HK68196A - Method of reading data off a rotating recording medium - Google Patents

Method of reading data off a rotating recording medium

Info

Publication number
HK68196A
HK68196A HK68196A HK68196A HK68196A HK 68196 A HK68196 A HK 68196A HK 68196 A HK68196 A HK 68196A HK 68196 A HK68196 A HK 68196A HK 68196 A HK68196 A HK 68196A
Authority
HK
Hong Kong
Prior art keywords
recording medium
reading data
rotating recording
rotating
reading
Prior art date
Application number
HK68196A
Other languages
English (en)
Inventor
Dieter Baas
Original Assignee
Thomson Brandt Gmbh
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 Thomson Brandt Gmbh filed Critical Thomson Brandt Gmbh
Publication of HK68196A publication Critical patent/HK68196A/xx

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28Indexing; 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
    • G11B27/30Indexing; 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
    • 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
    • G11B7/085Disposition 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
    • G11B7/08505Methods for track change, selection or preliminary positioning by moving the head
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, 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
    • G11B19/02Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1803Error detection or correction; Testing, e.g. of drop-outs by redundancy in data representation
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/11Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28Indexing; 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
    • G11B27/32Indexing; 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 separate auxiliary tracks of the same or an auxiliary record carrier
    • G11B27/327Table of contents
    • G11B27/329Table of contents on a disc [VTOC]
    • 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005Reproducing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/20Disc-shaped record carriers
    • G11B2220/25Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537Optical discs
    • G11B2220/2545CDs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/60Solid state media
    • G11B2220/65Solid state media wherein solid state memory is used for storing indexing information or metadata

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
HK68196A 1991-02-09 1996-04-18 Method of reading data off a rotating recording medium HK68196A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4104041A DE4104041A1 (de) 1991-02-09 1991-02-09 Verfahren zum lesen von daten eines rotierenden aufzeichnungstraegers

Publications (1)

Publication Number Publication Date
HK68196A true HK68196A (en) 1996-04-26

Family

ID=6424772

Family Applications (1)

Application Number Title Priority Date Filing Date
HK68196A HK68196A (en) 1991-02-09 1996-04-18 Method of reading data off a rotating recording medium

Country Status (8)

Country Link
US (1) US5384759A (xx)
EP (1) EP0570409B1 (xx)
JP (1) JP3217355B2 (xx)
KR (1) KR100239280B1 (xx)
DE (2) DE4104041A1 (xx)
ES (1) ES2076752T3 (xx)
HK (1) HK68196A (xx)
WO (1) WO1992014249A1 (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3283559B2 (ja) * 1992-01-24 2002-05-20 パイオニア株式会社 Cd再生装置
US5526328A (en) * 1992-01-29 1996-06-11 Matsushita Electric Industrial Co., Ltd. Recording and reproducing apparatus with varying amounts of data in different tracks
CA2138301C (en) * 1994-01-21 1998-12-15 Hal Hjalmar Ottesen Apparatus and method for providing multimedia data
TW270193B (xx) * 1994-08-10 1996-02-11 Ibm
KR100264798B1 (ko) * 1997-12-31 2000-09-01 윤종용 직접 액세스 재생을 위한 광 디스크 기록장치와 직접액세스 재생방법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5910168U (ja) * 1982-07-12 1984-01-23 ソニー株式会社 デイスク再生装置
EP0236132B1 (en) * 1986-03-04 1993-01-20 Pioneer Electronic Corporation Program selection for a digital audio disk
DE3702693A1 (de) * 1987-01-30 1988-08-11 Thomson Brandt Gmbh Cd-spieler
DE3719218A1 (de) * 1987-06-09 1988-12-22 Thomson Brandt Gmbh Cd-spieler
US5235578A (en) * 1987-09-30 1993-08-10 Deutsche Thomson-Brandt Gmbh Method for reducing access time in a CD-player with a memory by storing compressed index data
DE3732983A1 (de) * 1987-09-30 1989-04-13 Thomson Brandt Gmbh Cd-spieler mit einem speicher
DE3914588A1 (de) * 1989-05-03 1990-11-08 Thomson Brandt Gmbh Verfahren zur erzielung kurzer zugriffszeiten bei einem cdv-spieler
US5293568A (en) * 1991-06-28 1994-03-08 Olympus Optical Co., Ltd. Track-address judging method

Also Published As

Publication number Publication date
JP3217355B2 (ja) 2001-10-09
DE4104041A1 (de) 1992-08-13
DE59202740D1 (de) 1995-08-03
EP0570409B1 (de) 1995-06-28
WO1992014249A1 (de) 1992-08-20
KR100239280B1 (ko) 2000-01-15
JPH06505110A (ja) 1994-06-09
KR930703682A (ko) 1993-11-30
ES2076752T3 (es) 1995-11-01
EP0570409A1 (de) 1993-11-24
US5384759A (en) 1995-01-24

Similar Documents

Publication Publication Date Title
DE3574302D1 (en) Optical head apparatus for recording and reproducing data on a recording medium
EP0452852A3 (en) Apparatus for recording and/or reproducing information to or from a recording medium
EP0464811A3 (en) Information recording medium and information recording and reproducing apparatus
EP0446892A3 (en) Optical data medium recording method
AU1434188A (en) Apparatus for recording and/or reproducing digital data information
EP0475336A3 (en) Information recording medium and information recording method
GB8822980D0 (en) Method of recording & reproducing picture information recording medium
EP0528421A3 (en) Recording medium and information reading apparatus
EP0336038A3 (en) Apparatus for reproducing and processing picture information from a recording medium
EP0458558A3 (en) A data recording cartridge and a flexible magnetic recording medium and a method of manufacturing the same
EP0430042A3 (en) A recording medium and method of reproducing thereof
TW306665U (en) Recording medium cassette and a recording/reproducing apparatus
EP0137346A3 (en) Rotary head type digital information signal recording and reproducing apparatus and tracking control method therein
EP0376678A3 (en) Information recording medium
EP0352068A3 (en) Optical data recording medium
EP0507341A3 (en) Data recording method and data recording medium
EP0376700A3 (en) Information recording medium
EP0536737A3 (en) Information recording/reproducing apparatus for optical information recording medium
GB9300227D0 (en) Method of duplicating data on a rotating magnetic disk
DE3478161D1 (en) Method of writing information on a recording medium
GB2174530B (en) Optical information recording medium and method for recording information on said medium and reproducing information therefrom
EP0376217A3 (en) Data recording/reproducing apparatus
EP0443847A3 (en) Information recording/reproducing apparatus
EP0348122A3 (en) Optical data recording medium and manufacturing method thereof
EP0526185A3 (en) Information recording/reproducing method

Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20100204