FR2407545A1 - Montage permettant d'exploiter des signaux d'asservissement delivres par un disque magnetique d'une memoire a disques et constitues de plusieurs oscillations - Google Patents

Montage permettant d'exploiter des signaux d'asservissement delivres par un disque magnetique d'une memoire a disques et constitues de plusieurs oscillations

Info

Publication number
FR2407545A1
FR2407545A1 FR7829764A FR7829764A FR2407545A1 FR 2407545 A1 FR2407545 A1 FR 2407545A1 FR 7829764 A FR7829764 A FR 7829764A FR 7829764 A FR7829764 A FR 7829764A FR 2407545 A1 FR2407545 A1 FR 2407545A1
Authority
FR
France
Prior art keywords
magnetic disk
exploit
constitute
disk
track
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.)
Granted
Application number
FR7829764A
Other languages
English (en)
Other versions
FR2407545B1 (fr
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of FR2407545A1 publication Critical patent/FR2407545A1/fr
Application granted granted Critical
Publication of FR2407545B1 publication Critical patent/FR2407545B1/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

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)

Abstract

L'INVENTION CONCERNE UN MONTAGE PERMETTANT D'EXPLOITER DES SIGNAUX D'ASSERVISSEMENT DELIVRES PAR UN DISQUE MAGNETIQUE D'UNE MEMOIRE A DISQUES ET CONSTITUES DE PLUSIEURS OSCILLATIONS. CE MONTAGE COMPORTE UN CIRCUIT D'ENTREEET, QUI RECOIT LES SIGNAUX D'ASSERVISSEMENTSD, SC ET QUI SUPPRIME LES OSCILLATIONS CARACTERISANT LA POSITION DES PISTES SUR DISQUES D'UNE MEMOIRE ET DELIVRE DES SIGNAUX DE SORTIE A UN CIRCUITMU D'IDENTIFICATION DE MODELE, DIRECTEMENT ET PAR L'INTERMEDIAIRE D'UN CIRCUIT DE REGULATION DE PHASEPH OU D'UN GENERATEUR DE CADENCETER, LE CIRCUITMU DELIVRANT DES SIGNAUX DE SORTIENX AU MOYEN DESQUELS DES SIGNAUX D'ASSERVISSEMENT POSSEDANT DES STRUCTURES DIFFERENTES SONT AFFICHES. APPLICATION NOTAMMENT A LA SERVOCOMMANDE DE TETES MAGNETIQUES DE MEMOIRES A DISQUES.
FR7829764A 1977-10-26 1978-10-19 Montage permettant d'exploiter des signaux d'asservissement delivres par un disque magnetique d'une memoire a disques et constitues de plusieurs oscillations Expired FR2407545B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2748042A DE2748042C2 (de) 1977-10-26 1977-10-26 Schaltungsanordnung zur Auswertung von von Servospuren einer Magnetplatte eines Plattenspeichers gelieferten aus mehreren Schwingungen bestehenden Servosignalen

Publications (2)

Publication Number Publication Date
FR2407545A1 true FR2407545A1 (fr) 1979-05-25
FR2407545B1 FR2407545B1 (fr) 1985-08-09

Family

ID=6022328

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7829764A Expired FR2407545B1 (fr) 1977-10-26 1978-10-19 Montage permettant d'exploiter des signaux d'asservissement delivres par un disque magnetique d'une memoire a disques et constitues de plusieurs oscillations

Country Status (7)

Country Link
AT (1) AT371625B (fr)
BE (1) BE871569A (fr)
CH (1) CH636718A5 (fr)
DE (1) DE2748042C2 (fr)
FR (1) FR2407545B1 (fr)
IT (1) IT1100145B (fr)
NL (1) NL7807042A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5832274A (ja) * 1981-08-18 1983-02-25 Victor Co Of Japan Ltd 円盤状情報記録媒体再生装置のフイ−ド送り速度切換回路

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2007152A1 (fr) * 1968-04-29 1970-01-02 Ibm
US3593333A (en) * 1969-11-26 1971-07-13 Ibm Position detection for a track following servo system
US3699555A (en) * 1970-10-23 1972-10-17 Zerox Corp Apparatus for rapid action displacement control
FR2296905A1 (fr) * 1974-12-31 1976-07-30 Ibm Reseau d'equilibrage de servo-pistes
DE2629710A1 (de) * 1975-07-24 1977-01-27 Ibm Magnetplattenspeicher
US4027338A (en) * 1975-04-28 1977-05-31 Burroughs Corporation Transducer positioning system for providing coarse positioning
FR2383496A1 (fr) * 1977-03-10 1978-10-06 Philips Nv Memoire a disque magnetique et disque magnetique pour cette memoire

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614756A (en) * 1970-01-21 1971-10-19 Ibm Magnetic record with servo track perpendicular to information track
US3668647A (en) * 1970-06-12 1972-06-06 Ibm File access system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2007152A1 (fr) * 1968-04-29 1970-01-02 Ibm
US3593333A (en) * 1969-11-26 1971-07-13 Ibm Position detection for a track following servo system
FR2071751A5 (fr) * 1969-11-26 1971-09-17 Ibm
US3699555A (en) * 1970-10-23 1972-10-17 Zerox Corp Apparatus for rapid action displacement control
FR2296905A1 (fr) * 1974-12-31 1976-07-30 Ibm Reseau d'equilibrage de servo-pistes
US4027338A (en) * 1975-04-28 1977-05-31 Burroughs Corporation Transducer positioning system for providing coarse positioning
DE2629710A1 (de) * 1975-07-24 1977-01-27 Ibm Magnetplattenspeicher
FR2319179A1 (fr) * 1975-07-24 1977-02-18 Ibm Memoire a disques comportant un systeme d'asservissement de position
FR2383496A1 (fr) * 1977-03-10 1978-10-06 Philips Nv Memoire a disque magnetique et disque magnetique pour cette memoire

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
EXBK/69 *
EXBK/73 *

Also Published As

Publication number Publication date
DE2748042C2 (de) 1983-02-17
BE871569A (fr) 1979-04-26
FR2407545B1 (fr) 1985-08-09
CH636718A5 (en) 1983-06-15
ATA757778A (de) 1982-11-15
NL7807042A (nl) 1979-05-01
IT7829078A0 (it) 1978-10-25
IT1100145B (it) 1985-09-28
DE2748042A1 (de) 1979-05-10
AT371625B (de) 1983-07-11

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Legal Events

Date Code Title Description
ST Notification of lapse