FR2419557B1 - Appareil de reproduction d'un signal video - Google Patents

Appareil de reproduction d'un signal video

Info

Publication number
FR2419557B1
FR2419557B1 FR7905788A FR7905788A FR2419557B1 FR 2419557 B1 FR2419557 B1 FR 2419557B1 FR 7905788 A FR7905788 A FR 7905788A FR 7905788 A FR7905788 A FR 7905788A FR 2419557 B1 FR2419557 B1 FR 2419557B1
Authority
FR
France
Prior art keywords
reproducing
video signal
video
signal
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.)
Expired
Application number
FR7905788A
Other languages
English (en)
Other versions
FR2419557A1 (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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of FR2419557A1 publication Critical patent/FR2419557A1/fr
Application granted granted Critical
Publication of FR2419557B1 publication Critical patent/FR2419557B1/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
    • 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
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/1808—Driving of both record carrier and head
    • G11B15/1825—Driving of both record carrier and head driving or moving the head in a direction which cuts across the direction of travel of the tape, e.g. for helicoïdal scanning
    • G11B15/1833—Driving of both record carrier and head driving or moving the head in a direction which cuts across the direction of travel of the tape, e.g. for helicoïdal scanning with head driven in a plane, cyclically around an axis, e.g. on headwheel
    • G11B15/1841—Driving of both record carrier and head driving or moving the head in a direction which cuts across the direction of travel of the tape, e.g. for helicoïdal scanning with head driven in a plane, cyclically around an axis, e.g. on headwheel with provision for information tracking by moving the transducing part of the head relative to the headwheel, in the direction of the scanning movement, e.g. for skew or time base correction
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • 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
FR7905788A 1978-03-06 1979-03-06 Appareil de reproduction d'un signal video Expired FR2419557B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2513678A JPS54117627A (en) 1978-03-06 1978-03-06 Video signal reproducing device

Publications (2)

Publication Number Publication Date
FR2419557A1 FR2419557A1 (fr) 1979-10-05
FR2419557B1 true FR2419557B1 (fr) 1987-05-22

Family

ID=12157544

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7905788A Expired FR2419557B1 (fr) 1978-03-06 1979-03-06 Appareil de reproduction d'un signal video

Country Status (8)

Country Link
US (1) US4268874A (fr)
JP (1) JPS54117627A (fr)
AT (1) AT380367B (fr)
CA (1) CA1122704A (fr)
DE (1) DE2908591C2 (fr)
FR (1) FR2419557B1 (fr)
GB (1) GB2016196B (fr)
NL (1) NL7901784A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2053509B (en) * 1979-06-04 1983-11-16 Matsushita Electric Ind Co Ltd Tracking system for video recorders/reproducers
JPS56115084A (en) * 1980-02-16 1981-09-10 Sony Corp Video signal reproducer
JPS56119917A (en) * 1980-02-28 1981-09-19 Victor Co Of Japan Ltd Track deviation detecting system in magnetic recording and reproducing device
DE3147596C2 (de) * 1981-12-02 1985-01-17 Loewe Opta Gmbh, 8640 Kronach Verfahren zur automatischen Abtastspureinstellung bei Video-Magnetbandgeräten mit Schrägspuraufzeichnung
DE3246989A1 (de) * 1982-12-18 1984-06-20 Robert Bosch Gmbh, 7000 Stuttgart Anordnung zur spurhaltung in einem magnetbandgeraet
US5919428A (en) * 1996-12-05 1999-07-06 Nanodyne Incorporated Method of forming tungsten carbide particles

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3526726A (en) * 1967-09-27 1970-09-01 Ampex Piezoelectric transducer assembly for positioning a magnetic record/reproduce head
US3787616A (en) * 1972-06-05 1974-01-22 Newell Ind Time base error correction system and method
JPS598891B2 (ja) * 1974-11-26 1984-02-28 ソニー株式会社 回転磁気ヘッド装置
JPS6059787B2 (ja) * 1975-10-14 1985-12-26 ソニー株式会社 映像信号再生装置
GB1579854A (en) * 1976-03-19 1980-11-26 Ampex Method and apparatus for producing time base altered effects in data recording and reproducing apparatus
AT346089B (de) * 1976-07-30 1978-10-25 Philips Nv Wiedergabegeraet
JPS5326107A (en) * 1976-08-24 1978-03-10 Sony Corp Tracking correcting apparatus
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

Also Published As

Publication number Publication date
DE2908591A1 (de) 1979-09-20
GB2016196B (en) 1982-09-02
DE2908591C2 (de) 1985-07-11
NL7901784A (nl) 1979-09-10
US4268874A (en) 1981-05-19
JPS6212716B2 (fr) 1987-03-20
FR2419557A1 (fr) 1979-10-05
ATA164479A (de) 1985-09-15
AT380367B (de) 1986-05-12
JPS54117627A (en) 1979-09-12
GB2016196A (en) 1979-09-19
CA1122704A (fr) 1982-04-27

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Legal Events

Date Code Title Description
ST Notification of lapse