JPS61149123U

JPS61149123U -

Info

Publication number: JPS61149123U
Application number: JP3109985U
Authority: JP
Priority date: 1985-03-04
Filing date: 1985-03-04
Publication date: 1986-09-13

Description

[Brief explanation of drawings]

第１図〜第５図は本考案の実施例を示すもので
あり、第１図は本考案による光学式ピツクアツプ
の補正駆動装置の構造を示す分解斜視図、第２図
は補正駆動装置をスライドホルダに取付ける状態
を示す分解斜視図、第３図はスライドホルダに補
正駆動装置が取付けられた状態を示す一部断面を
含む側面図、第４図は別の実施例による第３図に
相当する側面図、第５図は第４図のＶ―Ｖ断面図
、第６図はコンパクトデイスクプレーヤの概略を
示す側面図、第７図は従来の光学式ピツクアツプ
のスライドホルダ上の構造を示す側面図である。１……対物レンズ、２０……補正駆動装置、２
１……レンズ保持部材、２２，２４……板ばね、
２３……可動部材、２５……固定部、２６……ト
ラツキングコイル、２７……フオーカスコイル、
２９，３２……マグネツト、３５……ベース板、
４０……スライドホルダ、４１……底部、４２…
…切欠き、４６……調整ねじ。 Figures 1 to 5 show embodiments of the present invention. Figure 1 is an exploded perspective view showing the structure of the compensation drive device for an optical pickup according to the present invention, and Figure 2 shows the compensation drive device sliding. FIG. 3 is an exploded perspective view showing the state in which the correction drive device is attached to the holder; FIG. 3 is a side view including a partial cross section showing the state in which the correction drive device is attached to the slide holder; FIG. 4 corresponds to FIG. 3 according to another embodiment. 5 is a cross-sectional view taken along line V-V in FIG. 4, FIG. 6 is a side view schematically showing a compact disc player, and FIG. 7 is a side view showing the structure on the slide holder of a conventional optical pickup. It is. 1...Objective lens, 20...Correction drive device, 2
1... Lens holding member, 22, 24... Leaf spring,
23...Movable member, 25...Fixed part, 26...Tracking coil, 27...Focus coil,
29, 32...Magnet, 35...Base plate,
40...Slide holder, 41...Bottom, 42...
...notch, 46...adjustment screw.

Claims

[Scope of utility model registration request]

In an optical pickup in which a correction drive device having an objective lens, a coil, and a magnet is mounted on a slide holder that moves along the recording surface of an optical disk, a holding member for the objective lens constituting the correction drive device; A spring member supporting this holding member as well as a magnet and a coil for driving the objective lens holding member are assembled on a base plate, and the base plate is installed in a notch formed at the bottom of the slide holder. An optical pick-up characterized by being installed in.