JPS613566U - Optical pick-up feed control device - Google Patents
Optical pick-up feed control deviceInfo
- Publication number
- JPS613566U JPS613566U JP8866084U JP8866084U JPS613566U JP S613566 U JPS613566 U JP S613566U JP 8866084 U JP8866084 U JP 8866084U JP 8866084 U JP8866084 U JP 8866084U JP S613566 U JPS613566 U JP S613566U
- Authority
- JP
- Japan
- Prior art keywords
- control device
- feed control
- optical pickup
- optical pick
- objective lens
- 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.)
- Granted
Links
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- 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図は本考案の構成の全体を表わすブロック図、第2
図は従来のピックてツプ送りモータのサーホ回路のフア
ック図、第3図は本考案に係るピックアップ送りモータ
のサーボ回路のブロシク図、第4図は入出力電圧特性図
、第5図、第7歯、および第9図は本考案に係る非線形
増幅回路図、ならびに第6図、第8図、および第10図
は上記非線形増幅回路の入出力電圧特性図である。
,、7・・・光ディスク、9・・・光学ピックアイフ、
10・・・対物レンズ、11・・・ビームスプリツタ、
12・・・レーザ光源、13・・・アクチュエータ、1
4・・・四分割検知器、15・・・中心位置偏差検出器
、16,18・・・位相補償回路、17.20・・・増
幅器、19・・・非線形増幅器、21・・・ピックアッ
プ送りモータ、22・・・ピニオン4、23・・・ラッ
ク。Figure 1 is a block diagram showing the entire configuration of the present invention;
The figure is a hook diagram of the servo circuit of a conventional pick-up feed motor, Figure 3 is a block diagram of the servo circuit of the pick-up feed motor according to the present invention, Figure 4 is an input/output voltage characteristic diagram, Figures 5, 7 teeth, and FIG. 9 are nonlinear amplifier circuit diagrams according to the present invention, and FIGS. 6, 8, and 10 are input/output voltage characteristic diagrams of the nonlinear amplifier circuit. ,, 7... Optical disc, 9... Optical pick eye,
10... Objective lens, 11... Beam splitter,
12... Laser light source, 13... Actuator, 1
4... Quadrant detector, 15... Center position deviation detector, 16, 18... Phase compensation circuit, 17.20... Amplifier, 19... Nonlinear amplifier, 21... Pickup feed Motor, 22...pinion 4, 23...rack.
Claims (1)
動可能に配設された対物レンズの光軸−との位置差を検
出して動作信号に変換する第一の手段と、該第一の手段
の出力を増幅する第二の手段と、該第二の手段の出力に
よって前記光学ピックアップを前記対物レンズに追従移
動させる第三の′手段とを有する光学ピックアップ送り
制御装置において、前記第二の手段は非線形増幅回路を
有することを特徴とする光学ピックアップ送り制御装.
置。 ″[Claims for Utility Model Registration] A first means for detecting a positional difference between the center of an optical pickup and an optical axis of an objective lens movably disposed through the optical pickup and converting it into an operation signal; , an optical pickup feed control device comprising: second means for amplifying the output of the first means; and third means for moving the optical pickup to follow the objective lens by the output of the second means. , an optical pickup feed control device, wherein the second means has a nonlinear amplification circuit.
Place. ″
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8866084U JPS613566U (en) | 1984-06-14 | 1984-06-14 | Optical pick-up feed control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8866084U JPS613566U (en) | 1984-06-14 | 1984-06-14 | Optical pick-up feed control device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS613566U true JPS613566U (en) | 1986-01-10 |
JPH0447800Y2 JPH0447800Y2 (en) | 1992-11-11 |
Family
ID=30642006
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8866084U Granted JPS613566U (en) | 1984-06-14 | 1984-06-14 | Optical pick-up feed control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS613566U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63106966A (en) * | 1986-10-24 | 1988-05-12 | Pioneer Electronic Corp | Slider servo device |
JPS63117376A (en) * | 1986-11-04 | 1988-05-21 | Victor Co Of Japan Ltd | Control system for drive displacing actuator for recording and reproducing element |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5491306A (en) * | 1977-12-28 | 1979-07-19 | Victor Co Of Japan Ltd | Automatic feed follower of information signal reproducer |
JPS5845666A (en) * | 1981-09-07 | 1983-03-16 | Sony Corp | Servo circuit for disc reproducer |
JPS6074167A (en) * | 1983-09-30 | 1985-04-26 | Sony Corp | Feeding servo-circuit of optical head |
-
1984
- 1984-06-14 JP JP8866084U patent/JPS613566U/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5491306A (en) * | 1977-12-28 | 1979-07-19 | Victor Co Of Japan Ltd | Automatic feed follower of information signal reproducer |
JPS5845666A (en) * | 1981-09-07 | 1983-03-16 | Sony Corp | Servo circuit for disc reproducer |
JPS6074167A (en) * | 1983-09-30 | 1985-04-26 | Sony Corp | Feeding servo-circuit of optical head |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63106966A (en) * | 1986-10-24 | 1988-05-12 | Pioneer Electronic Corp | Slider servo device |
JPS63117376A (en) * | 1986-11-04 | 1988-05-21 | Victor Co Of Japan Ltd | Control system for drive displacing actuator for recording and reproducing element |
Also Published As
Publication number | Publication date |
---|---|
JPH0447800Y2 (en) | 1992-11-11 |
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