JPS62129123U - - Google Patents
Info
- Publication number
- JPS62129123U JPS62129123U JP1414586U JP1414586U JPS62129123U JP S62129123 U JPS62129123 U JP S62129123U JP 1414586 U JP1414586 U JP 1414586U JP 1414586 U JP1414586 U JP 1414586U JP S62129123 U JPS62129123 U JP S62129123U
- Authority
- JP
- Japan
- Prior art keywords
- optical pickup
- view
- holder
- set screw
- fixed
- 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 14
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
- Optical Head (AREA)
Description
第１図は本考案に係る光ピツクアツプの実施例
を示す分解斜視図、第２図は同上実施例の縦断面
図、第３図は従来一般に使用されている光ピツク
アツプ光学系の例を示す平面図、第４図は同上側
面図、第５図は同上光ピツクアツプ光学系に用い
られているフオーカシングデイテクタの正面図、
第６図は上記光ピツクアツプ光学系に用いられて
いるトラツキングデイテクタの正面図、第７図は
上記光ピツクアツプ光学系によるフオーカシング
誤差信号の検出原理の説明図、第８図は同じくト
ラツキング誤差信号の検出原理の説明図、第９図
は上記光ピツクアツプ光学系中の偏向素子の固定
構造の例を示す一部断面平面図、第１０図は同上
偏向素子の変形例を示す一部断面平面図である。
１８…偏向素子、２１…止めねじ、２２…ホル
ダ、２５…当て板。
Fig. 1 is an exploded perspective view showing an embodiment of the optical pickup according to the present invention, Fig. 2 is a longitudinal sectional view of the same embodiment, and Fig. 3 is a plan view showing an example of a conventionally commonly used optical pickup optical system. Figure 4 is a side view of the same as above, and Figure 5 is a front view of the focusing detector used in the optical pickup optical system as above.
FIG. 6 is a front view of the tracking detector used in the optical pickup optical system, FIG. 7 is an explanatory diagram of the principle of detection of a focusing error signal by the optical pickup optical system, and FIG. 8 is a tracking error signal as well. FIG. 9 is a partially sectional plan view showing an example of the fixing structure of the deflection element in the optical pickup optical system, and FIG. 10 is a partially sectional plan view showing a modification of the deflection element. It is. 18... Deflection element, 21... Set screw, 22... Holder, 25... Backing plate.
Claims (1)
プにおいて、上記偏光素子を、ホルダに止めねじ
で固定したことを特徴とする光ピツクアツプ。 ２ 偏向素子は、当て板の介在の下に、ホルダに
止めねじで固定した実用新案登録請求の範囲第１
項記載の光ピツクアツプ。[Claims for Utility Model Registration] 1. An optical pickup equipped with a polarizing element for changing an optical path, characterized in that the polarizing element is fixed to a holder with a set screw. 2. The deflection element is fixed to the holder with a set screw under the intervention of a backing plate.
Optical pickup as described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1414586U JPS62129123U (en) | 1986-02-03 | 1986-02-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1414586U JPS62129123U (en) | 1986-02-03 | 1986-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62129123U true JPS62129123U (en) | 1987-08-15 |
Family
ID=30803857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1414586U Pending JPS62129123U (en) | 1986-02-03 | 1986-02-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62129123U (en) |
-
1986
- 1986-02-03 JP JP1414586U patent/JPS62129123U/ja active Pending