JPS63181115U - - Google Patents
Info
- Publication number
- JPS63181115U JPS63181115U JP7025487U JP7025487U JPS63181115U JP S63181115 U JPS63181115 U JP S63181115U JP 7025487 U JP7025487 U JP 7025487U JP 7025487 U JP7025487 U JP 7025487U JP S63181115 U JPS63181115 U JP S63181115U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- focus
- tracking
- magnet
- magnetic pole
- 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 3
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第1図イ,ロ,ハは本考案の一実施例で、イは
光ピツクアツプ駆動機構の要部上面図、ロ及びハ
はそれぞれその縦断面図、第2図イ,ロ,ハは従
来の光ピツクアツプ駆動機構でイはその要部上面
図、ロ及びハはそれぞれその縦断面図である。
1……ベース、2……フオーカス用磁石、3…
…トラツキング用磁石、4―1……内側フオーカ
ス用ヨーク、4―2……外側フオーカス用ヨーク
、5……トラツキング用ヨーク、6……レンズ、
7……フオーカスコイル、8……トラツキングコ
イル、9……レンズホルダ、10……シヤフト、
11……軸受孔。
Figure 1 A, B, and C show one embodiment of the present invention. In the optical pickup drive mechanism, A is a top view of a main part thereof, B and C are longitudinal sectional views thereof, respectively. 1... Base, 2... Focus magnet, 3...
... Tracking magnet, 4-1... Inner focus yoke, 4-2... Outer focus yoke, 5... Tracking yoke, 6... Lens,
7... Focusing coil, 8... Tracking coil, 9... Lens holder, 10... Shaft,
11...Bearing hole.
Claims (1)
オーカスコイルが設けられると共にレンズが固定
されたレンズホルダと、上記フオーカスコイルの
内側にあつて第1の磁極を上記フオーカスコイル
に対面させたフオーカス用磁石と、上記フオーカ
スコイルを挾んで上記フオーカス用磁石の上記第
1の磁極と対面する位置に一端部が設けられ他端
部が上記フオーカス用磁石の第2の磁極と磁気的
に結合されたヨークと、上記トラツキングコイル
と対面する位置にトラツキング用磁石を設けた光
ピツクアツプのレンズ駆動装置において、上記ト
ラツキング用磁石と上記フオーカス用磁石とを対
面させると共にこれら磁石の中間に上記トラツキ
ングコイルを配置させたことを特徴とする光ピツ
クアツプのレンズ駆動装置。 A lens holder having a central axis and having a tracking coil and a focus coil on its outer periphery and a lens fixed thereto, and a focuser that is located inside the focus coil and has a first magnetic pole facing the focus coil. one end is provided at a position facing the first magnetic pole of the focus magnet across the focus coil, and the other end is magnetically coupled to the second magnetic pole of the focus magnet. In an optical pickup lens driving device, the tracking magnet is provided with a yoke that faces the tracking coil, and a tracking magnet is provided at a position facing the tracking coil. A lens driving device for an optical pickup, characterized in that:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7025487U JPS63181115U (en) | 1987-05-13 | 1987-05-13 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7025487U JPS63181115U (en) | 1987-05-13 | 1987-05-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63181115U true JPS63181115U (en) | 1988-11-22 |
Family
ID=30911727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7025487U Pending JPS63181115U (en) | 1987-05-13 | 1987-05-13 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63181115U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6242119B2 (en) * | 1979-04-27 | 1987-09-07 | Komitsusaria Ta Renerujii Atomiiku |
-
1987
- 1987-05-13 JP JP7025487U patent/JPS63181115U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6242119B2 (en) * | 1979-04-27 | 1987-09-07 | Komitsusaria Ta Renerujii Atomiiku |