FR2279191A1 - Servosysteme pour commander la position d'une tete de lecture magnetique - Google Patents

Servosysteme pour commander la position d'une tete de lecture magnetique

Info

Publication number
FR2279191A1
FR2279191A1 FR7521886A FR7521886A FR2279191A1 FR 2279191 A1 FR2279191 A1 FR 2279191A1 FR 7521886 A FR7521886 A FR 7521886A FR 7521886 A FR7521886 A FR 7521886A FR 2279191 A1 FR2279191 A1 FR 2279191A1
Authority
FR
France
Prior art keywords
servosystem
controlling
reading head
magnetic reading
magnetic
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
FR7521886A
Other languages
English (en)
Other versions
FR2279191B1 (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 NL7409513A external-priority patent/NL7409513A/xx
Priority claimed from NL7500395A external-priority patent/NL7500395A/xx
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2279191A1 publication Critical patent/FR2279191A1/fr
Application granted granted Critical
Publication of FR2279191B1 publication Critical patent/FR2279191B1/fr
Granted 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
    • G11B5/584—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 tapes
    • G11B5/588—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 tapes by controlling the position of the rotating heads
    • 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
    • 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
    • G11B5/584—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 tapes
FR7521886A 1974-07-15 1975-07-11 Servosysteme pour commander la position d'une tete de lecture magnetique Granted FR2279191A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7409513A NL7409513A (en) 1974-07-15 1974-07-15 Servo system for controlling position of magnetic reading head - has selection signals written into data tracks with simultaneous reading of adjacent tracks
NL7500395A NL7500395A (en) 1975-01-14 1975-01-14 Servo system for position control of magnetic read head - uses a helical scan method with capstan hold for tape height feed to tape drum

Publications (2)

Publication Number Publication Date
FR2279191A1 true FR2279191A1 (fr) 1976-02-13
FR2279191B1 FR2279191B1 (fr) 1980-04-30

Family

ID=26645021

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7521886A Granted FR2279191A1 (fr) 1974-07-15 1975-07-11 Servosysteme pour commander la position d'une tete de lecture magnetique

Country Status (13)

Country Link
US (1) US4056832A (fr)
JP (1) JPS5134707A (fr)
AT (1) AT344798B (fr)
BE (1) BE831344A (fr)
CA (1) CA1067997A (fr)
CH (1) CH607211A5 (fr)
DE (1) DE2530482C2 (fr)
DK (1) DK142516B (fr)
ES (1) ES439357A1 (fr)
FR (1) FR2279191A1 (fr)
GB (1) GB1518822A (fr)
IT (1) IT1039244B (fr)
SE (2) SE7507961L (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2364523A1 (fr) * 1976-09-13 1978-04-07 Sony Corp Installation automatique de commande d'alignement dans un appareil de reproduction de signaux
FR2373119A1 (fr) * 1976-12-02 1978-06-30 Sony Corp Appareil de reproduction de signaux
FR2384320A1 (fr) * 1977-03-16 1978-10-13 Philips Nv Procede pour regler la position d'une tete d'enregistrement ou de lecture et dispositif pour l'executer
FR2384319A1 (fr) * 1977-03-14 1978-10-13 Basf Ag Asservissement pour le mecanisme de transport d'une bande d'enregistrement dans un systeme de reproduction de signaux a large bande
FR2401574A1 (fr) * 1977-08-26 1979-03-23 Sony Corp Installation pour la reproduction d'un signal video enregistre sur des portions de pistes paralleles
FR2416523A1 (fr) * 1978-02-06 1979-08-31 Philips Nv Procede pour regler la position d'une tete inscription-lecture et dispositif permettant la mise en oeuvre de ce procede
FR2438399A1 (fr) * 1975-10-14 1980-04-30 Sony Corp Installation de reproduction de signaux video
EP0021971A1 (fr) * 1979-06-18 1981-01-07 Société SCOME FRANCE Procédé de contrôle de lecture d'un enregistrement sonore par association d'un signal auxilaire à cet enregistrement
FR2460021A1 (fr) * 1979-06-22 1981-01-16 Philips Nv Dispositif pour la lecture d'information
FR2502876A1 (fr) * 1981-03-25 1982-10-01 Philips Nv Appareil de lecture destine notamment a la lecture de bandes pour magnetoscope
FR2511171A1 (fr) * 1981-08-10 1983-02-11 Ampex Appareil et procede pour determiner la position d'une tete de lecture

