NL194811B - Servoschakeling. - Google Patents

Servoschakeling.

Info

Publication number
NL194811B
NL194811B NL8700082A NL8700082A NL194811B NL 194811 B NL194811 B NL 194811B NL 8700082 A NL8700082 A NL 8700082A NL 8700082 A NL8700082 A NL 8700082A NL 194811 B NL194811 B NL 194811B
Authority
NL
Netherlands
Prior art keywords
servo circuit
servo
circuit
Prior art date
Application number
NL8700082A
Other languages
English (en)
Other versions
NL194811C (nl
NL8700082A (nl
Original Assignee
Mitsubishi Electric Corp
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
Priority claimed from JP826586A external-priority patent/JPS62165201A/ja
Priority claimed from JP1845186A external-priority patent/JPS62174812A/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of NL8700082A publication Critical patent/NL8700082A/nl
Publication of NL194811B publication Critical patent/NL194811B/nl
Application granted granted Critical
Publication of NL194811C publication Critical patent/NL194811C/nl

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/094—Methods and circuits for servo offset compensation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
NL8700082A 1986-01-16 1987-01-15 Servoschakeling. NL194811C (nl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP826586 1986-01-16
JP826586A JPS62165201A (ja) 1986-01-16 1986-01-16 サ−ボ回路
JP1845186A JPS62174812A (ja) 1986-01-28 1986-01-28 サ−ボ回路方式
JP1845186 1986-01-28

Publications (3)

Publication Number Publication Date
NL8700082A NL8700082A (nl) 1987-08-17
NL194811B true NL194811B (nl) 2002-11-01
NL194811C NL194811C (nl) 2003-03-04

Family

ID=26342756

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8700082A NL194811C (nl) 1986-01-16 1987-01-15 Servoschakeling.

Country Status (3)

Country Link
US (1) US4812726A (nl)
DE (1) DE3701144A1 (nl)
NL (1) NL194811C (nl)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2199167B (en) 1986-11-29 1991-02-20 Papst Motoren Gmbh & Co Kg Rotary drive for a data storage medium
DE3715491A1 (de) * 1987-05-09 1988-11-17 Thomson Brandt Gmbh Geraet zur wiedergabe von daten
US4942563A (en) * 1987-09-30 1990-07-17 Kabushiki Kaisha Toshiba Signal processing apparatus and method capable of providing precise digital data
JPH01173441A (ja) * 1987-12-28 1989-07-10 Toshiba Corp 情報記録再生装置
US4941082A (en) * 1988-04-25 1990-07-10 Electro Scientific Industries, Inc. Light beam positioning system
US5251194A (en) * 1989-04-17 1993-10-05 Mitsubishi Denki Kabushiki Kaisha Techniques for controlling beam position and focus in optical disk drives
US5077507A (en) * 1989-06-29 1991-12-31 Mitsubishi Denki K.K. Servo control apparatus
US5132602A (en) * 1990-10-02 1992-07-21 Calsonic International, Inc. Actuator positioning apparatus
JP3444093B2 (ja) * 1996-06-10 2003-09-08 株式会社デンソー 光センサ回路
JP2000512791A (ja) * 1997-04-25 2000-09-26 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 光学的に読取り可能な記録担体を走査する走査装置及び検出装置
KR100518514B1 (ko) 1998-02-20 2005-11-24 삼성전자주식회사 하드 디스크 드라이브에서 엑츄에이터 온트랙 제어장치및 그방법
US6762902B2 (en) 2000-12-15 2004-07-13 Samsung Electronics Co., Ltd. Time-varying, non-synchronous disturbance identification and cancellation in a rotating disk storage device
JP2005503182A (ja) * 2001-01-16 2005-02-03 ギブン・イメージング・リミテツド 体腔の広域画像形成用のシステムおよび方法
IL159450A0 (en) 2001-06-18 2004-06-01 Given Imaging Ltd In vivo sensing device with a circuit board having rigid sections and flexible sections
US7833151B2 (en) * 2002-12-26 2010-11-16 Given Imaging Ltd. In vivo imaging device with two imagers
TWI406690B (zh) * 2004-02-26 2013-09-01 Semiconductor Energy Lab 運動器具，娛樂工具，和訓練工具
US20060217593A1 (en) * 2005-03-24 2006-09-28 Zvika Gilad Device, system and method of panoramic multiple field of view imaging
JP2009532082A (ja) * 2006-03-30 2009-09-10 ギブン イメージング リミテッド 生体内検出デバイス、ならびにイメージャとイメージャのプロセッサとの間の通信方法
US20080161647A1 (en) * 2006-12-27 2008-07-03 Amit Pascal Device and method for multiple illumination fields of an in-vivo imaging device
WO2009014155A1 (en) 2007-07-25 2009-01-29 Semiconductor Energy Laboratory Co., Ltd. Photoelectric conversion device and electronic device having the same
US8516691B2 (en) 2009-06-24 2013-08-27 Given Imaging Ltd. Method of assembly of an in vivo imaging device with a flexible circuit board

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3739247A (en) * 1971-05-17 1973-06-12 Canon Kk Positioning device using photoelectric scanning
US4183060A (en) * 1976-03-19 1980-01-08 Rca Corporation Capacitance distance sensor apparatus for video disc player/recorder
JPS555923A (en) * 1978-06-27 1980-01-17 Nippon Yuuboard Kogyo Kk Production of rigid urethane block utilizing the waste of rigid foamed urethane
JPS6030016B2 (ja) * 1979-09-25 1985-07-13 日本ビクター株式会社 円盤状記録媒体記録及び／又は再生装置のサ−ボ方式
US4492465A (en) * 1980-12-18 1985-01-08 The Boeing Company Retro-reflective electro-optical angle measuring system
JPS57193818A (en) * 1981-05-25 1982-11-29 Toshiba Corp Positioning device
US4498129A (en) * 1981-07-02 1985-02-05 Irwin Magnetic Systems, Inc. Method and apparatus for normalizing servo-positioning signals
JPS5828654A (ja) * 1981-07-14 1983-02-19 Sumitomo Metal Ind Ltd スロツピング予知方法
JPS5828655A (ja) * 1981-08-13 1983-02-19 Rigaku Denki Kk 単結晶体の切断面検査装置
JPS5828653A (ja) * 1981-08-13 1983-02-19 Nec Corp 材料表面欠陥検出装置
JPS5848104A (ja) * 1981-09-16 1983-03-22 Motoda Electronics Co Ltd 移動体制御方式
JPS5885940A (ja) * 1981-11-17 1983-05-23 Hitachi Ltd 光デイスクの自動焦点引込み方法
DE3214375C2 (de) * 1982-04-20 1986-09-04 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Einrichtung zur Bestimmung der Lage eines Satelliten
JPS6070924U (ja) * 1983-10-19 1985-05-20 パイオニア株式会社 焦点誤差検出装置
JP2607237B2 (ja) * 1984-01-10 1997-05-07 シャープ株式会社 光集束位置制御装置
JPS60136070A (ja) * 1983-12-23 1985-07-19 Nec Corp サ−ボトラツク書込み装置
JPS60154336A (ja) * 1984-01-24 1985-08-14 Foster Denki Kk サ−ボ回路装置
JPS60182521A (ja) * 1984-02-29 1985-09-18 Nec Home Electronics Ltd 光ピツクアツプの調整装置
JP2548106B2 (ja) * 1984-05-23 1996-10-30 ソニー株式会社 光学式デイスクプレ−ヤのトラツキング・サ−ボコントロ−ル装置

Also Published As

Publication number Publication date
NL194811C (nl) 2003-03-04
NL8700082A (nl) 1987-08-17
DE3701144C2 (nl) 1993-09-16
US4812726A (en) 1989-03-14
DE3701144A1 (de) 1987-07-23

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V4 Discontinued because of reaching the maximum lifetime of a patent

Effective date: 20070115