JPS6183113U - - Google Patents
Info
- Publication number
- JPS6183113U JPS6183113U JP16610584U JP16610584U JPS6183113U JP S6183113 U JPS6183113 U JP S6183113U JP 16610584 U JP16610584 U JP 16610584U JP 16610584 U JP16610584 U JP 16610584U JP S6183113 U JPS6183113 U JP S6183113U
- Authority
- JP
- Japan
- Prior art keywords
- photo sensor
- optical
- center
- path changing
- pickup device
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Description
第１図は本考案に係るピツクアツプ装置を示す
図、第２図はフオトセンサを示す図、第３図は本
考案の要部を示す図、第４図は他の実施例を示す
図である。
３は偏光ビームスプリツタ（光路変更用素子）
、７は駆動回路、Ｓはフオトセンサ、Ｄは圧電素
子。
FIG. 1 is a diagram showing a pickup device according to the present invention, FIG. 2 is a diagram showing a photo sensor, FIG. 3 is a diagram showing essential parts of the present invention, and FIG. 4 is a diagram showing another embodiment. 3 is a polarizing beam splitter (optical path changing element)
, 7 is a drive circuit, S is a photo sensor, and D is a piezoelectric element.
Claims (1)
を光路変更用素子を利用してフオトセンサに導き
、前記フオトセンサより信号を得る構成とした光
学式ピツクアツプ装置であつて、 前記フオトセンサ上に於けるビームの中心と前
記フオトセンサの中心との位置づれを前記フオト
センサにて検出し、前記フオトセンサの検出出力
に基いて前記光路変更用素子を変位させる変位手
段を駆動することにより、前記フオトセンサとフ
オトセンサ上に於けるビームの位置調整を行う構
成とした光学式ピツクアツプ装置。[Claims for Utility Model Registration] An optical pickup device configured to guide a reflected beam or a transmitted beam from a disk to a photo sensor using an optical path changing element and obtain a signal from the photo sensor, the optical pickup device comprising: The photo sensor detects a positional deviation between the center of the beam and the center of the photo sensor with the photo sensor, and drives a displacement means that displaces the optical path changing element based on the detection output of the photo sensor. An optical pick-up device configured to adjust the position of the beam at the top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16610584U JPS6183113U (en) | 1984-11-01 | 1984-11-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16610584U JPS6183113U (en) | 1984-11-01 | 1984-11-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6183113U true JPS6183113U (en) | 1986-06-02 |
Family
ID=30723941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16610584U Pending JPS6183113U (en) | 1984-11-01 | 1984-11-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6183113U (en) |
-
1984
- 1984-11-01 JP JP16610584U patent/JPS6183113U/ja active Pending
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