FR2367395A1 - Installation de balayage de trace automatique notamment destinee a la reproduction de signaux video enregistres sur une bande magnetique - Google Patents
Installation de balayage de trace automatique notamment destinee a la reproduction de signaux video enregistres sur une bande magnetiqueInfo
- Publication number
- FR2367395A1 FR2367395A1 FR7730000A FR7730000A FR2367395A1 FR 2367395 A1 FR2367395 A1 FR 2367395A1 FR 7730000 A FR7730000 A FR 7730000A FR 7730000 A FR7730000 A FR 7730000A FR 2367395 A1 FR2367395 A1 FR 2367395A1
- Authority
- FR
- France
- Prior art keywords
- reproduction
- magnetic tape
- video signals
- signals recorded
- scan system
- 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
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
Landscapes
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
a. Installation de balayage de trace automatique notamment applicable à un dispositif à bande. b. Appareil caractérisé en ce qu'il comprend un moyen pour créer au moins deux signaux en dents de scie, chacun des signaux en dents de scie ayant un temps de montée qui correspond essentiellement à une période de balayage de chaque tête de reproduction, et un moyen pour commander l'instant de départ de chacun des signaux de dents de scie en avance de chaque balayage des têtes de reproduction l'avance correspondant à une durée prédéterminée, et un moyen pour fournir chaque signal de dents de scie, commandé aux déflecteurs respectifs.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12011476A JPS5345212A (en) | 1976-10-05 | 1976-10-05 | Corrector for tracking |
JP12065776A JPS5345510A (en) | 1976-10-07 | 1976-10-07 | Tracking compensating apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2367395A1 true FR2367395A1 (fr) | 1978-05-05 |
FR2367395B1 FR2367395B1 (fr) | 1983-02-11 |
Family
ID=26457745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7730000A Granted FR2367395A1 (fr) | 1976-10-05 | 1977-10-05 | Installation de balayage de trace automatique notamment destinee a la reproduction de signaux video enregistres sur une bande magnetique |
Country Status (7)
Country | Link |
---|---|
US (1) | US4143405A (fr) |
AT (1) | AT371965B (fr) |
CA (1) | CA1116292A (fr) |
DE (1) | DE2744843A1 (fr) |
FR (1) | FR2367395A1 (fr) |
GB (1) | GB1560023A (fr) |
NL (1) | NL7710944A (fr) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2373119A1 (fr) * | 1976-12-02 | 1978-06-30 | Sony Corp | Appareil de reproduction de signaux |
FR2414840A1 (fr) * | 1978-01-17 | 1979-08-10 | Sony Corp | Ensemble de support de tetes magnetiques pour magnetoscope |
FR2426377A1 (fr) * | 1978-05-15 | 1979-12-14 | Sony Corp | Dispositif d'alignement pour un appareil de reproduction de signaux d'image |
FR2435777A1 (fr) * | 1978-09-07 | 1980-04-04 | Sony Corp | Dispositif de commande de cadrage de piste pour tete magnetique de magnetoscope |
FR2437755A1 (fr) * | 1978-09-14 | 1980-04-25 | Sony Corp | Appareil pour reproduire un signal video enregistre |
FR2456365A1 (fr) * | 1979-05-07 | 1980-12-05 | Sony Corp | Procede et dispositif d'annulation de la deviation remanente du support de tete en ceramique piezoelectrique d'un enregistreur de signaux video et leur application aux magnetoscopes |
EP0037715A1 (fr) * | 1980-04-08 | 1981-10-14 | Minnesota Mining And Manufacturing Company | Dispositif de positionnement de la tête dans un appareil de reproduction à bande vidéo à balayage hélicoidal |
EP0038190A2 (fr) * | 1980-04-11 | 1981-10-21 | Matsushita Electric Industrial Co., Ltd. | Appareil pour le traitement de signaux vidéo |
FR2482399A1 (fr) * | 1980-05-07 | 1981-11-13 | Victor Company Of Japan | Dispositif de suivi de pistes pour appareils d'enregistrement et/ou de lecture du type a tetes magnetiques rotatives |
EP0051938A1 (fr) * | 1980-11-07 | 1982-05-19 | Sony Corporation | Dispositif de reproduction de signaux vidéo |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54307U (fr) * | 1977-06-04 | 1979-01-05 | ||
JPS5458309A (en) * | 1977-10-19 | 1979-05-11 | Natsuku Kk | Recorder for long time magnetic video reproducer |
JPS5460522A (en) * | 1977-10-24 | 1979-05-16 | Sony Corp | Reproducer |
JPS5480716A (en) * | 1977-12-12 | 1979-06-27 | Sony Corp | Automatic tracking apparatus |
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 |
JPS54133817A (en) * | 1978-04-08 | 1979-10-17 | Sony Corp | Recording regenerator for video signal |
