JPS6257928U - - Google Patents
Info
- Publication number
- JPS6257928U JPS6257928U JP14890385U JP14890385U JPS6257928U JP S6257928 U JPS6257928 U JP S6257928U JP 14890385 U JP14890385 U JP 14890385U JP 14890385 U JP14890385 U JP 14890385U JP S6257928 U JPS6257928 U JP S6257928U
- Authority
- JP
- Japan
- Prior art keywords
- base
- optical disc
- holder
- disc player
- magnetic circuit
- 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
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
Description
第１図はこの考案の光デイスクプレーヤに用い
るピツクアツプの断面図、第２図は第１図部拡
大断面図、第３図、および、第４図は可動部の重
心位置と駆動部の駆動中心位置とのずれを示す平
面図、および、側断面図、第５図はピツクアツプ
の外観斜面図、第６図は一部の側断面図、第７図
は駆動コイルの斜面図、第８図は可動部の重心と
駆動部の中心の関係と、周波数特性との関係を示
す図である。
Fig. 1 is a sectional view of a pickup used in the optical disc player of this invention, Fig. 2 is an enlarged sectional view of the part in Fig. 1, and Figs. 3 and 4 show the position of the center of gravity of the movable part and the drive center of the drive part. A plan view and a side sectional view showing the deviation from the position, Fig. 5 is an external oblique view of the pickup, Fig. 6 is a partial side sectional view, Fig. 7 is an oblique view of the drive coil, and Fig. 8 is an oblique view of the pickup. FIG. 7 is a diagram showing the relationship between the center of gravity of the movable part and the center of the drive part, and the relationship with frequency characteristics.
Claims (1)
と、トラツキング方向、ならびに、フオーカシン
グ方向の駆動コイル、さらには、対物レンズを保
持するホルダーと、一端部が前記ベースに固定さ
れ、他端部が前記ホルダに取付けられているばね
性の支持部材とを備える光デイスクプレーヤにお
いて、ベースに対して磁気回路、あるいは、駆動
コイルがトラツキング方向、あるいは、フオーカ
シング方向の少なくとも一方向に沿つて調節可能
に構成したことを特徴とまる光デイスクプレーヤ
。 A base on which a magnetic circuit is mounted on the pickup, drive coils for tracking and focusing directions, and a holder that holds an objective lens, one end of which is fixed to the base and the other end of which is attached to the holder. The optical disc player is characterized in that the magnetic circuit or the drive coil is configured to be adjustable with respect to the base along at least one of the tracking direction and the focusing direction. Permanent optical disc player.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14890385U JPS6257928U (en) | 1985-09-28 | 1985-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14890385U JPS6257928U (en) | 1985-09-28 | 1985-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6257928U true JPS6257928U (en) | 1987-04-10 |
Family
ID=31063603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14890385U Pending JPS6257928U (en) | 1985-09-28 | 1985-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6257928U (en) |
-
1985
- 1985-09-28 JP JP14890385U patent/JPS6257928U/ja active Pending