FR2458125B1 - Dispositif d'alignement automatique de tete magnetique, notamment pour un magnetoscope - Google Patents
Dispositif d'alignement automatique de tete magnetique, notamment pour un magnetoscopeInfo
- Publication number
- FR2458125B1 FR2458125B1 FR8012207A FR8012207A FR2458125B1 FR 2458125 B1 FR2458125 B1 FR 2458125B1 FR 8012207 A FR8012207 A FR 8012207A FR 8012207 A FR8012207 A FR 8012207A FR 2458125 B1 FR2458125 B1 FR 2458125B1
- Authority
- FR
- France
- Prior art keywords
- magnetoscope
- magnetic head
- alignment device
- head alignment
- automatic 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.)
- Expired
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
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6779179A JPS55159681A (en) | 1979-05-31 | 1979-05-31 | Tracking unit for magnetic head |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2458125A1 FR2458125A1 (fr) | 1980-12-26 |
FR2458125B1 true FR2458125B1 (fr) | 1985-10-25 |
Family
ID=13355119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8012207A Expired FR2458125B1 (fr) | 1979-05-31 | 1980-06-02 | Dispositif d'alignement automatique de tete magnetique, notamment pour un magnetoscope |
Country Status (11)
Country | Link |
---|---|
US (1) | US4361857A (fr) |
JP (1) | JPS55159681A (fr) |
AT (1) | AT385871B (fr) |
AU (1) | AU530775B2 (fr) |
BR (1) | BR8003450A (fr) |
CA (1) | CA1147459A (fr) |
DE (1) | DE3020589A1 (fr) |
FR (1) | FR2458125B1 (fr) |
GB (1) | GB2051425B (fr) |
IT (1) | IT1131224B (fr) |
NL (1) | NL8003209A (fr) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56115084A (en) * | 1980-02-16 | 1981-09-10 | Sony Corp | Video signal reproducer |
JPS5727421A (en) * | 1980-07-23 | 1982-02-13 | Sony Corp | Track following device |
DE3045543A1 (de) * | 1980-12-03 | 1982-07-01 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und anordnung zur wiedergabe von auf einem aufzeichnungstraeger in einzelnen spuren aufgezeichneten videosignalen |
JPS57135583A (en) * | 1981-02-14 | 1982-08-21 | Sony Corp | Video signal reproducing device |
JPS57170680A (en) * | 1981-04-13 | 1982-10-20 | Matsushita Electric Ind Co Ltd | Magnetic recorder and reproducer |
US4481544A (en) * | 1981-09-18 | 1984-11-06 | Ampex Corporation | Automatic tracking system with apparatus to prevent mistracking by a limited range transducer during stop motion |
JPS5897984A (ja) * | 1981-12-04 | 1983-06-10 | Sony Corp | 映像信号再生装置 |
JPS58212646A (ja) * | 1982-06-04 | 1983-12-10 | Hitachi Ltd | 磁気録画再生装置の可変速再生装置 |
JPS5977665A (ja) * | 1982-09-17 | 1984-05-04 | アムペックス コ−ポレ−ション | ビデオテ−プレコ−ダおよびそのガイド組立体 |
JPS59191126A (ja) * | 1983-04-14 | 1984-10-30 | Victor Co Of Japan Ltd | ビデオヘツドの位置制御装置 |
AT378301B (de) * | 1983-06-17 | 1985-07-25 | Philips Nv | System zum wiedergeben von auf einem magnetband gespeicherten signalen |
JPH0626039B2 (ja) * | 1983-10-31 | 1994-04-06 | ソニー株式会社 | 磁気ヘツドの変位駆動装置 |
DE3521437A1 (de) * | 1983-11-29 | 1986-12-18 | Sharp K.K., Osaka | Mehrspur-magnetbandgeraet und verfahren zur spureinstellung seiner wiedergabekoepfe |
JPH0614723B2 (ja) * | 1984-07-27 | 1994-02-23 | 株式会社日立製作所 | Vtrのトラツキング制御方式 |
JPS61114673A (ja) * | 1984-11-08 | 1986-06-02 | Canon Inc | 信号記録再生方式 |
DE3517317A1 (de) * | 1985-05-14 | 1986-11-20 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Verfahren zur abtastung einer schraegspuraufzeichnung |
