JPS61153123U - - Google Patents
Info
- Publication number
- JPS61153123U JPS61153123U JP3667985U JP3667985U JPS61153123U JP S61153123 U JPS61153123 U JP S61153123U JP 3667985 U JP3667985 U JP 3667985U JP 3667985 U JP3667985 U JP 3667985U JP S61153123 U JPS61153123 U JP S61153123U
- Authority
- JP
- Japan
- Prior art keywords
- holding frame
- fixedly held
- clamping member
- pick
- lens
- 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.)
- Granted
Links
- 239000004065 semiconductor Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
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図は本考案に係る装置の第１の実施例を示
す断面説明図、第２図ａ，ｂは第１図の要部の説
明図、第３図は第２図ａにて示す要部の斜視図、
第４図ａ，ｂ，ｃ，ｄ，ｅ、第５図は第１図にて
示す装置の組立、作用説明図、第６図は本考案に
係る装置の第２の実施例を示す断面説明図、第７
図ａ，ｂは本考案に係る装置の第３の実施例を示
す説明図、第８図、第９図は従来技術の説明図で
ある。
３１……半導体レーザ素子、３２……コリメー
タレンズ、３３……調整環、３４……止めねじ、
３５……締付け環、３６……保持枠、４４……固
定力（押圧力）作用点。
FIG. 1 is an explanatory cross-sectional view showing the first embodiment of the device according to the present invention, FIGS. 2 a and b are explanatory views of the main parts of FIG. 1, and FIG. perspective view of the section;
Figures 4a, b, c, d, and e; Figure 5 are explanatory diagrams of the assembly and operation of the device shown in Figure 1; Figure 6 is a cross-sectional diagram showing a second embodiment of the device according to the present invention. Figure, 7th
Figures a and b are explanatory views showing a third embodiment of the device according to the present invention, and Figs. 8 and 9 are explanatory views of the prior art. 31... Semiconductor laser element, 32... Collimator lens, 33... Adjustment ring, 34... Set screw,
35... Tightening ring, 36... Holding frame, 44... Point of application of fixing force (pressing force).
Claims (1)
なるピツクアツプ等における光源装置において、
前記レンズを、前記保持枠の軸線方向に移動自在
にして任意移動位置にて固定具を介して固定自在
に内挿された調整部材内に固定保持し、前記保持
枠内周面と調整部材外周面との間に環状の締付け
部材を嵌装するとともに、前記締付け部材におけ
る前記固定具作用点部との対向面側に適宜幅の光
軸方向への切欠き部を形設して構成したことを特
徴とするピツクアツプ等における光源装置。 In a light source device for a pick-up, etc., in which a semiconductor laser and a lens are fixedly held in a holding frame,
The lens is movable in the axial direction of the holding frame and is fixedly held in an adjustment member that is fixedly inserted through a fixture at an arbitrary movement position, and the inner peripheral surface of the holding frame and the outer periphery of the adjustment member are fixedly held. An annular tightening member is fitted between the clamping member and the clamping member, and a notch having an appropriate width in the optical axis direction is formed on the side of the clamping member facing the fixing device action point. A light source device for a pick-up, etc., characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3667985U JPH045053Y2 (en) | 1985-03-14 | 1985-03-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3667985U JPH045053Y2 (en) | 1985-03-14 | 1985-03-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61153123U true JPS61153123U (en) | 1986-09-22 |
| JPH045053Y2 JPH045053Y2 (en) | 1992-02-13 |
Family
ID=30542086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3667985U Expired JPH045053Y2 (en) | 1985-03-14 | 1985-03-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH045053Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005003820A2 (en) * | 2003-07-08 | 2005-01-13 | Matsushita Electric Ind Co Ltd | Beam shaping optical device, optical head, and optical information medium drive device |
-
1985
- 1985-03-14 JP JP3667985U patent/JPH045053Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005003820A2 (en) * | 2003-07-08 | 2005-01-13 | Matsushita Electric Ind Co Ltd | Beam shaping optical device, optical head, and optical information medium drive device |
| WO2005003820A3 (en) * | 2003-07-08 | 2005-03-03 | Matsushita Electric Ind Co Ltd | Beam shaping optical device, optical head, and optical information medium drive device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH045053Y2 (en) | 1992-02-13 |