HK49186A - Method and apparatus for controlling the reading of information from an information storage medium - Google Patents

Method and apparatus for controlling the reading of information from an information storage medium

Info

Publication number
HK49186A
HK49186A HK491/86A HK49186A HK49186A HK 49186 A HK49186 A HK 49186A HK 491/86 A HK491/86 A HK 491/86A HK 49186 A HK49186 A HK 49186A HK 49186 A HK49186 A HK 49186A
Authority
HK
Hong Kong
Prior art keywords
information
disc
controlling
phase angle
pilot signal
Prior art date
Application number
HK491/86A
Other languages
English (en)
Inventor
S John Winslow
Wayne Ray Dakin
Original Assignee
Discovision Ass
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25444241&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK49186(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Discovision Ass filed Critical Discovision Ass
Publication of HK49186A publication Critical patent/HK49186A/xx

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/60—Guiding record carrier
    • G11B15/602—Guiding record carrier for track selection, acquisition or following
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/28—Speed controlling, regulating, or indicating
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/30—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture with provision for auxiliary signals
    • G11B23/36—Signals on record carriers or on containers and recorded by the same method as the main recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3018—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is a pilot signal outside the frequency band of the recorded main information signal
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in only
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • 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
    • G11B7/0908—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 for focusing only

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Rotational Drive Of Disk (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
HK491/86A 1978-06-30 1986-07-03 Method and apparatus for controlling the reading of information from an information storage medium HK49186A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/920,701 US4236050A (en) 1978-06-30 1978-06-30 System for recovering information from a movable information storage medium having a pilot signal with an aligned phase angle in adjacent tracks

Publications (1)

Publication Number Publication Date
HK49186A true HK49186A (en) 1986-07-11

Family

ID=25444241

Family Applications (1)

Application Number Title Priority Date Filing Date
HK491/86A HK49186A (en) 1978-06-30 1986-07-03 Method and apparatus for controlling the reading of information from an information storage medium

Country Status (6)

Country Link
US (1) US4236050A (ja)
EP (1) EP0007200B2 (ja)
JP (2) JPS558694A (ja)
AT (1) ATE1399T1 (ja)
DE (1) DE2963401D1 (ja)
HK (1) HK49186A (ja)

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US4416002A (en) * 1978-04-10 1983-11-15 Hitachi, Ltd. Method and apparatus for high-density recording and reproduction
USRE32431E (en) * 1978-11-16 1987-06-02 Discovision Associates System for rotating an information storage disc at a variable angular velocity to recover information therefrom at a prescribed constant rate
JPS5671855A (en) * 1979-11-15 1981-06-15 Sony Corp Playback device of disc
JPS5671856A (en) * 1979-11-15 1981-06-15 Sony Corp Playback device of disc
JPS5787371U (ja) * 1980-11-17 1982-05-29
FR2504713B1 (fr) * 1981-04-27 1986-04-11 Thomson Csf Disque support d'information a codage angulaire et systeme d'entrainement en rotation d'un tel disque
JPS57198579A (en) * 1981-05-29 1982-12-06 Sony Corp Disc reproducing device
US4567448A (en) * 1982-08-05 1986-01-28 Epson Corporation Variable frequency oscillator
JPS5968872A (ja) * 1982-10-14 1984-04-18 Sony Corp ディスク駆動装置
JPS5971168A (ja) * 1982-10-15 1984-04-21 Victor Co Of Japan Ltd 情報記録媒体円盤の回転制御装置
US4611319A (en) * 1982-10-15 1986-09-09 Pioneer Electronic Corporation Disc drive control system
JPS5990262A (ja) * 1982-11-15 1984-05-24 Nippon Gakki Seizo Kk デイスクの再生装置
JPS59185071A (ja) * 1983-04-04 1984-10-20 Hitachi Ltd 情報記録デイスクの再生速度制御装置
US4485337A (en) * 1983-05-09 1984-11-27 Control Data Corporation Servo data driven motor speed control
JPS60195771A (ja) * 1984-03-16 1985-10-04 Pioneer Electronic Corp 記録ディスク回転駆動制御装置
EP0158193B1 (en) * 1984-03-24 1989-07-05 Sony Corporation Optical disk player
US4647987A (en) * 1985-03-07 1987-03-03 Eastman Kodak Company Modified synchronization in apparatus for recording and reproducing single field non-interlaced images
JPS6243866A (ja) * 1985-08-21 1987-02-25 Hitachi Ltd デイスクプレ−ヤの時間軸変動補正装置
NL8800152A (nl) * 1988-01-22 1989-08-16 Philips Nv Optische uitleesbare registratiedrager van het beschrijfbare type, een inrichting voor het vervaardigen van een dergelijke registratiedrager, en inrichtingen voor het optekenen en/of uitlezen van informatie op/uit een dergelijke registratiedrager.
ATE98040T1 (de) * 1988-01-22 1993-12-15 Philips Nv Verfahren und geraet zur aufeinanderfolgenden aufzeichnung von efm-modulierten signalen.
NL8800151A (nl) * 1988-01-22 1989-08-16 Philips Nv Werkwijze en inrichting voor het optekenen van een informatiesignaal.
JP2638079B2 (ja) * 1988-05-30 1997-08-06 ソニー株式会社 光デイスク装置
US5132957A (en) * 1988-11-07 1992-07-21 Teac Corporation Information signal recording and reproducing system capable of recording an information signal on a medium having a limited recording band width
US4947093A (en) * 1988-11-25 1990-08-07 Micropolis Corporation Shock resistant winchester disk drive
US5265079A (en) 1991-02-15 1993-11-23 Applied Magnetics Corporation Seek actuator for optical recording
US6141300A (en) * 1989-06-20 2000-10-31 Discovision Associates Optical actuator including lens assembly with optical axis having symmetric suspensory forces acting thereon and optical disc system including same
US5038232A (en) * 1989-07-19 1991-08-06 Syquest Technology Spindle motor control circuit
DE69023589T2 (de) * 1989-09-22 1996-04-18 Sony Corp Informationsaufzeichnungsmethode und Medium dafür.
US5729511A (en) * 1991-02-15 1998-03-17 Discovision Associates Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal
US5808980A (en) * 1991-02-15 1998-09-15 Discovision Associates Seek actuator for optical recording
US6236625B1 (en) 1991-02-15 2001-05-22 Discovision Associates Optical disc system having current monitoring circuit with controller for laser driver and method for operating same
US6069857A (en) * 1991-02-15 2000-05-30 Discovision Associates Optical disc system having improved circuitry for performing blank sector check on readable disc
US5677899A (en) * 1991-02-15 1997-10-14 Discovision Associates Method for moving carriage assembly from initial position to target position relative to storage medium
US5491593A (en) * 1993-09-10 1996-02-13 International Business Machines Corporation Disk drive spindle synchronization apparatus and method
KR0143529B1 (ko) * 1994-06-22 1998-07-15 김광호 디스크 회전 제어 장치 및 방법
US6434087B1 (en) 1995-01-25 2002-08-13 Discovision Associates Optical disc system and method for controlling bias coil and light source to process information on a storage medium
US6091684A (en) * 1995-01-25 2000-07-18 Discovision Associates Optical disc system and method for changing the rotational rate of an information storage medium
US5748578A (en) * 1995-01-25 1998-05-05 Discovision Associates Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same
US5920539A (en) * 1995-01-25 1999-07-06 Discovision Associates Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor
KR100412055B1 (ko) * 1996-03-11 2004-03-19 삼성전자주식회사 스핀들에러시스핀들정상속도를가변하는방법
JP3889457B2 (ja) * 1996-03-13 2007-03-07 パイオニア株式会社 回転制御装置及び回転制御方法
US6126352A (en) * 1997-01-07 2000-10-03 Wiley; Lien J. Applicators for health and beauty products
US7113360B2 (en) * 2002-06-28 2006-09-26 Seagate Technology Llc Manufacture of concentric patterns from spiral source
ITMI20071432A1 (it) * 2007-07-17 2009-01-18 Ducati Energia Spa Regolatore di tensione per magnetogeneratori a connessione configurabile degli avvolgimenti di fase