FR2608825B1 (fr) * | 1986-12-19 | 1994-12-30 | Enertec | Dispositif pour la detection de la position d'une tete magnetique |
WO1992002929A1 (fr) * | 1990-08-01 | 1992-02-20 | Maxtor Corporation | Detection de signaux d'erreur de position de donnees d'essai pour un servomecanisme a secteur numerique |
JPH0549280A (ja) * | 1991-08-09 | 1993-02-26 | Rohm Co Ltd | 波形整形誤差補正回路 |
JP3290512B2 (ja) * | 1992-08-24 | 2002-06-10 | 三菱電機株式会社 | 磁気記録再生装置 |
US6233109B1 (en) | 1999-01-11 | 2001-05-15 | Storage Technology Corporation | Magnetic tape drive having a set of heads configured such that at least one of the heads reads a desired data track |
JP4010074B2 (ja) * | 1999-04-12 | 2007-11-21 | ソニー株式会社 | 磁気記録再生方法及び装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4080636A (en) * | 1976-03-19 | 1978-03-21 | Ampex Corporation | System for damping vibrations in a deflectable transducer |
US4099211A (en) * | 1976-09-13 | 1978-07-04 | Ampex Corporation | Positionable transducing mounting structure and driving system therefor |
GB1580008A (en) * | 1977-06-04 | 1980-11-26 | Sony Corp | Automatic head tracking system |
JPS5492308A (en) * | 1977-12-29 | 1979-07-21 | Sony Corp | Head tracking device in recorder-reproducer |
JPS54113308A (en) * | 1978-02-23 | 1979-09-04 | Sony Corp | Tracking device for magnetic head |
US4215362A (en) * | 1978-03-23 | 1980-07-29 | Ampex Corporation | Track selection method and apparatus |
JPS5538649A (en) * | 1978-09-07 | 1980-03-18 | Sony Corp | Tracking unit of magnetic head |
US4334740A (en) * | 1978-09-12 | 1982-06-15 | Polaroid Corporation | Receiving system having pre-selected directional response |
US4223358A (en) * | 1979-04-30 | 1980-09-16 | Sony Corporation | Method and apparatus for cancelling the remanent deflection in a _piezoceramic head support means of a video recorder |
-
1979
- 1979-05-31 JP JP6779179A patent/JPS55159681A/ja active Granted
-
1980
- 1980-05-21 US US06/152,117 patent/US4361857A/en not_active Expired - Lifetime
- 1980-05-23 AU AU58704/80A patent/AU530775B2/en not_active Ceased
- 1980-05-26 CA CA000352687A patent/CA1147459A/fr not_active Expired
- 1980-05-30 IT IT22462/80A patent/IT1131224B/it active
- 1980-05-30 DE DE19803020589 patent/DE3020589A1/de active Granted
- 1980-05-30 GB GB8017817A patent/GB2051425B/en not_active Expired
- 1980-05-30 AT AT0289280A patent/AT385871B/de not_active IP Right Cessation
- 1980-06-02 FR FR8012207A patent/FR2458125B1/fr not_active Expired
- 1980-06-02 NL NL8003209A patent/NL8003209A/nl not_active Application Discontinuation
- 1980-06-02 BR BR8003450A patent/BR8003450A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2458125A1 (fr) | 1980-12-26 |
IT8022462A0 (it) | 1980-05-30 |
BR8003450A (pt) | 1981-01-05 |
JPS55159681A (en) | 1980-12-11 |
AT385871B (de) | 1988-05-25 |
NL8003209A (nl) | 1980-12-02 |
GB2051425A (en) | 1981-01-14 |
IT1131224B (it) | 1986-06-18 |
CA1147459A (fr) | 1983-05-31 |
DE3020589C2 (fr) | 1989-05-11 |
AU530775B2 (en) | 1983-07-28 |
ATA289280A (de) | 1987-10-15 |
US4361857A (en) | 1982-11-30 |
JPS639434B2 (fr) | 1988-02-29 |
GB2051425B (en) | 1983-05-25 |
DE3020589A1 (de) | 1980-12-11 |
AU5870480A (en) | 1980-12-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |