DK142516B - Styresystem til styring af positionen af et læsehoved. - Google Patents

Styresystem til styring af positionen af et læsehoved. Download PDF

Info

Publication number
DK142516B
DK142516B DK316875AA DK316875A DK142516B DK 142516 B DK142516 B DK 142516B DK 316875A A DK316875A A DK 316875AA DK 316875 A DK316875 A DK 316875A DK 142516 B DK142516 B DK 142516B
Authority
DK
Denmark
Prior art keywords
track
tracks
signal
positioning signals
head
Prior art date
Application number
DK316875AA
Other languages
Danish (da)
English (en)
Other versions
DK142516C (fr
DK316875A (fr
Inventor
Jacob De Boer
Anthonie Walraven
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of DK316875A publication Critical patent/DK316875A/da
Publication of DK142516B publication Critical patent/DK142516B/da
Application granted granted Critical
Publication of DK142516C publication Critical patent/DK142516C/da

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

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Control Of Velocity Or Acceleration (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
DK316875AA 1974-07-15 1975-07-11 Styresystem til styring af positionen af et læsehoved. DK142516B (da)

Applications Claiming Priority (4)

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
NL7409513 1974-07-15
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
NL7500395 1975-01-14

Publications (3)

Publication Number Publication Date
DK316875A DK316875A (fr) 1976-01-16
DK142516B true DK142516B (da) 1980-11-10
DK142516C DK142516C (fr) 1981-06-29

Family

ID=26645021

Family Applications (1)

Application Number Title Priority Date Filing Date
DK316875AA DK142516B (da) 1974-07-15 1975-07-11 Styresystem til styring af positionen af et læsehoved.

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) SE409921B (fr)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6059787B2 (ja) * 1975-10-14 1985-12-26 ソニー株式会社 映像信号再生装置
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.
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
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
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
GB1585546A (en) * 1976-04-08 1981-03-04 Victor Company Of Japan Information signal recording system
AT346089B (de) * 1976-07-30 1978-10-25 Philips Nv Wiedergabegeraet
JPS5326107A (en) * 1976-08-24 1978-03-10 Sony Corp Tracking correcting apparatus
JPS6032258B2 (ja) * 1976-09-13 1985-07-26 ソニー株式会社 自動トラツキング制御装置
JPS5335511A (en) * 1976-09-13 1978-04-03 Sony Corp Recorder-reproducer for picture signal
JPS6031009B2 (ja) * 1976-12-02 1985-07-19 ソニー株式会社 自動トラツキング装置
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
US4123773A (en) * 1977-03-14 1978-10-31 Basf Aktiengesellschaft Servo arrangement for the recording tape drive in broadband signal reproducing systems
NL7702815A (nl) * 1977-03-16 1978-09-19 Philips Nv Werkwijze voor het regelen van de positie van een schrijf- respektievelijk leeskop en een inrichting voor het uitvoeren van de werkwijze.
JPS5436709A (en) * 1977-08-26 1979-03-17 Sony Corp Position control circuit for rotary magnetic head
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
NL7801318A (nl) * 1978-02-06 1979-08-08 Philips Nv Werkwijze voor het regelen van de positie van een schrijf-leeskop en inrichting voor het uitvoeren van de werkwijze.
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.
FR2459532B1 (fr) * 1979-06-18 1987-07-31 Quadrivium Tech Avancees Procede pour associer une information auxiliaire a une information principale enregistree et application au controle de la reproduction d'information enregistree
NL7904885A (nl) * 1979-06-22 1980-12-24 Philips Nv Inrichting voor het uitlezen van informatie.
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
AT368822B (de) * 1981-03-25 1982-11-10 Philips Nv Wiedergabegeraet
US4432026A (en) * 1981-08-10 1984-02-14 Ampex Corporation Apparatus and method for determining read head position
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
BE640044A (fr) * 1962-11-30 1964-03-16
JPS5620622B2 (fr) * 1972-12-14 1981-05-14

Also Published As

Publication number Publication date
CA1067997A (fr) 1979-12-11
FR2279191A1 (fr) 1976-02-13
DK142516C (fr) 1981-06-29
DE2530482C2 (de) 1984-11-15
DK316875A (fr) 1976-01-16
GB1518822A (en) 1978-07-26
ES439357A1 (es) 1977-02-16
ATA540675A (de) 1977-12-15
JPS5134707A (fr) 1976-03-24
SE7507961L (sv) 1976-01-16
DE2530482A1 (de) 1976-01-29
BE831344A (fr) 1976-01-14
IT1039244B (it) 1979-12-10
AT344798B (de) 1978-08-10
SE409921B (sv) 1979-09-10
FR2279191B1 (fr) 1980-04-30
CH607211A5 (fr) 1978-11-30
US4056832A (en) 1977-11-01

Similar Documents

Publication Publication Date Title
DK142516B (da) Styresystem til styring af positionen af et læsehoved.
US4110799A (en) Servo system for controlling the position of a magnetic head relative to a track to be followed using periodically interrupted long-wave positioning signals
US2496103A (en) Indexing and speed control system for magnetic reproducers
US4481615A (en) Motor controlling circuit of reproducing apparatus and method of controlling
GB2097968A (en) Information signal reproducing apparatus
US4691256A (en) Information reproducing apparatus
JPH04134670A (ja) データ記録再生装置
US4550393A (en) System for reproducing an address signal from each track turn during a search mode operation of a reproducing apparatus
US3764896A (en) Method of and device for measuring the length of a magnetizable tape
US4500981A (en) Jitter compensation system in a rotary recording medium reproducing apparatus
JPH0442732B2 (fr)
SU518406A1 (ru) Способ скоростного дефектоскопировани рельсов
SU1078465A1 (ru) Устройство воспроизведени информации с оптического носител
EP0030113A1 (fr) Détecteur de mode de temps d'enregistrement et enregistreur ou reproducteur de bande "vidéo" comportant un tel détecteur
JPS6019048B2 (ja) 情報再生方法及びその装置
SU982079A1 (ru) Устройство дл синхронизации информации,считываемой с магнитной ленты
JPS5843809B2 (ja) デ−タ記録方式
JPS61162882A (ja) 磁気記録再生装置
SU1056263A1 (ru) Способ автоматического регулировани скорости перемещени магнитной ленты в подводных геофизических станци х и устройство дл его осуществлени
SU557257A1 (ru) Устройство дл измерени деформаций магнитного диска
JPS60253050A (ja) 磁気記録再生装置
KR19980701249A (ko) 수직 기록 매체, 수직 기록 매체 재생 방법, 기록 장치, 및 판독 장치
JPS6350950A (ja) テ−プレコ−ダ
SU871204A1 (ru) Способ установки блока магнитных головок
JPS5847775B2 (ja) 磁気テ−プの走行速度制御装置

Legal Events

Date Code Title Description
PBP Patent lapsed
PBP Patent lapsed