JPH0250819U - - Google Patents
Info
- Publication number
- JPH0250819U JPH0250819U JP12806388U JP12806388U JPH0250819U JP H0250819 U JPH0250819 U JP H0250819U JP 12806388 U JP12806388 U JP 12806388U JP 12806388 U JP12806388 U JP 12806388U JP H0250819 U JPH0250819 U JP H0250819U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- mounting hole
- support base
- optical disk
- lens support
- 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
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 2
Landscapes
- Optical Head (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Description
第１図及び第２図は本考案の一実施例を示し、
第１図は光デイスク用ピツクアツプの平面図、第
２図は第１図のＡ−Ａ線断面図、第３図は従来例
を示す要部の部分断面図である。
１……光デイスクピツクアツプ、２……メイン
ブロツク、８……対物レンズ支持基台、９……対
物レンズホルダ、１４……対物レンズ、１５……
レーザダイオード、２０……フオーカスエラー検
出用ホトダイオード、２１……トラツキングエラ
ー検出用ホトダイオード、２２，２３，２４……
傾斜調整孔、２５……止めねじ、２６……取付孔
、２８……樹脂。
1 and 2 show an embodiment of the present invention,
FIG. 1 is a plan view of an optical disk pickup, FIG. 2 is a cross-sectional view taken along the line A--A in FIG. 1, and FIG. 3 is a partial cross-sectional view of essential parts of a conventional example. DESCRIPTION OF SYMBOLS 1... Optical disk pickup, 2... Main block, 8... Objective lens support base, 9... Objective lens holder, 14... Objective lens, 15...
Laser diode, 20...Photodiode for focusing error detection, 21...Photodiode for tracking error detection, 22, 23, 24...
Inclination adjustment hole, 25... Set screw, 26... Mounting hole, 28... Resin.
Claims (1)
対物レンズ支持基台の取付孔を開穿し、該取付孔
に前記対物レンズ支持基台を遊嵌して光軸の角度
を調整し、該取付孔の間隙に樹脂を充填して固定
したことを特徴とする光デイスク用ピツクアツプ
の光軸調整装置。 A mounting hole for the objective lens support base is drilled in the main block of the optical disk pickup, and the objective lens support base is loosely fitted into the mounting hole to adjust the angle of the optical axis. An optical axis adjustment device for an optical disk pick-up characterized by being filled with resin and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12806388U JPH0250819U (en) | 1988-09-30 | 1988-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12806388U JPH0250819U (en) | 1988-09-30 | 1988-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0250819U true JPH0250819U (en) | 1990-04-10 |
Family
ID=31381051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12806388U Pending JPH0250819U (en) | 1988-09-30 | 1988-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0250819U (en) |
-
1988
- 1988-09-30 JP JP12806388U patent/JPH0250819U/ja active Pending