JPS6273321U - - Google Patents
Info
- Publication number
- JPS6273321U JPS6273321U JP16388485U JP16388485U JPS6273321U JP S6273321 U JPS6273321 U JP S6273321U JP 16388485 U JP16388485 U JP 16388485U JP 16388485 U JP16388485 U JP 16388485U JP S6273321 U JPS6273321 U JP S6273321U
- Authority
- JP
- Japan
- Prior art keywords
- head device
- optical head
- view
- reproduces
- records
- 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 10
- 238000010586 diagram Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Description
第１図ａ〜ｃはこの考案の一実施例による光ヘ
ツド装置における光学部品の取り付け状態を示す
平面図、側面図および斜視図、第２図は従来の光
ヘツド装置の概略図、第３図は従来の光ヘツド装
置の要部斜視図、第４図ａ〜ｃは従来の光ヘツド
装置の光学部品の位置決めのための当て面の拡大
図である。
１は半導体レーザ、２はコリメートレンズ、３
は回折格子、４は偏光子、５は偏光ビームスプリ
ツタ、６はミラー、７は対物レンズ、８はデイス
ク、９はピツト、１０はマグネツト、１１は駆動
装置、１２は偏光ビームスプリツタ、１３は収束
レンズ、１４はシリンドリカルレンズ、１５はサ
ーボ用光検知器、１６は収束レンズ、１７は検光
子、１８は主信号用光検知器、２６はベース、２
７は円柱シヤフト。なお、図中、同一符号は同一
または相当部分を示す。
1A to 1C are a plan view, a side view, and a perspective view showing how optical components are installed in an optical head device according to an embodiment of the invention; FIG. 2 is a schematic diagram of a conventional optical head device; FIG. 3 is a schematic view of a conventional optical head device; 4 is a perspective view of a main part of a conventional optical head device, and FIGS. 4a to 4c are enlarged views of a contact surface for positioning optical components of the conventional optical head device. 1 is a semiconductor laser, 2 is a collimating lens, 3
1 is a diffraction grating, 4 is a polarizer, 5 is a polarizing beam splitter, 6 is a mirror, 7 is an objective lens, 8 is a disk, 9 is a pit, 10 is a magnet, 11 is a driving device, 12 is a polarizing beam splitter, 13 14 is a converging lens, 14 is a cylindrical lens, 15 is a servo photodetector, 16 is a converging lens, 17 is an analyzer, 18 is a main signal photodetector, 26 is a base, 2
7 is a cylindrical shaft. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
号の記録、再生および消去を行う光ヘツド装置に
おいて、光学部品の位置決めのための複数の円柱
シヤフトを筐体に穿設した穴に嵌合して設けたこ
とを特徴とする光ヘツド装置。 In an optical head device that records, reproduces, and erases information signals on an information recording disk using laser light, a plurality of cylindrical shafts for positioning optical components are fitted into holes drilled in the housing. An optical head device characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16388485U JPS6273321U (en) | 1985-10-24 | 1985-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16388485U JPS6273321U (en) | 1985-10-24 | 1985-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6273321U true JPS6273321U (en) | 1987-05-11 |
Family
ID=31092495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16388485U Pending JPS6273321U (en) | 1985-10-24 | 1985-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6273321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015190281A (en) * | 2014-03-29 | 2015-11-02 | 積水樹脂株式会社 | Column |
-
1985
- 1985-10-24 JP JP16388485U patent/JPS6273321U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015190281A (en) * | 2014-03-29 | 2015-11-02 | 積水樹脂株式会社 | Column |
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