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US3509274A (en) * 1965-09-27 1970-04-28 Sony Corp Apparatus for the recording of video signals and for the normal slow motion or still picture reproduction of such signals
GB1220454A (en) * 1967-12-23 1971-01-27 Int Computers Ltd Improvements in or relating to feeding tape in recording and/or reproducing apparatus
DE1562038B2 (de) * 1968-02-13 1971-05-13 Telefunken Patentverwertungsgesell schaft mbH, 790OUIm System zur aufzeichnung und abtastung von bildsignalen und der bildwechselfrequenz entsprechenden impulsen unter ver wendung eines plattenfoermigen aufzeichnungstraegers
US3662354A (en) * 1970-06-01 1972-05-09 Eg & G Inc Inscribing digital data on a grooved record by pre-distorting the waveforms
US3705262A (en) * 1970-12-31 1972-12-05 Westinghouse Electric Corp Synchronization method and apparatus for disc recorders
JPS526609B2 (ja) * 1972-01-17 1977-02-23
US3873765A (en) * 1972-08-29 1975-03-25 Rca Corp Disc playback system with speed control of a belt drive
DE2257817A1 (de) * 1972-11-25 1974-05-30 Hubertus Wentzell Aufzeichnungs- und wiedergabeverfahren fuer platten-informationstraeger
JPS49116118U (ja) * 1973-01-30 1974-10-03
JPS5415727B2 (ja) * 1973-02-02 1979-06-16
JPS5023524A (ja) * 1973-06-29 1975-03-13
JPS5031808A (ja) * 1973-07-19 1975-03-28
JPS5760693B2 (ja) * 1974-02-12 1982-12-21 Sony Corp
JPS6011374B2 (ja) * 1975-02-05 1985-03-25 株式会社日立製作所 情報再生方法及びその装置
DE2521821A1 (de) * 1975-05-16 1976-11-25 Bosch Gmbh Robert Videoplattengeraet
GB1572346A (en) * 1976-03-19 1980-07-30 Rca Corp Velocity and phase control for a disc recording and reproducing apparatus

Also Published As

Publication number Publication date
DE2963401D1 (en) 1982-09-16
ATE1399T1 (de) 1982-08-15
JPS558694A (en) 1980-01-22
JPS58189847A (ja) 1983-11-05
EP0007200B1 (en) 1982-07-28
EP0007200B2 (en) 1990-03-21
JPS6153783B2 (ja) 1986-11-19
EP0007200A1 (en) 1980-01-23
US4236050A (en) 1980-11-25

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Legal Events

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PE Patent expired