JPH0268322U - - Google Patents
Info
- Publication number
- JPH0268322U JPH0268322U JP14656088U JP14656088U JPH0268322U JP H0268322 U JPH0268322 U JP H0268322U JP 14656088 U JP14656088 U JP 14656088U JP 14656088 U JP14656088 U JP 14656088U JP H0268322 U JPH0268322 U JP H0268322U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- frame
- transparent portion
- pickup device
- optical pickup
- 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 6
- 239000000428 dust Substances 0.000 claims 2
- 210000003644 lens cell Anatomy 0.000 description 3
Landscapes
- Optical Head (AREA)
Description
第１図は本考案の一実施例に係る対物レンズ移
動機構を示す斜視図、第２図は対物レンズカバー
の斜視図、第３図は対物レンズカバーおよび対物
レンズセルの垂直断面図、第４図は対物レンズカ
バーの他の実施例を示す対物レンズカバーおよび
対物レンズセルの垂直断面図である。
１…対物レンズセル、１ｂ…溝、２…レンズホ
ルダ、３…対物レンズカバー、３ａ…足、３ｂ，
３ｄ…導電層、３ｃ…隆起部、４，５…フオーカ
スボビン、６，７…トラツクボビン、８，９，１
０，１１…ヨーク、１２…ベース、１４…マグネ
ツト。
FIG. 1 is a perspective view showing an objective lens moving mechanism according to an embodiment of the present invention, FIG. 2 is a perspective view of an objective lens cover, FIG. 3 is a vertical sectional view of the objective lens cover and objective lens cell, and FIG. The figure is a vertical sectional view of an objective lens cover and an objective lens cell showing another embodiment of the objective lens cover. DESCRIPTION OF SYMBOLS 1...Objective lens cell, 1b...Groove, 2...Lens holder, 3...Objective lens cover, 3a...Legs, 3b,
3d... Conductive layer, 3c... Protrusion, 4, 5... Focus bobbin, 6, 7... Track bobbin, 8, 9, 1
0, 11...Yoke, 12...Base, 14...Magnet.
Claims (1)
ピツクアツプ装置の対物レンズ表面を覆う枠体と
、その枠体を上記対物レンズに対して着脱自在に
固定する係止機構と、上記対物レンズからのレー
ザビームを透過する透明部分と、その透明部分以
外の表面に形成され高電圧を印加して塵埃を吸着
させる導電層とを備えていることを特徴とする光
ピツクアツプ装置の対物レンズカバー。 (2) 光デイスクに対して情報を記録再生する光
ピツクアツプ装置の対物レンズ表面を覆う枠体と
、その枠体を上記対物レンズに対して着脱自在に
固定する係止機構と、上記対物レンズからのレー
ザビームを透過する透明部分と、その透明部分の
表面に形成され電気的に接地して塵埃の付着を減
少させる透明な導電層とを備えていることを特徴
とする光ピツクアツプ装置の対物レンズカバー。[Scope of Claim for Utility Model Registration] (1) A frame that covers the surface of an objective lens of an optical pickup device that records and reproduces information on an optical disk, and a mechanism that detachably fixes the frame to the objective lens. An optical device comprising: a stop mechanism; a transparent portion that transmits the laser beam from the objective lens; and a conductive layer formed on a surface other than the transparent portion to which a high voltage is applied to attract dust. Objective lens cover for pick-up equipment. (2) a frame that covers the surface of an objective lens of an optical pickup device that records and reproduces information on an optical disk; a locking mechanism that detachably fixes the frame to the objective lens; An objective lens for an optical pickup device, comprising: a transparent portion that transmits a laser beam; and a transparent conductive layer formed on the surface of the transparent portion and electrically grounded to reduce dust adhesion. cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14656088U JPH0268322U (en) | 1988-11-11 | 1988-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14656088U JPH0268322U (en) | 1988-11-11 | 1988-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0268322U true JPH0268322U (en) | 1990-05-23 |
Family
ID=31416166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14656088U Pending JPH0268322U (en) | 1988-11-11 | 1988-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0268322U (en) |
-
1988
- 1988-11-11 JP JP14656088U patent/JPH0268322U/ja active Pending
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