JPS6140721U - In-focus drive device - Google Patents
In-focus drive deviceInfo
- Publication number
- JPS6140721U JPS6140721U JP12583184U JP12583184U JPS6140721U JP S6140721 U JPS6140721 U JP S6140721U JP 12583184 U JP12583184 U JP 12583184U JP 12583184 U JP12583184 U JP 12583184U JP S6140721 U JPS6140721 U JP S6140721U
- Authority
- JP
- Japan
- Prior art keywords
- focus
- actuator
- drive device
- driven
- information detection
- 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
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のピックアップ駆動装置のブロック図、第
２図はピックアップのアクチュエータの構造を示す図、
第３図は本考案の実施例の回路図である。
主要部分の符号の説明、１・・・・・・ピックアップ、
７・・・・・・トラッキングアクチュエータ、８・・・
・・・フォーカスアクチュエータ、９・・・・・・フォ
ーカス引込み回路、１０・・・・・・摺動軸、２０・・
・・・・ラジアル方向駆動回路。Figure 1 is a block diagram of a conventional pickup drive device, Figure 2 is a diagram showing the structure of the pickup actuator,
FIG. 3 is a circuit diagram of an embodiment of the present invention. Explanation of the symbols of the main parts, 1...Pickup,
7... Tracking actuator, 8...
... Focus actuator, 9... Focus retraction circuit, 10... Sliding shaft, 20...
...Radial direction drive circuit.
Claims (3)
行な摺動軸に沿ってこの軸方向及びそれに直交する方向
に前記記録情報検出点を夫々駆動するフォーカ反アクチ
ュエータ及びトラッキングアクチュエータを有するピッ
クアップのインフォーカス駆動装置であって、インフォ
ーカス指令に応答して前記フォーカスアクチュエータを
駆動してフォーカス引込みをなすときに前記トラッキン
グアクチュ玉一タを駆動する手段を有することを特徴と
するインフォーカス駆動装置。(1) It has a focus anti-actuator and a tracking actuator that respectively drive the recorded information detection point along a sliding axis parallel to the optical axis of the light spot that constitutes the recorded information detection point in this axis direction and in a direction perpendicular thereto. An in-focus drive device for a pickup, comprising means for driving the tracking actuator when the focus actuator is driven in response to an in-focus command to perform focus retraction. Device.
録情報検出点の記録トラックジャンプ制御信号によりな
すようにしたことを特徴とする実用新案登録請求の範囲
第１項のインフォーカス駆動装置。(2) The in-focus driving device according to claim 1, wherein the tracking actuator is driven by a recording track jump control signal of the recording information detection point.
キングエラー信号のレベルを制御するウオブリング用の
信号によりなすようにしたことを特徴とする実用新案登
録請求の範囲第１項のインフォーカス駆動装置。(3) The in-focus drive device according to claim 1, wherein the tracking actuator is driven by a wobbling signal that controls the level of a tracking error signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12583184U JPS6140721U (en) | 1984-08-18 | 1984-08-18 | In-focus drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12583184U JPS6140721U (en) | 1984-08-18 | 1984-08-18 | In-focus drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6140721U true JPS6140721U (en) | 1986-03-14 |
Family
ID=30684521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12583184U Pending JPS6140721U (en) | 1984-08-18 | 1984-08-18 | In-focus drive device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6140721U (en) |
-
1984
- 1984-08-18 JP JP12583184U patent/JPS6140721U/en active Pending
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