JPH01103018U - - Google Patents
Info
- Publication number
- JPH01103018U JPH01103018U JP19496787U JP19496787U JPH01103018U JP H01103018 U JPH01103018 U JP H01103018U JP 19496787 U JP19496787 U JP 19496787U JP 19496787 U JP19496787 U JP 19496787U JP H01103018 U JPH01103018 U JP H01103018U
- Authority
- JP
- Japan
- Prior art keywords
- holder
- stepped part
- support
- flexure
- stepped
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Description
第１図は本考案の波長板支持機構の一実施例を
示す構成図、第２図は波長板の使用例を示す光磁
気デイスク再生装置の構成図、第３図は従来の波
長板支持機構の一例を示す構成図である。
１……光磁気デイスク、２……レーザ光源、３
……コリメータレンズ、４……ミラー、５……対
物レンズ、６１，６２……ビームスプリツタ、６
３……偏光ビームスプリツタ、７……１／２波長
板、７１……ホルダ、７２……ホルダ支持部、７
３……止めネジ、７４……段付き部、７５……支
持端部、７６……フレクシヤ部、７７……固定部
材、８１，８２……光検出器、９１，９２……ア
ンプ、１０……差動アンプ。
Fig. 1 is a block diagram showing one embodiment of the wave plate support mechanism of the present invention, Fig. 2 is a block diagram of a magneto-optical disk reproducing device showing an example of the use of the wave plate, and Fig. 3 is a conventional wave plate support mechanism. It is a block diagram which shows an example. 1... magneto-optical disk, 2... laser light source, 3
... Collimator lens, 4 ... Mirror, 5 ... Objective lens, 61, 62 ... Beam splitter, 6
3...Polarizing beam splitter, 7...1/2 wavelength plate, 71...Holder, 72...Holder support part, 7
3... Set screw, 74... Stepped part, 75... Support end, 76... Flexure part, 77... Fixing member, 81, 82... Photodetector, 91, 92... Amplifier, 10... ...Differential amplifier.
Claims (1)
き部と任意の支持端部との間にフレクシヤ部を有
する円筒状のホルダと、このホルダの内部に挿嵌
されその段付き部との間で緩衝材を介して波長板
を挾持するリング状の固定部材と、前記ホルダを
回転自在に支持するとともにその支持端部を止め
ネジなどにより押圧してその状態を維持するホル
ダ支持部とを具備してなる波長板支持機構。 A cylindrical holder that has a stepped part on its inner periphery and a flexure part between this stepped part and an arbitrary support end, and a cylindrical holder that is inserted into the inside of this holder and has a flexure part between the stepped part and the stepped part. The holder includes a ring-shaped fixing member that holds the wavelength plate via a buffer material, and a holder support part that rotatably supports the holder and maintains the state by pressing the support end with a set screw or the like. Wave plate support mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19496787U JPH01103018U (en) | 1987-12-23 | 1987-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19496787U JPH01103018U (en) | 1987-12-23 | 1987-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01103018U true JPH01103018U (en) | 1989-07-12 |
Family
ID=31485666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19496787U Pending JPH01103018U (en) | 1987-12-23 | 1987-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01103018U (en) |
-
1987
- 1987-12-23 JP JP19496787U patent/JPH01103018U/ja active Pending