ATE39589T1 - Verfahren und vorrichtung zum zurueckgewinnen von informationen von einer ausgewaehlten spur auf einer aufzeichnungsscheibe. - Google Patents

Verfahren und vorrichtung zum zurueckgewinnen von informationen von einer ausgewaehlten spur auf einer aufzeichnungsscheibe.

Info

Publication number
ATE39589T1
ATE39589T1 AT82109936T AT82109936T ATE39589T1 AT E39589 T1 ATE39589 T1 AT E39589T1 AT 82109936 T AT82109936 T AT 82109936T AT 82109936 T AT82109936 T AT 82109936T AT E39589 T1 ATE39589 T1 AT E39589T1
Authority
AT
Austria
Prior art keywords
track
disc
target track
scanned
optical system
Prior art date
Application number
AT82109936T
Other languages
English (en)
Inventor
Gary Michael Giddings
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
Application filed by Discovision Ass filed Critical Discovision Ass
Priority claimed from EP82109936A external-priority patent/EP0078060B1/de
Application granted granted Critical
Publication of ATE39589T1 publication Critical patent/ATE39589T1/de

Links

Classifications

    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/34—Guiding record carriers during transducing operation, e.g. for track following
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • 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
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • 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
    • G11B27/3027—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 digitally coded
    • G11B27/3036—Time code signal
    • G11B27/3054—Vertical Interval Time code [VITC]
    • 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
    • G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in only
    • 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
    • G11B7/08529—Methods and circuits to control the velocity of the head as it traverses the tracks
    • 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

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
AT82109936T 1981-10-28 1982-10-27 Verfahren und vorrichtung zum zurueckgewinnen von informationen von einer ausgewaehlten spur auf einer aufzeichnungsscheibe. ATE39589T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US31602181A 1981-10-28 1981-10-28
US33323681A 1981-12-21 1981-12-21
EP82109936A EP0078060B1 (de) 1981-10-28 1982-10-27 Verfahren und Vorrichtung zum Zurückgewinnen von Informationen von einer ausgewählten Spur auf einer Aufzeichnungsscheibe

Publications (1)

Publication Number Publication Date
ATE39589T1 true ATE39589T1 (de) 1989-01-15

Family

ID=27225716

Family Applications (1)

Application Number Title Priority Date Filing Date
AT82109936T ATE39589T1 (de) 1981-10-28 1982-10-27 Verfahren und vorrichtung zum zurueckgewinnen von informationen von einer ausgewaehlten spur auf einer aufzeichnungsscheibe.

Country Status (2)

Country Link
EP (1) EP0167177B1 (de)
AT (1) ATE39589T1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63113939A (ja) * 1986-10-31 1988-05-18 Pioneer Electronic Corp アドレス探索方法
JPS6446270A (en) * 1987-08-13 1989-02-20 Pioneer Electronic Corp Searching method in disk player
JP2598952B2 (ja) * 1988-03-18 1997-04-09 三洋電機株式会社 トラックサーチ回路及びトラックサーチ方法
JP2582951B2 (ja) * 1990-05-25 1997-02-19 インターナショナル・ビジネス・マシーンズ・コーポレイション 可動部材の相対的速度で位置誤差信号のダイナミック・レンジを変更するための手段を有する単ループサーボ位置決めシステム
US5257251A (en) * 1990-05-25 1993-10-26 International Business Machines Corporation Single loop servo-positioning systems having means for changing the dynamic range of a position-error signal with speed of the relatively movable members

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5913101B2 (ja) * 1977-12-16 1984-03-27 株式会社日立製作所 ランダムアクセス方法
JPS5611673A (en) * 1979-07-03 1981-02-05 Pioneer Video Corp Address information retrieval method in information recording medium reproducing unit
JPS5862868A (ja) * 1981-10-09 1983-04-14 Pioneer Video Corp 情報再生装置における高速アドレス情報探索方式

Also Published As

Publication number Publication date
EP0167177B1 (de) 1994-11-23
EP0167177A1 (de) 1986-01-08

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EELA Cancelled due to lapse of time