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KR860007638A - 자기 디스크 장치 - Google Patents

자기 디스크 장치 Download PDF

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Publication number
KR860007638A
KR860007638A KR1019860001723A KR860001723A KR860007638A KR 860007638 A KR860007638 A KR 860007638A KR 1019860001723 A KR1019860001723 A KR 1019860001723A KR 860001723 A KR860001723 A KR 860001723A KR 860007638 A KR860007638 A KR 860007638A
Authority
KR
South Korea
Prior art keywords
data
positioning
track
transducer
magnetic disk
Prior art date
Application number
KR1019860001723A
Other languages
English (en)
Other versions
KR940005561B1 (ko
Inventor
히로아끼 야다
시게요시 이마고시
히데오 스야마
데쓰오 세끼야
마사유끼 나까야마
Original Assignee
쏘니 가부시기가이샤
오오가 노리오
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 JP60047951A external-priority patent/JPS61206916A/ja
Priority claimed from JP60050808A external-priority patent/JPS61210515A/ja
Priority claimed from JP60050807A external-priority patent/JPS61210514A/ja
Priority claimed from JP60060109A external-priority patent/JPS61217972A/ja
Application filed by 쏘니 가부시기가이샤, 오오가 노리오 filed Critical 쏘니 가부시기가이샤
Publication of KR860007638A publication Critical patent/KR860007638A/ko
Application granted granted Critical
Publication of KR940005561B1 publication Critical patent/KR940005561B1/ko

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Classifications

    • 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
    • G11B5/58—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 with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—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 with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on 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
    • G11B5/58—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 with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—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 with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • G11B5/59633—Servo formatting
    • G11B5/59655—Sector, sample or burst servo format

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)

Abstract

내용 없음

Description

자기 디스크 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본원 발명에 의한 자기디스크장치의 트래킹 서어보 장치에 대한 한 실시예를 나타내는 회로구성도.
제2도 및 제3A도 내지 제3C도는 제1도에 도시된 발명의 트래킹 서어보장치의 동작상태를 설명하기 위하여 사용되는 신호파형도.

Claims (4)

  1. 자기디스크의 표면의 복수의 동심 데이터트랙에 대하여 데이터 변화기수단을 위치결정하기 위한 서어보시스템에 있어서, (a) 데이터트랙을 감지하며 : 감지된 트랙위에 기록된 데이터신호와 상기 데이터트랙의 치수에 관계된 서어보변환기 사이의 거리와, 서어보변환기와 이테터트랙피치에 관계된 상기 데이터 변환기 사이의 거리를 표시하는 출력신호를 발생시키는 한쌍의 서어보변환기와, (b) 변환기 위치결정신호를 발생시키기 위하여 상기 한쌍의 서어보변환기에 접속된 신호처리수단과, (c) 상기 변환기 위치결정신호에 따라서 상기 데이터변환기 수단을 위치결정하며, 상기 데이터변환기 수단의 트랙중심 선정렬을 유지하기 위한 위치결정수단으로 이루어지는 자기디스크장치.
  2. 제1항에 있어서, 자기디스크의 다른 표면의 복수의 동심데이터트랙에 대하여 다른 데이터변환기 수단이 설치되며, 상기 위치결정 수단은 해독 및 또는 기록동작으로 상기 다른 데이터변환기수단의 트랙중심선정렬을 실현하는 것을 특징으로 하는 자기디스크장치.
  3. 제1항에 있어서, 상기 신호처리수단은 상기 데이터변환기 수단의 기록동작전에 상기 변환기위치결정신호를 샘플링 및 호울딩하며, 상기 데이터변환기 수단의 기록동작중, 상기 위치 결정수단에 상기 샘플 및 호울드된 신호를 공급하는 샘플 및 호울드수단을 포함하는 것을 특징으로 하는 자기 디스크장치.
  4. 제1항에 있어서, 상기 데이터트랙은 그 사이에 갭부분을 포함하는 복수의 데이터색터로 분할되며, 상기 신호처리수단은 상기 갭부분에서 꺼내지는 상기 변환기위치결정신호를 샘플링 및 호울딩하고, 상기 위치결정수단에 상기 샘플 및 호울드된 신호를 공급하여, 상기 데이터섹터위에의 상기 데이터변환기수단의 트랙중심선정렬이 상기 샘플 및 호울드된 신호에 의해 유지되는 샘플 및 호울드수단을 포함하는 것을 특징으로 하는 자기디스크장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019860001723A 1985-03-11 1986-03-11 자기디스크장치 KR940005561B1 (ko)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
JP85-47951 1985-03-11
JP47951 1985-03-11
JP60047951A JPS61206916A (ja) 1985-03-11 1985-03-11 磁気デイスク装置
JP60050808A JPS61210515A (ja) 1985-03-14 1985-03-14 磁気デイスク装置
JP50807 1985-03-14
JP85-50808 1985-03-14
JP60050807A JPS61210514A (ja) 1985-03-14 1985-03-14 磁気デイスク装置
JP85-50807 1985-03-14
JP50808 1985-03-14
JP60109 1985-03-25
JP85-60109 1985-03-25
JP60060109A JPS61217972A (ja) 1985-03-25 1985-03-25 磁気デイスク装置

Publications (2)

