AT358637B - Servomechanismus fuer aufnahme - und/oder wiedergabegeraete mit einem rotierenden auf- zeichnungstraeger - Google Patents

Servomechanismus fuer aufnahme - und/oder wiedergabegeraete mit einem rotierenden auf- zeichnungstraeger

Info

Publication number
AT358637B
AT358637B AT226177A AT226177A AT358637B AT 358637 B AT358637 B AT 358637B AT 226177 A AT226177 A AT 226177A AT 226177 A AT226177 A AT 226177A AT 358637 B AT358637 B AT 358637B
Authority
AT
Austria
Prior art keywords
recording
servomechanism
playback devices
rotating
carrier
Prior art date
Application number
AT226177A
Other languages
English (en)
Other versions
ATA226177A (de
Original Assignee
Sony 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
Application filed by Sony Corp filed Critical Sony Corp
Publication of ATA226177A publication Critical patent/ATA226177A/de
Application granted granted Critical
Publication of AT358637B publication Critical patent/AT358637B/de

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/095Disposition 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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00Head arrangements not specific to the method of recording or reproducing
    • G11B21/02Driving or moving of heads
    • G11B21/10Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • G11B21/106Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following on disks
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00Head arrangements not specific to the method of recording or reproducing
    • G11B21/16Supporting the heads; Supporting the sockets for plug-in heads
    • G11B21/20Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier
AT226177A 1976-04-02 1977-03-31 Servomechanismus fuer aufnahme - und/oder wiedergabegeraete mit einem rotierenden auf- zeichnungstraeger AT358637B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3747676A JPS52120805A (en) 1976-04-02 1976-04-02 Servo apparatus

Publications (2)

Publication Number Publication Date
ATA226177A ATA226177A (de) 1980-02-15
AT358637B true AT358637B (de) 1980-09-25

Family

ID=12498563

Family Applications (1)

Application Number Title Priority Date Filing Date
AT226177A AT358637B (de) 1976-04-02 1977-03-31 Servomechanismus fuer aufnahme - und/oder wiedergabegeraete mit einem rotierenden auf- zeichnungstraeger

Country Status (9)

Country Link
US (1) US4310912A (de)
JP (1) JPS52120805A (de)
AT (1) AT358637B (de)
AU (1) AU504374B2 (de)
CA (1) CA1101543A (de)
DE (1) DE2714659A1 (de)
FR (1) FR2346805A1 (de)
GB (1) GB1566003A (de)
NL (1) NL7703539A (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2803283C2 (de) * 1978-01-26 1992-12-10 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Überdruckventil für hydraulische Grubenstempel
JPS54133305A (en) * 1978-04-07 1979-10-17 Hitachi Ltd Information recorder
NL7901721A (nl) * 1979-03-05 1980-09-09 Philips Nv Regelsysteem.
US4408314A (en) * 1980-02-29 1983-10-04 Tokyo Shibaura Denki Kabushiki Kaisha Record/playback track tracking servo
JPS5766573A (en) * 1980-10-13 1982-04-22 Victor Co Of Japan Ltd Detecting circuit for reference signal for tracking control
JPS57120238A (en) * 1981-01-16 1982-07-27 Matsushita Electric Ind Co Ltd Reproducing device
US4491877A (en) * 1981-05-09 1985-01-01 Pioneer Video Corporation Cross-talk detector in information-carrying disc player
JPS57186237A (en) * 1981-05-12 1982-11-16 Pioneer Video Corp Crosstalk eliminating device for recorded information reproducing device
JPS5924475A (ja) * 1982-07-31 1984-02-08 Matsushita Electric Ind Co Ltd 再生装置
JPS6055569A (ja) * 1983-09-06 1985-03-30 Matsushita Electric Ind Co Ltd 情報再生装置
JPS60103567A (ja) * 1983-11-09 1985-06-07 Sharp Corp 光集束位置制御装置
JPS6139940A (ja) * 1984-07-31 1986-02-26 Pioneer Electronic Corp 光情報デイスク再生装置
JPS6220143A (ja) * 1985-07-18 1987-01-28 Matsushita Electric Ind Co Ltd フオ−カス制御装置
JP2508459B2 (ja) * 1986-06-05 1996-06-19 ソニー株式会社 回転記録媒体に対するサ―ボ装置
JPS6310384A (ja) * 1986-07-02 1988-01-16 Sony Corp 回転記録媒体に対するサ−ボ方式
JPS63239621A (ja) * 1987-03-27 1988-10-05 Sony Corp 診断機能付光デイスク記録・再生装置
JPS6478476A (en) * 1987-09-19 1989-03-23 Victor Company Of Japan Tracking servo system
US4859846A (en) * 1988-07-21 1989-08-22 Burrer Gordon J Dual-mode resonant scanning system
JPH02247831A (ja) * 1989-03-20 1990-10-03 Pioneer Electron Corp トラッキングサーボループのループゲイン設定方法
JP2586651B2 (ja) * 1989-07-28 1997-03-05 松下電器産業株式会社 ディスク装置のトラック追従制御装置
US5047630A (en) * 1990-08-22 1991-09-10 Confer Charles L Modified dual-mode resonant scanning system
US5768228A (en) * 1996-09-09 1998-06-16 International Business Machines Corporation Method and sytem for cancelling optical servo crosstalk in optical disk drives
DE202009004753U1 (de) * 2009-04-29 2010-09-16 Bucyrus Europe Gmbh Druckbegrenzungsventil

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3187256A (en) * 1960-09-09 1965-06-01 Raydata Corp System for monitoring and indicating the eccentricity of circular objects in both a static and dynamic condition
US3808486A (en) * 1972-08-25 1974-04-30 Information Storage Systems Selective frequency compensation for a servo system
NL7211998A (de) * 1972-09-02 1974-03-05
NL7215306A (de) * 1972-11-11 1974-05-14
US4005260A (en) * 1972-11-11 1977-01-25 U.S. Philips Corporation Device for reading a disk-shaped record carrier with time base correction
FR2222666B1 (de) * 1973-03-19 1976-11-05 Thomson Brandt
US3983318A (en) * 1973-04-16 1976-09-28 Rca Corporation Velocity correction system with damping means
DE2453364C3 (de) * 1973-11-09 1979-02-22 Hitachi, Ltd., Tokio Automatische Fokussiervorrichtung
US3946166A (en) * 1974-04-01 1976-03-23 Zenith Radio Corporation Tracking arrangement
US3934262A (en) * 1974-07-02 1976-01-20 Zenith Radio Corporation Video disc and method of playback
US3965482A (en) * 1974-11-12 1976-06-22 Rca Corporation Velocity correction circuit for video discs
GB1577134A (en) * 1976-03-19 1980-10-22 Rca Corp Capacitance distance control apparatus
GB1577132A (en) * 1976-03-19 1980-10-22 Rca Corp Compensation apparatus for a servo system with periodic command signals

Also Published As

Publication number Publication date
JPS52120805A (en) 1977-10-11
DE2714659C2 (de) 1987-07-16
GB1566003A (en) 1980-04-30
AU504374B2 (en) 1979-10-11
US4310912A (en) 1982-01-12
ATA226177A (de) 1980-02-15
CA1101543A (en) 1981-05-19
NL7703539A (nl) 1977-10-04
AU2358877A (en) 1978-09-28
DE2714659A1 (de) 1977-10-13
FR2346805A1 (fr) 1977-10-28

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Legal Events

Date Code Title Description
ELA Expired due to lapse of time
ELA Expired due to lapse of time