヘツド。 A wind collection wall is installed on the top of the cover of the head of the optical head so that the airflow path becomes narrower toward the lens part.By increasing the speed of the air flow on the lens surface, dust can be removed from the surface of the lens of the optical head. An optical head characterized in that it is configured to remove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5774288U JPH01162116U (en) | 1988-04-28 | 1988-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5774288U JPH01162116U (en) | 1988-04-28 | 1988-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01162116U true JPH01162116U (en) | 1989-11-10 |
Family
ID=31283586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5774288U Pending JPH01162116U (en) | 1988-04-28 | 1988-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01162116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006098361A1 (en) * | 2005-03-17 | 2006-09-21 | Matsushita Electric Industrial Co., Ltd. | Optical pickup device and optical disc device |
-
1988
- 1988-04-28 JP JP5774288U patent/JPH01162116U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006098361A1 (en) * | 2005-03-17 | 2006-09-21 | Matsushita Electric Industrial Co., Ltd. | Optical pickup device and optical disc device |
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