JPS6336917U - - Google Patents
Info
- Publication number
- JPS6336917U JPS6336917U JP12794986U JP12794986U JPS6336917U JP S6336917 U JPS6336917 U JP S6336917U JP 12794986 U JP12794986 U JP 12794986U JP 12794986 U JP12794986 U JP 12794986U JP S6336917 U JPS6336917 U JP S6336917U
- Authority
- JP
- Japan
- Prior art keywords
- light beam
- emitted light
- head device
- separates
- information recording
- 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 6
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Head (AREA)
Description
第１図はこの考案の一実施例による光学ヘツド
装置を示す概要図、第２図は従来の光学ヘツド装
置を示す概要図である。
図において、１はレーザ光源、２は出射光束、
３は情報記録担体、４は集光レンズ系、６はビー
ムスプリツタ、７は反射光束、８は光検知器、９
は第１の位置調整手段、１１は第２の位置調整手
段である。なお、図中、同一符号は同一、又は相
当部分を示す。
FIG. 1 is a schematic diagram showing an optical head device according to an embodiment of this invention, and FIG. 2 is a schematic diagram showing a conventional optical head device. In the figure, 1 is a laser light source, 2 is an emitted light beam,
3 is an information recording carrier, 4 is a condensing lens system, 6 is a beam splitter, 7 is a reflected light beam, 8 is a photodetector, 9
11 is a first position adjustment means, and 11 is a second position adjustment means. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
集光させる集光レンズ系と、前記情報記録担体の
記録情報で変調された反射光束を前記出射光束と
分離するビームスプリツタと、前記反射光束を受
ける４分割された光検知器を有する光学ヘツド装
置において、前記レーザ光源を出射光束の光軸と
直角な平面内に位置調整する第１の位置調整手段
と、前記光検知器を前記反射光束の光軸方向に位
置調整する第２の位置調整手段とを具備したこと
を特徴とする光学ヘツド装置。 a condensing lens system that focuses the emitted light beam from the laser light source onto the information recording carrier; a beam splitter that separates the reflected light beam modulated by the information recorded on the information recording carrier from the output light beam; and a beam splitter that separates the reflected light beam from the emitted light beam. The optical head device includes a first position adjusting means for positioning the laser light source in a plane perpendicular to the optical axis of the emitted light beam; 1. An optical head device comprising: second position adjusting means for adjusting the position in the optical axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12794986U JPS6336917U (en) | 1986-08-22 | 1986-08-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12794986U JPS6336917U (en) | 1986-08-22 | 1986-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6336917U true JPS6336917U (en) | 1988-03-09 |
Family
ID=31023176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12794986U Pending JPS6336917U (en) | 1986-08-22 | 1986-08-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6336917U (en) |
-
1986
- 1986-08-22 JP JP12794986U patent/JPS6336917U/ja active Pending