SG50334G - Recording discs - Google Patents

Recording discs

Info

Publication number
SG50334G
SG50334G SG1995903746A SG1995903746A SG50334G SG 50334 G SG50334 G SG 50334G SG 1995903746 A SG1995903746 A SG 1995903746A SG 1995903746 A SG1995903746 A SG 1995903746A SG 50334 G SG50334 G SG 50334G
Authority
SG
Singapore
Prior art keywords
recording discs
discs
recording
Prior art date
Application number
SG1995903746A
Other languages
English (en)
Inventor
Ken Kutaragi
Shoji Tanaka
Yasushi Fujinami
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 SG50334G publication Critical patent/SG50334G/en

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
    • G11B27/3027Indexing; 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
    • 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
    • G11B20/12Formatting, e.g. arrangement of data block or words on the record carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10595Control of operating function
    • G11B11/10597Adaptations for transducing various formats on the same or different carriers
    • 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
    • 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
    • G11B19/04Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • 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
    • G11B20/12Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G11B20/1252Formatting, e.g. arrangement of data block or words on the record carriers on discs for discontinuous data, e.g. digital information signals, computer programme data
    • 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
    • G11B20/1833Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • 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
    • G11B27/13Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/012Recording on, or reproducing or erasing from, magnetic disks
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/488Disposition of heads
    • G11B5/4886Disposition of heads relative to rotating disc
    • 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
    • G11B20/12Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • 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
    • G11B20/12Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G11B2020/1259Formatting, e.g. arrangement of data block or words on the record carriers on discs with ROM/RAM areas
    • 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
    • G11B2220/2508Magnetic discs
    • 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
    • G11B2220/2508Magnetic discs
    • G11B2220/2512Floppy disks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Magnetic Recording (AREA)
SG1995903746A 1987-07-01 1988-07-01 Recording discs SG50334G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62164183A JPS6410463A (en) 1987-07-01 1987-07-01 Magnetic disk

Publications (1)

Publication Number Publication Date
SG50334G true SG50334G (en) 1995-09-18

Family

ID=15788280

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1995903746A SG50334G (en) 1987-07-01 1988-07-01 Recording discs

Country Status (8)

Country Link
US (1) US4942486A (ko)
JP (1) JPS6410463A (ko)
KR (1) KR890002878A (ko)
DE (1) DE3822388A1 (ko)
FR (1) FR2617627A1 (ko)
GB (2) GB2206723B (ko)
HK (1) HK88595A (ko)
SG (1) SG50334G (ko)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0657884B1 (en) * 1989-01-11 1998-09-02 Hitachi, Ltd. Magnetic recording medium, method of producing it, and magnetic recording apparatus using it
US5434991A (en) * 1990-03-20 1995-07-18 Sharp Kabushiki Kaisha Method and apparatus for recording and reproducing information in black on a rewritable recording medium
US5193184A (en) * 1990-06-18 1993-03-09 Storage Technology Corporation Deleted data file space release system for a dynamically mapped virtual data storage subsystem
US5315469A (en) * 1991-07-25 1994-05-24 Applied Magnetics Corporation Magnetic recording head which produces variable erase bands
EP0586189B1 (en) * 1992-09-03 2000-06-28 Sony Corporation Data recording apparatus and methods
US5452166A (en) * 1993-10-01 1995-09-19 Applied Magnetics Corporation Thin film magnetic recording head for minimizing undershoots and a method for manufacturing the same
JPH07141771A (ja) * 1993-11-17 1995-06-02 Nec Corp フロッピィディスクのデータ書き込み方法とフロ ッピィディスク装置
JP3096951B2 (ja) * 1994-12-09 2000-10-10 アルプス電気株式会社 磁気記録再生装置
JPH10134517A (ja) * 1996-10-29 1998-05-22 Mitsubishi Electric Corp フォーマット書き込み装置及びフレキシブルディスク
JP2000187954A (ja) * 1998-12-22 2000-07-04 Fujitsu Ltd 記憶装置
DE19921092C1 (de) 1999-04-30 2000-03-16 Brose Fahrzeugteile Verfahren zum Normieren der Scheibenposition eines fremdkraftbetätigten Kraftfahrzeugfensterhebers
KR100712106B1 (ko) 2000-03-28 2007-04-27 코닌클리케 필립스 일렉트로닉스 엔.브이. 열지원 자기기록용 저장매체
EP1146507A1 (en) * 2000-04-15 2001-10-17 Koninklijke Philips Electronics N.V. Storage medium for thermally-assisted magnetic recording
US7298586B1 (en) * 2004-09-07 2007-11-20 Storage Technology Corporation Thin-film read element with multiple read sensors
US20100100756A1 (en) * 2008-10-20 2010-04-22 Dell Products L.P. Power Supply Wear Leveling in a Multiple-PSU Information Handling System
US8179627B2 (en) * 2010-06-10 2012-05-15 Seagate Technology International Floating guard band for shingle magnetic recording
KR101662601B1 (ko) 2016-08-10 2016-10-05 주식회사 경희전기 열처리 및 방청유 도포공정을 갖춘 금속 주름관의 가공처리장치
KR102426294B1 (ko) 2020-12-03 2022-07-29 동아금속주름관(주) 주름관 성형장치

