KR890002878A - 자기디스크 및 그 구동 장치 - Google Patents

자기디스크 및 그 구동 장치 Download PDF

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Publication number
KR890002878A
KR890002878A KR1019880008169A KR880008169A KR890002878A KR 890002878 A KR890002878 A KR 890002878A KR 1019880008169 A KR1019880008169 A KR 1019880008169A KR 880008169 A KR880008169 A KR 880008169A KR 890002878 A KR890002878 A KR 890002878A
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KR1019880008169A
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겐 구따라기
쇼지 다나까
야스시 후지나미
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오오가 노리오
소니 가부시끼 가이샤
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Publication of KR890002878A publication Critical patent/KR890002878A/ko

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    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording 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
    • G11B11/10—Recording 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
    • G11B11/105—Recording 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
    • G11B11/10595—Control of operating function
    • G11B11/10597—Adaptations for transducing various formats on the same or different carriers
    • 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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G11B20/1252—Formatting, 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
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • 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
    • G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
    • G11B27/13—Indexing; 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition 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
    • G11B5/488—Disposition of heads
    • G11B5/4886—Disposition of heads relative to rotating disc
    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • G11B2020/1259—Formatting, e.g. arrangement of data block or words on the record carriers on discs with ROM/RAM areas
    • 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
    • G11B2220/2508—Magnetic 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
    • G11B2220/2508—Magnetic discs
    • G11B2220/2512—Floppy disks

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Magnetic Recording (AREA)

Abstract

내용 없음

Description

자기 디스크 및 그 구동장치
제 1도는본 발명의 기록 디스크 실시예의 트랙 패턴의 일부를 도시한 개략도, 제 2도는 제 1도에 도시된 트랙 패턴을 확대하여 이에 기록/재생 헤드가 관련되는 것을 도시한 도면. 제 3도 내지 본 발명의 기록 디스크.
본 건은 외부공개 건이므로 전문 내용을 수록하지 않았음

Claims (3)

  1. 판독전용 트랙구역과, 서입 트랙구역을 구비하고 있는 기록 디스크에 있어서, 상기 판독전용 트랙구역과 서입 트랙 사이에 보호대역이 형성되어 있고, 상기 보호대역은 상기 서입 트랙구역에 데이타가 서입되는 동안 판독전용 트랙구역에 잘못 서입되는 것을 방지하는데 충분한 폭을 가진 것을 특징으로 하는 기록 디스크.
  2. 제 1항에 청구된 디스크를 구동하기 위한 장치에 있어서. 상기 관독판독전용 트랙구역으로 부터 데이타가 판독될때 이 판독전용 트랙구역으로의 데이타 서입을 방지하는 수단과 판독/서입 헤드 수단을 가지고 있는 것을 특징으로 하는 디스크 구동 장치.
  3. 자기 디스크 구동 장치에 있어서, 자기 디스크상의 각 트랙으로 신호를 서입 하기 위해 서로 다른 아지 머스 갭을 가진 한쌍의 서입/판독/소거 자기 헤드를 구비하여 기록 아지머스가 서로 교대로 달라지게 하고, 이들 자기 헤드를 각 트랙에 서입된 신호를 판득 및 소거하기 위해 자기 디스크상의 동일 트랙을 주가하도록 배치하고, 소거 신호를 상기 한쌍의 자기 헤드에 선택적으로 공급하는 소거 신호원과, 자기 디스크의 기준 회전 위치를 나타내는 검출신호에 응답하여, 상기 한쪽 자기 헤드의 아지머스 갭과 동일한 기록 아지머스를 가진 트랙을 판독하고, 상기 소거 신호원으로 부터의 소거 신호를 다른쪽 자기 헤드에 공급하여 어떤 트랙에 서 입된 신호를 소거하는 타이밍을 제어하는 소거 타이밍 제어 회로를 구비하고 있는 것을 특징으로 하는 자기 디스크 구동 장치.
    ※ 참고사항 : 최초출원내용에 의하여 공개하는 것임.
KR1019880008169A 1987-07-01 1988-07-01 자기디스크 및 그 구동 장치 KR890002878A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62164183A JPS6410463A (en) 1987-07-01 1987-07-01 Magnetic disk
JP62-164183 1987-07-01

Publications (1)

Publication Number Publication Date
KR890002878A true KR890002878A (ko) 1989-04-11

Family

ID=15788280

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880008169A KR890002878A (ko) 1987-07-01 1988-07-01 자기디스크 및 그 구동 장치

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)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
KR101662601B1 (ko) 2016-08-10 2016-10-05 주식회사 경희전기 열처리 및 방청유 도포공정을 갖춘 금속 주름관의 가공처리장치
KR20220078210A (ko) 2020-12-03 2022-06-10 동아금속주름관(주) 주름관 성형장치

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Publication number Priority date Publication date Assignee Title
KR101662601B1 (ko) 2016-08-10 2016-10-05 주식회사 경희전기 열처리 및 방청유 도포공정을 갖춘 금속 주름관의 가공처리장치
KR20220078210A (ko) 2020-12-03 2022-06-10 동아금속주름관(주) 주름관 성형장치

Also Published As

Publication number Publication date
US4942486A (en) 1990-07-17
GB2206723B (en) 1992-03-04
GB8815674D0 (en) 1988-08-10
SG50334G (en) 1995-09-18
FR2617627A1 (fr) 1989-01-06
GB9113274D0 (en) 1991-08-07
JPS6410463A (en) 1989-01-13
DE3822388A1 (de) 1989-02-02
GB2244170A (en) 1991-11-20
HK88595A (en) 1995-06-09
GB2206723A (en) 1989-01-11

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