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7600470A (nl) * 1976-01-17 1977-07-19 Philips Nv Servosysteem voor het sturen van de positie van een magneetkop ten opzichte van een te volgen spoor.
US4321621A (en) * 1976-04-08 1982-03-23 Victor Company Of Japan, Ltd. High density recording system using side-by-side information and servo tracks
US4404599A (en) * 1976-04-08 1983-09-13 Victor Company Of Japan, Ltd. Laser recording information and pilot signals for tracking on a grooveless recording
GB1585546A (en) * 1976-04-08 1981-03-04 Victor Company Of Japan Information signal recording system
US4322836A (en) * 1976-04-08 1982-03-30 Victor Company Of Japan, Ltd. High density recording system using side-by side information and servo tracks
AT346089B (de) * 1976-07-30 1978-10-25 Philips Nv Wiedergabegeraet
JPS5326107A (en) * 1976-08-24 1978-03-10 Sony Corp Tracking correcting apparatus
JPS5335511A (en) * 1976-09-13 1978-04-03 Sony Corp Recorder-reproducer for picture signal
JPS5921104B2 (ja) * 1977-03-08 1984-05-17 日本ビクター株式会社 情報記録媒体再生装置におけるトラッキングサ−ボ装置
JPS5823998B2 (ja) * 1977-03-08 1983-05-18 日本ビクター株式会社 情報信号記録方法
US4141047A (en) * 1977-09-12 1979-02-20 Sony Corporation Method and apparatus for correcting tracking errors of a transducer which scans parallel record tracks
US4318142A (en) * 1978-03-23 1982-03-02 Ampex Corporation Automatically compensated movable head servo circuit and method
JPS54138324A (en) * 1978-04-19 1979-10-26 Sony Corp Magnetic recording and reproducing unit
NL7808639A (nl) * 1978-08-22 1980-02-26 Philips Nv Werkwijze voor het positioneren van weergeefelementen en een inrichting voor het uitvoeren van de werkwijze.
NL7812286A (nl) * 1978-12-19 1980-06-23 Philips Nv Werkwijze voor het lezen en/of schrijven van informatie en een inrichting voor het uitvoeren van de werkwijze.
SU830917A1 (ru) * 1979-08-16 1983-02-07 Предприятие П/Я Р-6707 Блок вращающихс магнитных головок
JPS5683836A (en) * 1979-12-10 1981-07-08 Victor Co Of Japan Ltd Magnetic recording and reproducing device
JPS5753823A (en) * 1980-09-17 1982-03-31 Matsushita Electric Ind Co Ltd Tracking control system
US4414586A (en) * 1980-10-07 1983-11-08 Victor Company Of Japan, Ltd. Pilot signal recording and reproducing system
JPS5835769A (ja) * 1981-08-24 1983-03-02 Hitachi Ltd 磁気デイスク装置
JPS58147847A (ja) * 1982-02-26 1983-09-02 Olympus Optical Co Ltd トラツキング情報検出装置
JPS58150162A (ja) * 1982-03-03 1983-09-06 Hitachi Ltd 磁気記録再生装置
CA1210147A (fr) * 1982-03-18 1986-08-19 Hiroshi Yoshioka Dispositif de centrage
JPS58194480A (ja) * 1982-05-07 1983-11-12 Matsushita Electric Ind Co Ltd 磁気録画再生装置
US4613912A (en) * 1982-09-10 1986-09-23 Hitachi, Ltd. Recording and reproducing apparatus for a video tape recorder
JPS59110062A (ja) * 1982-12-13 1984-06-25 Canon Inc 情報信号記録再生装置
EP0119805B1 (fr) * 1983-03-11 1989-09-06 Mitsubishi Denki Kabushiki Kaisha Détecteur de position d'arrêt de ruban et appareil magnétique de reproduction vidéo utilisant ce détecteur
DE3475977D1 (en) * 1983-04-12 1989-02-09 Victor Company Of Japan Recording and/or reproducing apparatus with tracking servo-mechanism responsive to fm crosstalk components
US4680648A (en) * 1983-10-24 1987-07-14 Canon Kabushiki Kaisha Information signal reproducing apparatus
JPS60140554A (ja) * 1983-12-28 1985-07-25 Canon Inc ビデオ信号再生装置
US4587581A (en) * 1985-01-07 1986-05-06 Datatape, Inc. Magnetic tape tracking control apparatus
JPH0630193B2 (ja) * 1986-01-24 1994-04-20 株式会社日立製作所 磁気録画再生装置
US5280399A (en) * 1988-10-25 1994-01-18 Canon Kabushiki Kaisha Video signal recording apparatus
US5933290A (en) * 1995-11-21 1999-08-03 Onstream Inc. Recording an information signal on a record carrier provided with tracking signals