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2405536A1 (fr) * 1977-10-07 1979-05-04 Thomson Csf Dispositif d'enregistrement-lecture d'une information sur une boucle de ruban magnetique enroule dans une cassette sans fin
CA1165871A (en) * 1978-11-08 1984-04-17 Kornelis Bulthuis Optically inscribable record carrier
US4229808A (en) * 1978-12-21 1980-10-21 Ncr Corporation Method for recording multiple data segments on a storage disc with eccentricity factor
NL7902363A (nl) * 1979-03-27 1980-09-30 Philips Nv Registratiedrager met een optisch uitleesbare informa- tiestruktuur.
DE2912708A1 (de) * 1979-03-30 1980-10-09 Basf Ag Datenspeichersystem und magnetscheiben dafuer
US4797752A (en) * 1981-12-04 1989-01-10 Discovision Associates Information storage carrier and method for storing duplicate information
JPS59112406A (ja) * 1982-12-17 1984-06-28 Sony Corp Pcm信号の記録再生方法
JPS59175064A (ja) * 1983-03-23 1984-10-03 Mitsubishi Electric Corp 磁気デイスク制御方式
JPS6079502A (ja) * 1983-10-04 1985-05-07 Sharp Corp 磁気記録再生方式
US4672600A (en) * 1983-11-28 1987-06-09 Northern Telecom Limited Optical disc having protective cover
JPS60196854A (ja) * 1984-03-19 1985-10-05 Olympus Optical Co Ltd 情報検索システム
JPS6120239A (ja) * 1984-07-06 1986-01-29 Tokyo Electric Co Ltd デイスク状光学式記録媒体
JPS61168148A (ja) * 1985-01-18 1986-07-29 Toshiba Corp 光学的情報記憶媒体
DE3601265A1 (de) * 1985-01-18 1986-07-24 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Optisches system fuer informationsaufzeichnung
JPS61199254A (ja) * 1985-02-27 1986-09-03 ゼロツクス コ−ポレ−シヨン 光デイスク装置
JPH0731829B2 (ja) * 1985-06-05 1995-04-10 株式会社日立製作所 情報処理方法
JP2633526B2 (ja) * 1986-01-16 1997-07-23 ソニー株式会社 記録再生装置
US4821253A (en) * 1986-12-19 1989-04-11 Matsushita Electric Industrial Co., Ltd. Optical disk and optical disk apparatus with error correction
JPH02214001A (ja) * 1989-02-14 1990-08-27 Matsushita Electric Ind Co Ltd 信号記録再生装置

Also Published As

Publication number Publication date
GB2206723B (en) 1992-03-04
GB8815674D0 (en) 1988-08-10
GB2244170A (en) 1991-11-20
KR890002878A (ko) 1989-04-11
GB9113274D0 (en) 1991-08-07
GB2206723A (en) 1989-01-11
FR2617627A1 (fr) 1989-01-06
DE3822388A1 (de) 1989-02-02
US4942486A (en) 1990-07-17
HK88595A (en) 1995-06-09
JPS6410463A (en) 1989-01-13

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