JPH02144185U - - Google Patents
Info
- Publication number
- JPH02144185U JPH02144185U JP5123089U JP5123089U JPH02144185U JP H02144185 U JPH02144185 U JP H02144185U JP 5123089 U JP5123089 U JP 5123089U JP 5123089 U JP5123089 U JP 5123089U JP H02144185 U JPH02144185 U JP H02144185U
- Authority
- JP
- Japan
- Prior art keywords
- cleaning
- objective lens
- area
- light
- reproducing
- 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
- 238000004140 cleaning Methods 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000011109 contamination Methods 0.000 claims description 2
- 230000002452 interceptive effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 1
Description
第１図〜第５図は本考案の一実施例図を示す図
、第１図は構成を示すの斜視図、第２図は第１図
の主要部を抽出して示す側面図、第３図は対物レ
ンズ表面の汚れ具合モニター手段の構成を示す図
、第４図は外部スケールの平面図、第５図ａ，ｂ
，ｃは動作説明用のフロー図である。第６図は本
考案の他の実施例の主要部を示す図である。
１……デイスク駆動モータ、２……デイスク、
３……光学式ピツクアツプ、Ａ３……クリーニン
グ領域、１０……クリーニングユニツト、１１…
…弾性体、１２……クリーニング部材、２０……
ミラーユニツト。
Figures 1 to 5 are views showing one embodiment of the present invention, Figure 1 is a perspective view showing the configuration, Figure 2 is a side view showing the main parts of Figure 1, and Figure 3 is a side view showing the main parts of Figure 1. The figure shows the configuration of the means for monitoring the degree of contamination on the surface of the objective lens, Figure 4 is a plan view of the external scale, and Figures 5 a and b
, c is a flow diagram for explaining the operation. FIG. 6 is a diagram showing the main parts of another embodiment of the present invention. 1... Disc drive motor, 2... Disc,
3...Optical pickup, A3...Cleaning area, 10...Cleaning unit, 11...
...Elastic body, 12...Cleaning member, 20...
mirror unit.
Claims (1)
の外側のデイスク半径方向延長線上に設けられた
クリーニング領域と、このクリーニング領域内に
光学式ピツクアツプの対物レンズ表面に当接可能
な如く配設されたクリーニング部材と、このクリ
ーニング部材に対してクリーニング時において前
記クリーニング領域内へ導かれた光学式ピツクア
ツプの対物レンズ表面を接触させて清掃する手段
とを具備したことを特徴とする光学式情報記録再
性装置。 (2) クリーニング領域内に光学式ピツクアツプ
における対物レンズと対向可能な如く反射鏡を設
け、上記対物レンズ表面のクリーニング後におい
て、光源からの光を上記対物レンズを通して前記
反射鏡に照射し、その反射光に基づいて上記対物
レンズの汚れの度合いを測定する手段を備えてい
ることを特徴とする請求項１に記載の光学式情報
記録再性装置。 (3) 所定のクリーニング操作を行なつても対物
レンズの汚れを許容限度内に収め得ない場合にお
いて、記録再生機能に支障をきたすおそれがある
旨の表示または告知を行なう手段を備えているこ
とを特徴とする請求項１に記載の光学式情報記録
再性装置。[Claims for Utility Model Registration] (1) A cleaning area provided on an extension line in the radial direction of the disk outside the recording/reproducing area of the disk-shaped recording medium, and a cleaning area within this cleaning area that comes into contact with the surface of the objective lens of the optical pickup. The present invention is characterized by comprising a cleaning member disposed as possible, and means for cleaning the cleaning member by bringing the surface of the objective lens of the optical pickup guided into the cleaning area into contact with the cleaning member during cleaning. Optical information recording and reproducing device. (2) A reflecting mirror is provided in the cleaning area so as to be able to face the objective lens in the optical pickup, and after cleaning the surface of the objective lens, light from a light source is irradiated onto the reflecting mirror through the objective lens, and the light is reflected. 2. The optical information recording and reproducing apparatus according to claim 1, further comprising means for measuring the degree of contamination of said objective lens based on light. (3) In the event that the dirt on the objective lens cannot be brought within the permissible limit even after performing the specified cleaning operation, a means shall be provided to display or notify that there is a risk of interfering with the recording and reproducing function. The optical information recording and reproducing device according to claim 1, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5123089U JPH02144185U (en) | 1989-04-28 | 1989-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5123089U JPH02144185U (en) | 1989-04-28 | 1989-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02144185U true JPH02144185U (en) | 1990-12-06 |
Family
ID=31570477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5123089U Pending JPH02144185U (en) | 1989-04-28 | 1989-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02144185U (en) |
-
1989
- 1989-04-28 JP JP5123089U patent/JPH02144185U/ja active Pending
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