JPS613566U - Optical pick-up feed control device - Google Patents

Optical pick-up feed control device

Info

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
Application number
JP8866084U
Other languages
Japanese (ja)
Other versions
JPH0447800Y2 (en
Inventor
昭彦 本間
Original Assignee
アイワ株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by アイワ株式会社 filed Critical アイワ株式会社
Priority to JP8866084U priority Critical patent/JPS613566U/en
Publication of JPS613566U publication Critical patent/JPS613566U/en
Application granted granted Critical
Publication of JPH0447800Y2 publication Critical patent/JPH0447800Y2/ja
Granted legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】 光学ピックアップの中心と該光学ピックアップの由に移
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. ″
JP8866084U 1984-06-14 1984-06-14 Optical pick-up feed control device Granted JPS613566U (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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