JPS5963758U - optical head - Google Patents
optical headInfo
- Publication number
- JPS5963758U JPS5963758U JP15798182U JP15798182U JPS5963758U JP S5963758 U JPS5963758 U JP S5963758U JP 15798182 U JP15798182 U JP 15798182U JP 15798182 U JP15798182 U JP 15798182U JP S5963758 U JPS5963758 U JP S5963758U
- Authority
- JP
- Japan
- Prior art keywords
- lens holding
- frame body
- lens
- focusing
- focusing lens
- 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.)
- Granted
Links
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の光学ヘッドの一例を示す縦断面図、笹２
図は本考案の第１の実施例を示す一部断面図、第３図は
本考案の第２の実施例を示す一部断面図である。
−
１・・・・・・レンズ保持筒、２・・・・・・光ビーム
、３・・・・・・集束レンズ、４・・・・・・枠体、５
ａ、 ５ｂ・・・・・・弾性体、６・・・・・・ソレ
ノイドコイル、７・・・・・・電磁ヨーク、８・・・・
・・磁石、１０・・・・・・電磁体、１２・・・・・・
反射ミラ一体、１３・・・・・・支持体、１９・・・・
・・固定体、Ａ・・・・・・情報媒体。Figure 1 is a longitudinal sectional view showing an example of a conventional optical head.
The figure is a partially sectional view showing the first embodiment of the present invention, and FIG. 3 is a partially sectional view showing the second embodiment of the present invention.
- 1... Lens holding tube, 2... Light beam, 3... Focusing lens, 4... Frame, 5
a, 5b...Elastic body, 6...Solenoid coil, 7...Electromagnetic yoke, 8...
...Magnet, 10...Electromagnetic body, 12...
Reflective mirror integrated, 13...Support, 19...
...Fixed body, A... Information medium.
Claims (1)
定したレンズ保持筒１の上下部分を、このレンズ保持筒
１が前記集束レンズ３の光軸方向に移動可能に、弾性体
５ａ、５ｂにて枠体４に支承し、この枠体４を支持体１
３に、前記情報媒体Ａ面と平行なトラックアクセス方向
に移動可能に設け、補記支持体１３に、前記レンズ保持
筒１に設けたソレノイドコイル６部分に対向する磁石８
及び電磁ヨ＝り７等からなる電磁体１０を固定し、前記
レンズ保持筒１の上下部分に設けた弾性体５ａ、５ｂ間
に、前記枠体４に設けた光源から発せられる光ビーム２
を前記集束レンズ３方向に偏向させる反射ミラ一体１２
を、前記枠体４の徊部から内方へ延出した固定体１９に
設けたことを特徴とする光学ヘッド。The upper and lower parts of a lens holding tube 1 to which a focusing lens 3 for focusing the light beam 2 on the information medium A is fixed are attached to elastic bodies 5a and 5b so that the lens holding tube 1 can move in the optical axis direction of the focusing lens 3. The frame body 4 is supported on the support body 1.
3, a magnet 8 is provided movably in the track access direction parallel to the information medium surface A, and is provided on the supplementary support 13 and faces the solenoid coil 6 portion provided on the lens holding cylinder 1.
A light beam 2 emitted from a light source provided in the frame body 4 is placed between the elastic bodies 5a and 5b provided on the upper and lower parts of the lens holding cylinder 1.
an integral reflection mirror 12 that deflects the light in the direction of the focusing lens 3;
is provided on a fixed body 19 that extends inward from a side part of the frame body 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15798182U JPS5963758U (en) | 1982-10-19 | 1982-10-19 | optical head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15798182U JPS5963758U (en) | 1982-10-19 | 1982-10-19 | optical head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5963758U true JPS5963758U (en) | 1984-04-26 |
| JPS6312412Y2 JPS6312412Y2 (en) | 1988-04-09 |
Family
ID=30348149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15798182U Granted JPS5963758U (en) | 1982-10-19 | 1982-10-19 | optical head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5963758U (en) |
-
1982
- 1982-10-19 JP JP15798182U patent/JPS5963758U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6312412Y2 (en) | 1988-04-09 |
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