JPH0212720U - - Google Patents
Info
- Publication number
- JPH0212720U JPH0212720U JP9175088U JP9175088U JPH0212720U JP H0212720 U JPH0212720 U JP H0212720U JP 9175088 U JP9175088 U JP 9175088U JP 9175088 U JP9175088 U JP 9175088U JP H0212720 U JPH0212720 U JP H0212720U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- lens holder
- attached
- support member
- fixed base
- 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
- 230000000149 penetrating effect Effects 0.000 claims 1
Landscapes
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Description
第１図〜第３図は本考案の対物レンズアクチユ
エータの一実施例を示すもので、第１図はフレキ
シブル配線板以外の部分を仮想線で示したフレキ
シブル配線板形状説明のための斜視図、第２図は
上面側から見た外観図、第３図は底面側から見た
外観図、第４図は従来の対物レンズアクチユエー
タの上面からみた外観図である。
１……対物レンズ、２……対物レンズホルダ、
２ａ……スリツト、３……ヒンジ式回動ばね（ヒ
ンジ式支持部材）、４……ヒンジ式平行板ばね（
ヒンジ式支持部材）、５……固定台、６……フオ
ーカシング駆動用コイル、７……トラツキング駆
動用コイル、１１……フレキシブル配線板。
Figures 1 to 3 show an embodiment of the objective lens actuator of the present invention, and Figure 1 is a perspective view for explaining the shape of the flexible wiring board, showing the parts other than the flexible wiring board with imaginary lines. 2 is an external view as seen from the top side, FIG. 3 is an external view as seen from the bottom side, and FIG. 4 is an external view as seen from the top side of a conventional objective lens actuator. 1...Objective lens, 2...Objective lens holder,
2a...slit, 3...hinged rotation spring (hinged support member), 4...hinged parallel leaf spring (
(hinged support member), 5... fixed base, 6... focusing drive coil, 7... tracking drive coil, 11... flexible wiring board.
Claims (1)
オーカシング方向およびトラツキング方向に変位
可能に支持するヒンジ式支持部材を備え、このヒ
ンジ式支持部材の基端部を固定台に固定し、前記
対物レンズホルダに取り付けた駆動用コイルに駆
動電流を流すためのフレキシブル配線板の一端側
を対物レンズホルダの上面に張り付け、他端側を
前記固定台の背面に張り付けた対物レンズアクチ
ユエータにおいて、 前記対物レンズホルダに上下に貫通するスリツ
トを設け、前記フレキシブル配線板を対物レンズ
ホルダの上面から前記スリツトを通しヒンジ式支
持部材の下側を経て固定台側に導いたことを特徴
とする対物レンズアクチユエータ。[Claims for Utility Model Registration] A hinge-type support member that supports an objective lens holder with an objective lens attached thereto so as to be movable in the focusing direction and the tracking direction, and the base end of the hinge-type support member is fixed to a fixed base. , an objective lens actuator in which one end side of a flexible wiring board for passing a drive current through a drive coil attached to the objective lens holder is attached to the upper surface of the objective lens holder, and the other end side is attached to the back surface of the said fixed base; The objective lens holder is provided with a vertically penetrating slit, and the flexible wiring board is guided from the upper surface of the objective lens holder through the slit to the fixed base side via the lower side of the hinged support member. Objective lens actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9175088U JPH0212720U (en) | 1988-07-11 | 1988-07-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9175088U JPH0212720U (en) | 1988-07-11 | 1988-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0212720U true JPH0212720U (en) | 1990-01-26 |
Family
ID=31316216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9175088U Pending JPH0212720U (en) | 1988-07-11 | 1988-07-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0212720U (en) |
-
1988
- 1988-07-11 JP JP9175088U patent/JPH0212720U/ja active Pending