DE69431889D1 - Drehservosteuerschaltung in einem Plattenspieler - Google Patents

Drehservosteuerschaltung in einem Plattenspieler

Info

Publication number
DE69431889D1
DE69431889D1 DE69431889T DE69431889T DE69431889D1 DE 69431889 D1 DE69431889 D1 DE 69431889D1 DE 69431889 T DE69431889 T DE 69431889T DE 69431889 T DE69431889 T DE 69431889T DE 69431889 D1 DE69431889 D1 DE 69431889D1
Authority
DE
Germany
Prior art keywords
turntable
control circuit
servo control
rotary servo
rotary
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.)
Expired - Fee Related
Application number
DE69431889T
Other languages
English (en)
Other versions
DE69431889T2 (de
Inventor
Kazutoshi Shimizume
Mamoru Akita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
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
Priority claimed from JP27790693A external-priority patent/JPH07105622A/ja
Priority claimed from JP27779093A external-priority patent/JPH07111032A/ja
Priority claimed from JP28168293A external-priority patent/JPH07114770A/ja
Priority claimed from JP28168193A external-priority patent/JPH07114769A/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE69431889D1 publication Critical patent/DE69431889D1/de
Application granted granted Critical
Publication of DE69431889T2 publication Critical patent/DE69431889T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • 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
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • 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
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • 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
    • G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
    • 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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • 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
    • G11B27/005—Reproducing at a different information rate from the information rate of recording
    • 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
    • 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
    • G11B7/0946—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 specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/10537—Audio or video recording
    • G11B2020/10592—Audio or video recording specifically adapted for recording or reproducing multichannel signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B2020/10916—Seeking data on the record carrier for preparing an access to a specific address
    • 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
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2525—Magneto-optical [MO] discs
    • G11B2220/2529—Mini-discs
    • 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
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2545—CDs
    • 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
    • G11B27/3063—Subcodes
    • 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
    • G11B7/08541—Methods for track change, selection or preliminary positioning by moving the head involving track counting to determine position

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Rotational Drive Of Disk (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE69431889T 1993-10-07 1994-10-07 Drehservosteuerschaltung in einem Plattenspieler Expired - Fee Related DE69431889T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP27790693A JPH07105622A (ja) 1993-10-07 1993-10-07 ディスクプレーヤ
JP27779093A JPH07111032A (ja) 1993-10-08 1993-10-08 ディスクプレーヤの回転サーボ回路
JP28168293A JPH07114770A (ja) 1993-10-15 1993-10-15 ディスクプレーヤ
JP28168193A JPH07114769A (ja) 1993-10-15 1993-10-15 ディスクプレーヤの回転サーボ回路

Publications (2)

Publication Number Publication Date
DE69431889D1 true DE69431889D1 (de) 2003-01-23
DE69431889T2 DE69431889T2 (de) 2003-08-28

Family

ID=27479140

Family Applications (4)

Application Number Title Priority Date Filing Date
DE69426441T Expired - Fee Related DE69426441T2 (de) 1993-10-07 1994-10-07 Servosteuerungssystem für Plattenspieler
DE69432572T Expired - Fee Related DE69432572T2 (de) 1993-10-07 1994-10-07 Drehservorsteuerschaltung für Plattenspieler
DE69433100T Expired - Fee Related DE69433100T2 (de) 1993-10-07 1994-10-07 Plattenspieler mit geringem Verbrauch
DE69431889T Expired - Fee Related DE69431889T2 (de) 1993-10-07 1994-10-07 Drehservosteuerschaltung in einem Plattenspieler

Family Applications Before (3)

Application Number Title Priority Date Filing Date
DE69426441T Expired - Fee Related DE69426441T2 (de) 1993-10-07 1994-10-07 Servosteuerungssystem für Plattenspieler
DE69432572T Expired - Fee Related DE69432572T2 (de) 1993-10-07 1994-10-07 Drehservorsteuerschaltung für Plattenspieler
DE69433100T Expired - Fee Related DE69433100T2 (de) 1993-10-07 1994-10-07 Plattenspieler mit geringem Verbrauch

Country Status (5)

Country Link
US (1) US6269061B1 (de)
EP (4) EP1028417B1 (de)
KR (1) KR100317411B1 (de)
CN (1) CN1084910C (de)
DE (4) DE69426441T2 (de)

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DE19708095A1 (de) 1997-02-28 1998-09-03 Thomson Brandt Gmbh Verfahren und Anordnung zum Steuern des Datenstroms bei einem erschütterungsresistenten Abspielgerät
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Also Published As

Publication number Publication date
EP1028417A2 (de) 2000-08-16
EP1028417A3 (de) 2000-09-27
EP1028415B1 (de) 2003-04-23
EP0649131B1 (de) 2000-12-20
EP1028415A2 (de) 2000-08-16
EP0649131A2 (de) 1995-04-19
DE69426441D1 (de) 2001-01-25
EP1028415A3 (de) 2000-10-04
EP0649131A3 (de) 1995-08-16
EP1028417B1 (de) 2002-12-11
DE69433100T2 (de) 2004-05-27
DE69433100D1 (de) 2003-10-02
EP1028416B1 (de) 2003-08-27
KR950012409A (ko) 1995-05-16
CN1117183A (zh) 1996-02-21
KR100317411B1 (ko) 2002-02-19
EP1028416A3 (de) 2000-09-27
DE69426441T2 (de) 2001-06-07
US6269061B1 (en) 2001-07-31
EP1028416A2 (de) 2000-08-16
DE69431889T2 (de) 2003-08-28
DE69432572T2 (de) 2004-04-08
CN1084910C (zh) 2002-05-15
DE69432572D1 (de) 2003-05-28

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