FR2272462A1 - - Google Patents

Info

Publication number
FR2272462A1
FR2272462A1 FR7441621A FR7441621A FR2272462A1 FR 2272462 A1 FR2272462 A1 FR 2272462A1 FR 7441621 A FR7441621 A FR 7441621A FR 7441621 A FR7441621 A FR 7441621A FR 2272462 A1 FR2272462 A1 FR 2272462A1
Authority
FR
France
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.)
Granted
Application number
FR7441621A
Other languages
French (fr)
Other versions
FR2272462B1 (xx
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2272462A1 publication Critical patent/FR2272462A1/fr
Application granted granted Critical
Publication of FR2272462B1 publication Critical patent/FR2272462B1/fr
Expired legal-status Critical Current

Links

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
    • G11B5/59605—Circuits
    • G11B5/59622—Gain control; Filters
FR7441621A 1973-12-27 1974-10-30 Expired FR2272462B1 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732364784 DE2364784A1 (de) 1973-12-27 1973-12-27 Spurnachlaufsteuerung fuer einen magnetplattenspeicher

Publications (2)

Publication Number Publication Date
FR2272462A1 true FR2272462A1 (xx) 1975-12-19
FR2272462B1 FR2272462B1 (xx) 1976-10-22

Family

ID=5902072

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7441621A Expired FR2272462B1 (xx) 1973-12-27 1974-10-30

Country Status (5)

Country Link
JP (1) JPS528687B2 (xx)
DE (1) DE2364784A1 (xx)
FR (1) FR2272462B1 (xx)
GB (1) GB1489078A (xx)
IT (1) IT1025685B (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2428361A1 (fr) * 1978-06-09 1980-01-04 Hitachi Ltd Methode et dispositif d'enregistrement et de reproduction d'informations

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151570A (en) * 1976-03-22 1979-04-24 Ampex Corporation Automatic scan tracking using a magnetic head supported by a piezoelectric bender element
GB1520350A (en) * 1976-12-22 1978-08-09 Ibm Data storage apparatus
US4380033A (en) * 1979-07-19 1983-04-12 Burroughs Corporation Disc-drive head positioning systems
DE3275670D1 (en) * 1982-06-18 1987-04-16 Ibm Head positioning system with automatic gain control
US4454549A (en) * 1982-06-28 1984-06-12 International Business Machines Corporation Slant track sector servo
JPS62227282A (ja) * 1986-03-28 1987-10-06 Victor Co Of Japan Ltd 複合映像信号の駒撮り記録装置
US4868678A (en) * 1986-03-28 1989-09-19 Victor Company Of Japan, Ltd. Apparatus for recording a video signal of consecutive fields on a pair of separated tracks
JPH0236977U (xx) * 1988-09-01 1990-03-12
US4890172A (en) * 1988-09-27 1989-12-26 Digital Equipment Corporation Automatic servo gain calibration system for a disk drive
US5708581A (en) * 1996-07-12 1998-01-13 Hewlett-Packard Company Method for maximizing feedforward orthogonality for minimizing servo system nuller instability

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2428361A1 (fr) * 1978-06-09 1980-01-04 Hitachi Ltd Methode et dispositif d'enregistrement et de reproduction d'informations

Also Published As

Publication number Publication date
IT1025685B (it) 1978-08-30
FR2272462B1 (xx) 1976-10-22
GB1489078A (en) 1977-10-19
JPS5099515A (xx) 1975-08-07
JPS528687B2 (xx) 1977-03-10
DE2364784A1 (de) 1975-07-03

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Legal Events

Date Code Title Description
ST Notification of lapse