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL288467A (fr) * 1962-02-05
GB987357A (en) * 1962-11-30 1965-03-24 Ibm Memory system employing a magnetic recording medium
JPS5620622B2 (fr) * 1972-12-14 1981-05-14

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438399A1 (fr) * 1975-10-14 1980-04-30 Sony Corp Installation de reproduction de signaux video
FR2364523A1 (fr) * 1976-09-13 1978-04-07 Sony Corp Installation automatique de commande d'alignement dans un appareil de reproduction de signaux
FR2373119A1 (fr) * 1976-12-02 1978-06-30 Sony Corp Appareil de reproduction de signaux
FR2384319A1 (fr) * 1977-03-14 1978-10-13 Basf Ag Asservissement pour le mecanisme de transport d'une bande d'enregistrement dans un systeme de reproduction de signaux a large bande
FR2384320A1 (fr) * 1977-03-16 1978-10-13 Philips Nv Procede pour regler la position d'une tete d'enregistrement ou de lecture et dispositif pour l'executer
FR2401574A1 (fr) * 1977-08-26 1979-03-23 Sony Corp Installation pour la reproduction d'un signal video enregistre sur des portions de pistes paralleles
FR2416523A1 (fr) * 1978-02-06 1979-08-31 Philips Nv Procede pour regler la position d'une tete inscription-lecture et dispositif permettant la mise en oeuvre de ce procede
EP0021971A1 (fr) * 1979-06-18 1981-01-07 Société SCOME FRANCE Procédé de contrôle de lecture d'un enregistrement sonore par association d'un signal auxilaire à cet enregistrement
FR2460021A1 (fr) * 1979-06-22 1981-01-16 Philips Nv Dispositif pour la lecture d'information
FR2502876A1 (fr) * 1981-03-25 1982-10-01 Philips Nv Appareil de lecture destine notamment a la lecture de bandes pour magnetoscope
FR2511171A1 (fr) * 1981-08-10 1983-02-11 Ampex Appareil et procede pour determiner la position d'une tete de lecture

Also Published As

Publication number Publication date
DE2530482A1 (de) 1976-01-29
DK142516C (fr) 1981-06-29
JPS5134707A (fr) 1976-03-24
DK142516B (da) 1980-11-10
ATA540675A (de) 1977-12-15
US4056832A (en) 1977-11-01
FR2279191B1 (fr) 1980-04-30
CA1067997A (fr) 1979-12-11
ES439357A1 (es) 1977-02-16
SE7507961L (sv) 1976-01-16
GB1518822A (en) 1978-07-26
DK316875A (fr) 1976-01-16
IT1039244B (it) 1979-12-10
CH607211A5 (fr) 1978-11-30
BE831344A (fr) 1976-01-14
SE409921B (sv) 1979-09-10
AT344798B (de) 1978-08-10
DE2530482C2 (de) 1984-11-15

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Legal Events

Date Code Title Description
DR Decision of the appeal court due to an appeal at law against decisions of the director of the inpi, except decision of lapse
CD Change of name or company name