JPS62187420U - - Google Patents
Info
- Publication number
- JPS62187420U JPS62187420U JP7358586U JP7358586U JPS62187420U JP S62187420 U JPS62187420 U JP S62187420U JP 7358586 U JP7358586 U JP 7358586U JP 7358586 U JP7358586 U JP 7358586U JP S62187420 U JPS62187420 U JP S62187420U
- Authority
- JP
- Japan
- Prior art keywords
- holder
- base
- diffraction grating
- semiconductor laser
- adjustment section
- 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
- 239000004065 semiconductor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
- 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式情報
記録再生装置の光学ヘツドを示す側断面図、第２
図は従来の光学式情報記録再生装置の光学ヘツド
示す側断面図、第３図、第４図は光学ヘツドの３
ビームトラツク制御方式の原理図を示す。
図において、１は半導体レーザー、２は回折格
子、７はホルダー、８は偏心ピン、１０は基台、
１２は保持板である。尚、図中同一符号は同一又
は相当部分を示す。
FIG. 1 is a side sectional view showing an optical head of an optical information recording/reproducing apparatus according to an embodiment of this invention;
The figure is a side sectional view showing an optical head of a conventional optical information recording/reproducing device.
The principle diagram of the beam track control method is shown. In the figure, 1 is a semiconductor laser, 2 is a diffraction grating, 7 is a holder, 8 is an eccentric pin, 10 is a base,
12 is a holding plate. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
する回折格子と、この回折格子を保持するホルダ
ーと、このホルダーを回転調整する調整部と、前
記半導体レーザー、回折格子、ホルダー、調整部
が固定される基台とを有する光学式情報記録再生
装置の光学ヘツドにおいて、前記基台に半導体レ
ーザーと調整部とを同時に保持できる保持板を設
けたことを特徴とする光学式情報再生装置の光学
ヘツド。 A diffraction grating that divides laser light from a semiconductor laser into a plurality of parts, a holder that holds the diffraction grating, an adjustment section that rotates and adjusts the holder, and a base to which the semiconductor laser, the diffraction grating, the holder, and the adjustment section are fixed. What is claimed is: 1. An optical head for an optical information recording and reproducing apparatus having a base, wherein the base is provided with a holding plate capable of simultaneously holding a semiconductor laser and an adjustment section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7358586U JPS62187420U (en) | 1986-05-16 | 1986-05-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7358586U JPS62187420U (en) | 1986-05-16 | 1986-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62187420U true JPS62187420U (en) | 1987-11-28 |
Family
ID=30918052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7358586U Pending JPS62187420U (en) | 1986-05-16 | 1986-05-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62187420U (en) |
-
1986
- 1986-05-16 JP JP7358586U patent/JPS62187420U/ja active Pending
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