Publication Number Publication Date
KR860007638A true KR860007638A (ko) 1986-10-15
KR940005561B1 KR940005561B1 (ko) 1994-06-20

Family

ID=27462129

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860001723A KR940005561B1 (ko) 1985-03-11 1986-03-11 자기디스크장치

Country Status (5)

Country Link
US (1) US4701815A (ko)
EP (1) EP0194641A3 (ko)
KR (1) KR940005561B1 (ko)
AU (1) AU582836B2 (ko)
CA (1) CA1303733C (ko)

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JPS62298064A (ja) * 1986-06-16 1987-12-25 Sony Corp ハ−ドデイスクドライブのサ−ボ回路
US4760319A (en) * 1987-02-27 1988-07-26 Magnetic Peripherals Inc. Circuit for removing unwanted slope transitions from an incoming signal
US4796125A (en) * 1987-08-10 1989-01-03 Eastman Kodak Company Optimizing the positioning of a pair of magnetic heads relative to spaced tracks on magnetic tape
US4933795A (en) * 1987-12-07 1990-06-12 Fujitsu America, Inc. Floppy disc read and write head having two separate read and write cores for multiple track density and recording frequencies
US5001579A (en) * 1988-05-27 1991-03-19 Eastman Kodak Company Method and apparatus for centering a transducer over a recorded track on a rotary storage medium
KR920001156B1 (ko) * 1988-07-13 1992-02-06 삼성전자 주식회사 컴퓨터용 자기헤드
US4918972A (en) * 1988-11-10 1990-04-24 Brier Technology, Inc. Dual reference track scheme
US4924160A (en) * 1989-01-09 1990-05-08 Alps Electric Co., Ltd. Staggered seeking method for disk drive sector servo
JP2541660B2 (ja) * 1989-06-26 1996-10-09 株式会社日立製作所 位置情報書込方式および装置
EP0423661A3 (en) * 1989-10-20 1993-08-04 Insite Peripherals, Inc. Dual magnetic head and method for writing on very high track density and conventional track density floppy disk
US5235478A (en) * 1989-12-15 1993-08-10 Sony Corporation Disc drive apparatus with servo tracks offset from data tracks
JPH03290816A (ja) * 1990-04-06 1991-12-20 Sony Corp 記録再生装置及びその記録媒体
TW243530B (en) * 1992-12-30 1995-03-21 Ibm Magnetoresistive sensor with improved microtrack profile for improved servo-positioning precision
JPH06259714A (ja) * 1993-03-09 1994-09-16 Hitachi Ltd 磁気ディスク装置
JP3588149B2 (ja) * 1994-11-08 2004-11-10 富士通株式会社 記録再生装置及びこれに使用されるヘッド
KR0182951B1 (ko) * 1995-11-27 1999-04-15 김광호 하드디스트 드라이브에 있어서 자체적인 서보라이팅 방법 및 장치
US6104562A (en) * 1997-04-03 2000-08-15 International Business Machines Corporation Multiple element transducer for magnetic recording
US6266205B1 (en) * 1998-03-10 2001-07-24 Maxtor Corporation Parallel servo with ultra high bandwidth off-track detection
USRE40413E1 (en) * 1998-11-06 2008-07-01 Purchased Patent Management Llc Method and apparatus for developing a dynamic servo signal from data
US6381088B1 (en) 1998-11-06 2002-04-30 Acorn Technologies, Inc. Apparatus for developing a dynamic servo signal from data in a magnetic disc drive and method
US6606216B1 (en) * 1999-05-05 2003-08-12 Maxtor Corporation Transducer head with separate data and servo read elements
US6594103B1 (en) 1999-11-12 2003-07-15 Acorn Technologies, Inc. Read channel generating absolute value servo signal
US6545836B1 (en) 1999-11-12 2003-04-08 Acorn Technologies, Inc. Servo control apparatus and method using absolute value input signals
JP3776797B2 (ja) * 2001-12-28 2006-05-17 株式会社東芝 磁気記録再生装置
EP1566804A4 (en) * 2002-11-29 2008-04-16 Fujitsu Ltd DATA COLLECTION AND REPRODUCTION DEVICE AND DATA COLLECTION AND REPRODUCTION METHOD
JP5658512B2 (ja) * 2010-08-31 2015-01-28 富士フイルム株式会社 サーボ信号が書き込まれた磁気テープの製造方法およびサーボライタ
JP6794393B2 (ja) * 2018-03-01 2020-12-02 株式会社東芝 磁気ディスク装置、及びアクチュエータの制御方法
JP2022025918A (ja) * 2020-07-30 2022-02-10 株式会社東芝 磁気ディスク装置

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US3034111A (en) * 1958-11-24 1962-05-08 Ibm Data storage system
FR1343008A (fr) * 1962-10-06 1963-11-15 Schlumberger Prospection Perfectionnements aux dispositifs d'enregistrement magnétique
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Also Published As

Publication number Publication date
KR940005561B1 (ko) 1994-06-20
AU5449386A (en) 1986-09-18
US4701815A (en) 1987-10-20
CA1303733C (en) 1992-06-16
EP0194641A3 (en) 1987-11-11
AU582836B2 (en) 1989-04-13
EP0194641A2 (en) 1986-09-17

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