JPS61111027U - - Google Patents
Info
- Publication number
- JPS61111027U JPS61111027U JP19326784U JP19326784U JPS61111027U JP S61111027 U JPS61111027 U JP S61111027U JP 19326784 U JP19326784 U JP 19326784U JP 19326784 U JP19326784 U JP 19326784U JP S61111027 U JPS61111027 U JP S61111027U
- Authority
- JP
- Japan
- Prior art keywords
- frame
- radial
- coil
- spring
- fix
- 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 2
- 238000010586 diagram Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Mechanical Optical Scanning Systems (AREA)
- Optical Recording Or Reproduction (AREA)
Description
図面は本考案の実施例を示すもので、第1図は
本考案3軸光ヘツドの斜視図、第2図はその分解
斜視図、第3図は平面図、第4図は第3図のA―
A線に於ける部分断面図、第5図はラジアルコイ
ルの駆動回路図、第6図はラジアルコイルの推力
の差を調整する制御回路図である。
1……固定部、2……フレーム、3……レンズ
ホルダー、4……フオーカス用板バネ、5……ラ
ジアル用V型バネ、6……アクチユエーターベー
ス、61……バネ取付け部、62……コイル取付
け部、63……コイル取付け部、64……間隙部
、7……ラジアル制御用磁気回路、8……ラジア
ル制御用磁気回路、9……ジツター制御用磁気回
路、10……スペーサー、11……対物レンズ、
12……ジツターコイル、13……ラジアルコイ
ル、14……ラジアルコイル、15……フオーカ
スコイル、17……ジツター用バネ、18……フ
オーカス制御用磁気回路、19……ビームスポツ
ト、20……光軸、D……デイスク、H……ヘツ
ド本体。
The drawings show an embodiment of the present invention; FIG. 1 is a perspective view of the three-axis optical head of the present invention, FIG. 2 is an exploded perspective view thereof, FIG. 3 is a plan view, and FIG. A-
FIG. 5 is a radial coil drive circuit diagram, and FIG. 6 is a control circuit diagram for adjusting the difference in thrust of the radial coils. DESCRIPTION OF SYMBOLS 1... Fixed part, 2... Frame, 3... Lens holder, 4... Leaf spring for focus, 5... V-shaped spring for radial, 6... Actuator base, 61... Spring mounting part, 62 ...Coil mounting portion, 63...Coil mounting portion, 64...Gap portion, 7...Magnetic circuit for radial control, 8...Magnetic circuit for radial control, 9...Magnetic circuit for jitter control, 10...Spacer , 11...objective lens,
12...Jitter coil, 13...Radial coil, 14...Radial coil, 15...Focus coil, 17...Jitter spring, 18...Magnetic circuit for focus control, 19...Beam spot, 20...Light Shaft, D...disc, H...head body.
Claims (1)
ジアル用V型バネの両端を固定し、該ラジアル用
V型バネの頂部の固定部に更に段違いのフオーカ
ス用板バネの端部を固定し、他端をフレームに固
定して該フレームをベースに水平に支持し、この
フレームに立設したジツター用バネによつて対物
レンズを装着したレンズホルダーをフレーム面に
平行に支持し、フレームの下部にフオーカスコイ
ルを設け、レンズホルダーにジツターコイルを設
け、更にレンズホルダーとフレームにラジアルコ
イルを設け、この3種のコイルを夫々前記アクチ
ユエーターベース上に設けたフオーカス、ジツタ
ー、ラジアル方向の制御用磁気回路の空隙に介装
して組み合わせてなる3軸光ヘツド。 Fix both ends of a radial V-shaped spring to the spring attachment part on the actuator base, fix the end of a focus plate spring on a different level to the fixing part at the top of the radial V-shaped spring, and fix the other end. The frame is fixed to the frame and supported horizontally on the base, the lens holder with the objective lens attached is supported parallel to the frame surface by a jitter spring installed upright on the frame, and the focus coil is attached to the bottom of the frame. A jitter coil is provided on the lens holder, and a radial coil is provided on the lens holder and the frame, and these three types of coils are provided on the actuator base, respectively. A 3-axis optical head that is interposed and combined.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19326784U JPS61111027U (en) | 1984-12-19 | 1984-12-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19326784U JPS61111027U (en) | 1984-12-19 | 1984-12-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61111027U true JPS61111027U (en) | 1986-07-14 |
Family
ID=30750686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19326784U Pending JPS61111027U (en) | 1984-12-19 | 1984-12-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61111027U (en) |
-
1984
- 1984-12-19 JP JP19326784U patent/JPS61111027U/ja active Pending
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