CH619315A5 - - Google Patents

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Publication number
CH619315A5
CH619315A5 CH929077A CH929077A CH619315A5 CH 619315 A5 CH619315 A5 CH 619315A5 CH 929077 A CH929077 A CH 929077A CH 929077 A CH929077 A CH 929077A CH 619315 A5 CH619315 A5 CH 619315A5
Authority
CH
Switzerland
Prior art keywords
signal
track
tracks
magnetic heads
detection circuit
Prior art date
Application number
CH929077A
Other languages
German (de)
English (en)
Inventor
Harald Melwisch
Hendrikus Looren De Jong
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
Application filed by Philips Nv filed Critical Philips Nv
Publication of CH619315A5 publication Critical patent/CH619315A5/de

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
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/60—Guiding record carrier
    • G11B15/602—Guiding record carrier for track selection, acquisition or following

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Control Of Velocity Or Acceleration (AREA)
CH929077A 1976-07-30 1977-07-27 CH619315A5 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT567476A AT346089B (de) 1976-07-30 1976-07-30 Wiedergabegeraet

Publications (1)

Publication Number Publication Date
CH619315A5 true CH619315A5 (it) 1980-09-15

Family

ID=3578421

Family Applications (1)

Application Number Title Priority Date Filing Date
CH929077A CH619315A5 (it) 1976-07-30 1977-07-27

Country Status (12)

Country Link
US (1) US4297731A (it)
JP (1) JPS5317311A (it)
AT (1) AT346089B (it)
AU (1) AU513808B2 (it)
BE (1) BE857279A (it)
CA (1) CA1116290A (it)
CH (1) CH619315A5 (it)
DE (1) DE2732293A1 (it)
ES (1) ES461122A1 (it)
FR (1) FR2360222A1 (it)
GB (1) GB1554975A (it)
IT (1) IT1077429B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54117627A (en) * 1978-03-06 1979-09-12 Sony Corp Video signal reproducing device
JPS551724A (en) * 1978-06-19 1980-01-08 Sony Corp Video signal reproducing unit
DE2838003C3 (de) * 1978-08-31 1982-04-22 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig & Co KG, 8510 Fürth Anordnung zur Einregelung der exakten Spurlage
AU539426B2 (en) * 1979-03-15 1984-09-27 Sony Corporation Automatic head height control apparatus
JPS5683835A (en) * 1979-12-07 1981-07-08 Matsushita Electric Ind Co Ltd Tracking device
JPS56101621A (en) * 1980-01-17 1981-08-14 Victor Co Of Japan Ltd Tracking system of magnetic reproducing device
JPS572177A (en) * 1980-06-04 1982-01-07 Sony Corp Reproducing device of video signal
JPS5990477A (ja) * 1982-11-16 1984-05-24 Sony Corp ビデオ信号補正回路
DE3435649A1 (de) * 1984-09-28 1986-04-10 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Spurnachgesteuertes magnetbandgeraet mit querspuraufzeichnung
US4587581A (en) * 1985-01-07 1986-05-06 Datatape, Inc. Magnetic tape tracking control apparatus
US5212603A (en) * 1988-08-26 1993-05-18 Canon Kabushiki Kaisha Tracking control means for a multi-channel reproducing apparatus
EP0409548B1 (en) * 1989-07-21 1995-06-14 Matsushita Electric Industrial Co., Ltd. Tracking error detection system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3172949A (en) * 1965-03-09 Magnetic recording and reproduction
GB1042646A (en) * 1963-11-12 1966-09-14 Nippon Victor Kabushikikaisha Control system in a magnetic recording and reproducing apparatus
US3925816A (en) * 1968-07-10 1975-12-09 Sony Corp Magnetic recording system with overlapping tracks of high and low frequency information
US3636252A (en) * 1969-02-17 1972-01-18 Ampex Servo for video tape apparatus with editing capabilities
JPS5022190B1 (it) * 1969-08-27 1975-07-29
JPS515569B1 (it) * 1970-05-23 1976-02-20
US4012771A (en) * 1974-02-05 1977-03-15 Sony Corporation Apparatus for recording and/or reproducing color video signals
US3919697A (en) * 1974-06-26 1975-11-11 Battelle Development Corp Data record tracking using track identifying information in the gaps between recorded data groups
DE2530482C2 (de) * 1974-07-15 1984-11-15 N.V. Philips' Gloeilampenfabrieken, Eindhoven Servosystem für ein Videoaufzeichnungsgerät
US4047231A (en) * 1976-03-19 1977-09-06 Ampex Corporation High stability digital head servo for video recorders
US4120008A (en) * 1976-10-05 1978-10-10 Eastman Kodak Company Overlap track servo for dynamic position correction in a rotary-head tape recorder

Also Published As

Publication number Publication date
US4297731A (en) 1981-10-27
FR2360222A1 (fr) 1978-02-24
ES461122A1 (es) 1978-06-01
GB1554975A (en) 1979-10-31
AU513808B2 (en) 1981-01-08
JPS5317311A (en) 1978-02-17
BE857279A (fr) 1978-01-30
IT1077429B (it) 1985-05-04
AU2731577A (en) 1979-03-08
CA1116290A (en) 1982-01-12
ATA567476A (de) 1978-02-15
AT346089B (de) 1978-10-25
DE2732293A1 (de) 1978-02-02

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Legal Events

Date Code Title Description
PL Patent ceased