JPS63164808U - - Google Patents
Info
- Publication number
- JPS63164808U JPS63164808U JP5564487U JP5564487U JPS63164808U JP S63164808 U JPS63164808 U JP S63164808U JP 5564487 U JP5564487 U JP 5564487U JP 5564487 U JP5564487 U JP 5564487U JP S63164808 U JPS63164808 U JP S63164808U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- holding member
- hole
- objective lens
- view
- 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 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案に係かるピツクアツプ装置の一
例を示す図、第２図ａ及びｂは本考案の一実施例
を示す断面図及びシヤフトの斜視図、第３図ａ及
びｂは同じく他の実施例を示す断面図及びシヤフ
トの斜視図、第４図ａ及びｂは更に他の実施例を
示す断面図及びシヤフトの斜視図、第５図ａ，ｂ
及びｃは実施例及び従来例の測定結果を示す波形
図、第６図ａ及びｂは従来例の断面図及びシヤフ
トの斜視図である。
１……保持部材、２……貫通孔、７……対物レ
ンズ、９……基盤、１０……シヤフト、１２，１
３，１４，１５……小径部。
FIG. 1 is a diagram showing an example of a pickup device according to the present invention, FIGS. 2 a and b are a sectional view and a perspective view of a shaft, and FIGS. A sectional view and a perspective view of a shaft showing an embodiment, FIGS. 4a and b are a sectional view and a perspective view of a shaft showing another embodiment, and FIGS. 5a and b
and c are waveform diagrams showing the measurement results of the example and the conventional example, and FIGS. 6a and 6b are a sectional view and a perspective view of the shaft of the conventional example. DESCRIPTION OF SYMBOLS 1...Holding member, 2...Through hole, 7...Objective lens, 9...Base, 10...Shaft, 12,1
3, 14, 15...Small diameter part.
Claims (1)
記対物レンズの光軸に平行に貫通孔を穿設し、こ
の貫通孔を基盤に植設されたシヤフトに嵌合させ
ることにより前記保持部材を前記シヤフトに対し
て摺動及び回動自在に支持させた光学式ピツクア
ツプ装置において、 前記シヤフトに部分的に径の小さな小径部を設
けたことを特徴とする光学式ピツクアツプ装置。[Claims for Utility Model Registration] At least a through hole is formed in the holding member that holds the objective lens in parallel to the optical axis of the objective lens, and this through hole is fitted into a shaft implanted in the base. An optical pickup device in which the holding member is slidably and rotatably supported on the shaft, wherein the shaft is partially provided with a small diameter portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5564487U JPS63164808U (en) | 1987-04-13 | 1987-04-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5564487U JPS63164808U (en) | 1987-04-13 | 1987-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63164808U true JPS63164808U (en) | 1988-10-27 |
Family
ID=30883733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5564487U Pending JPS63164808U (en) | 1987-04-13 | 1987-04-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63164808U (en) |
-
1987
- 1987-04-13 JP JP5564487U patent/JPS63164808U/ja active Pending