JPH0326443B2 - - Google Patents

Info

Publication number
JPH0326443B2
JPH0326443B2 JP57147488A JP14748882A JPH0326443B2 JP H0326443 B2 JPH0326443 B2 JP H0326443B2 JP 57147488 A JP57147488 A JP 57147488A JP 14748882 A JP14748882 A JP 14748882A JP H0326443 B2 JPH0326443 B2 JP H0326443B2
Authority
JP
Japan
Prior art keywords
data
track
tracks
disk
density
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 - Lifetime
Application number
JP57147488A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5845606A (ja
Inventor
Esu Reinoruzu Robaato
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.)
Hewlett Packard Japan Inc
Original Assignee
Yokogawa Hewlett Packard Ltd
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 Yokogawa Hewlett Packard Ltd filed Critical Yokogawa Hewlett Packard Ltd
Publication of JPS5845606A publication Critical patent/JPS5845606A/ja
Publication of JPH0326443B2 publication Critical patent/JPH0326443B2/ja
Granted 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
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/003—Disposition of fixed heads, e.g. for scanning, selecting or following of tracks
    • 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
    • G11B5/58—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

Landscapes

  • Digital Magnetic Recording (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP57147488A 1981-08-25 1982-08-25 情報転送装置 Granted JPS5845606A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/296,083 US4422110A (en) 1981-08-25 1981-08-25 Method and apparatus for multi-track data translation on a disc
US296083 1981-08-25

Publications (2)

Publication Number Publication Date
JPS5845606A JPS5845606A (ja) 1983-03-16
JPH0326443B2 true JPH0326443B2 (enExample) 1991-04-10

Family

ID=23140535

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57147488A Granted JPS5845606A (ja) 1981-08-25 1982-08-25 情報転送装置

Country Status (2)

Country Link
US (1) US4422110A (enExample)
JP (1) JPS5845606A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4714967A (en) * 1985-11-14 1987-12-22 Eastman Kodak Company Binarily related variable rate recorder
JPH0772925B2 (ja) * 1985-11-15 1995-08-02 株式会社日立製作所 磁気記録装置
US4750059A (en) * 1986-08-25 1988-06-07 Eastman Kodak Company Data recording format for an information-bearing disk
US4799112A (en) * 1987-02-19 1989-01-17 Magnetic Peripherals Inc. Method and apparatus for recording data
US5258876A (en) * 1991-09-16 1993-11-02 Seagate Technology, Inc. Zone bit recording with write compensation
US5293565A (en) * 1992-02-04 1994-03-08 International Business Machines Corporation Fortmat for data-storing disk media wherein addressable track angular length is independent of disk revolutions
CA2138301C (en) * 1994-01-21 1998-12-15 Hal Hjalmar Ottesen Apparatus and method for providing multimedia data

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831191A (en) * 1973-06-27 1974-08-20 Ibm Double-head configuration for magnetic disk for maximum density recording
JPS5545961B2 (enExample) * 1973-11-19 1980-11-20
US4001883A (en) * 1974-03-07 1977-01-04 Honeywell Information Systems, Inc. High density data storage on magnetic disk
JPS59887B2 (ja) * 1977-01-25 1984-01-09 日本電信電話株式会社 磁気デイスク記憶装置
FR2379112A1 (fr) * 1977-01-27 1978-08-25 Cii Honeywell Bull Mode d'ecriture d'informations concernant les defauts d'un support d'enregistrement magnetique
US4229808A (en) * 1978-12-21 1980-10-21 Ncr Corporation Method for recording multiple data segments on a storage disc with eccentricity factor
FR2445550A1 (fr) * 1978-12-29 1980-07-25 Cii Honeywell Bull Dispositif formateur pour memoire a disque
US4357635A (en) * 1979-03-20 1982-11-02 Ricoh Company, Ltd. Disc memory apparatus

Also Published As

Publication number Publication date
US4422110A (en) 1983-12-20
JPS5845606A (ja) 1983-03-16

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