JPH01162114U - - Google Patents
Info
- Publication number
- JPH01162114U JPH01162114U JP5719788U JP5719788U JPH01162114U JP H01162114 U JPH01162114 U JP H01162114U JP 5719788 U JP5719788 U JP 5719788U JP 5719788 U JP5719788 U JP 5719788U JP H01162114 U JPH01162114 U JP H01162114U
- Authority
- JP
- Japan
- Prior art keywords
- storage section
- lens
- lens support
- section
- optical pickup
- 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 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Lens Barrels (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Head (AREA)
Description
第１図は本考案による光学式ピツクアツプのレ
ンズ支持機構の１実施例を示す断面図、第２図は
従来の光学式ピツクアツプのレンズ支持機構を示
す断面図、第３図はその一部拡大図、第４図はコ
ンパクトデイスクプレーヤに装備される光学式ピ
ツクアツプの構成図である。
９……対物レンズ、１１……レンズホルダ、Ａ
……収納部、Ｂ……ビーム通過穴、Ｃ……レンズ
支持部、１２……収納部の底部、１６……溝。
Fig. 1 is a cross-sectional view showing one embodiment of the lens support mechanism of an optical pick-up according to the present invention, Fig. 2 is a cross-sectional view showing a conventional lens support mechanism of an optical pick-up, and Fig. 3 is a partially enlarged view thereof. , FIG. 4 is a block diagram of an optical pickup installed in a compact disc player. 9...Objective lens, 11...Lens holder, A
... Storage section, B ... Beam passing hole, C ... Lens support section, 12 ... Bottom of storage section, 16 ... Groove.
Claims (1)
収納部と、この収納部よりも小径で且つ収納部の
底部に通じるビーム通過穴とが形成されていると
ともに、収納部の底部にはレンズの曲面部を位置
決めして支持するレンズ支持部が形成されており
且つ、前記収納部の底部にはレンズ支持部の外周
側に位置する溝が形成されて成る光学式ピツクア
ツプのレンズ支持機構。 Inside the lens holder, there is formed a concave storage section for storing the lens, and a beam passage hole that is smaller in diameter than the storage section and communicates with the bottom of the storage section. 1. A lens support mechanism for an optical pickup, comprising: a lens support section for positioning and supporting the storage section; and a groove positioned on the outer circumferential side of the lens support section at the bottom of the storage section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5719788U JPH01162114U (en) | 1988-04-26 | 1988-04-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5719788U JPH01162114U (en) | 1988-04-26 | 1988-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01162114U true JPH01162114U (en) | 1989-11-10 |
Family
ID=31283053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5719788U Pending JPH01162114U (en) | 1988-04-26 | 1988-04-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01162114U (en) |
-
1988
- 1988-04-26 JP JP5719788U patent/JPH01162114U/ja active Pending