JPS54138324A (en) * | 1978-04-19 | 1979-10-26 | Sony Corp | Magnetic recording and reproducing unit |
US4306255A (en) * | 1978-06-22 | 1981-12-15 | Matsushita Electric Industrial Co., Ltd. | Magnetic record/playback system of rotating head type |
JPS55102981A (en) * | 1979-01-31 | 1980-08-06 | Matsushita Electric Ind Co Ltd | Rotary-head type magnetic recording and reproducing device |
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 |
JPS56105322A (en) * | 1980-01-19 | 1981-08-21 | Matsushita Electric Ind Co Ltd | Driving device of electromechanical conversion element |
US4403260A (en) * | 1980-02-15 | 1983-09-06 | Hitachi, Ltd. | Automatic tape stop device for video signal recording and reproducing apparatus |
US4485414A (en) * | 1980-07-07 | 1984-11-27 | Ampex Corporation | Servo system for positioning a movable transducing head assembly |
JPS5746318A (en) * | 1980-09-01 | 1982-03-16 | Matsushita Electric Ind Co Ltd | Tracking device |
US4470079A (en) * | 1981-02-13 | 1984-09-04 | Victor Company Of Japan, Ltd. | Tracking control system in a magnetic recording and reproducing apparatus |
JPS60158781A (ja) * | 1984-01-27 | 1985-08-20 | Sony Corp | ビデオテ−プレコ−ダ− |
JPS61166283A (ja) * | 1985-01-18 | 1986-07-26 | Tokyo Electric Co Ltd | テレビジヨン同期信号波形処理装置 |
JPH0664790B2 (ja) * | 1985-08-28 | 1994-08-22 | 株式会社日立製作所 | 磁気再生装置の自動トラッキング装置 |
US4794581A (en) * | 1987-06-25 | 1988-12-27 | International Business Machines Corporation | Lens support system enabling focussing and tracking motions employing a unitary lens holder |
US5021906A (en) * | 1989-10-31 | 1991-06-04 | International Business Machines Corporation | Programmable air bearing slider including magnetic read/write element |
GB2244167B (en) * | 1990-04-03 | 1994-05-11 | Mitsubishi Electric Corp | Magnetic recording and reproducing method |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2293118A1 (fr) * | 1974-11-26 | 1976-06-25 | Sony Corp | Installation de lecture de signaux video |
FR2328342A1 (fr) * | 1975-10-14 | 1977-05-13 | Sony Corp | Installation de reproduction de signaux video |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3375331A (en) * | 1963-10-21 | 1968-03-26 | Nippon Electric Co | System for recording and reproducing a periodic signal |
US3526726A (en) * | 1967-09-27 | 1970-09-01 | Ampex | Piezoelectric transducer assembly for positioning a magnetic record/reproduce head |
JPS5650329B2 (fr) * | 1972-05-22 | 1981-11-28 | ||
US3787616A (en) * | 1972-06-05 | 1974-01-22 | Newell Ind | Time base error correction system and method |
JPS5633772B2 (fr) * | 1972-12-20 | 1981-08-06 | ||
US4080636A (en) * | 1976-03-19 | 1978-03-21 | Ampex Corporation | System for damping vibrations in a deflectable transducer |
-
1977
- 1977-09-28 GB GB40350/77A patent/GB1560023A/en not_active Expired
- 1977-09-30 US US05/838,375 patent/US4143405A/en not_active Expired - Lifetime
- 1977-10-03 CA CA287,979A patent/CA1116292A/fr not_active Expired
- 1977-10-03 AT AT0702977A patent/AT371965B/de not_active IP Right Cessation
- 1977-10-05 DE DE19772744843 patent/DE2744843A1/de active Granted
- 1977-10-05 FR FR7730000A patent/FR2367395A1/fr active Granted
- 1977-10-05 NL NL7710944A patent/NL7710944A/xx not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2293118A1 (fr) * | 1974-11-26 | 1976-06-25 | Sony Corp | Installation de lecture de signaux video |
FR2328342A1 (fr) * | 1975-10-14 | 1977-05-13 | Sony Corp | Installation de reproduction de signaux video |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2373119A1 (fr) * | 1976-12-02 | 1978-06-30 | Sony Corp | Appareil de reproduction de signaux |
FR2414840A1 (fr) * | 1978-01-17 | 1979-08-10 | Sony Corp | Ensemble de support de tetes magnetiques pour magnetoscope |
FR2426377A1 (fr) * | 1978-05-15 | 1979-12-14 | Sony Corp | Dispositif d'alignement pour un appareil de reproduction de signaux d'image |
FR2435777A1 (fr) * | 1978-09-07 | 1980-04-04 | Sony Corp | Dispositif de commande de cadrage de piste pour tete magnetique de magnetoscope |
FR2437755A1 (fr) * | 1978-09-14 | 1980-04-25 | Sony Corp | Appareil pour reproduire un signal video enregistre |
FR2456365A1 (fr) * | 1979-05-07 | 1980-12-05 | Sony Corp | Procede et dispositif d'annulation de la deviation remanente du support de tete en ceramique piezoelectrique d'un enregistreur de signaux video et leur application aux magnetoscopes |
EP0037715A1 (fr) * | 1980-04-08 | 1981-10-14 | Minnesota Mining And Manufacturing Company | Dispositif de positionnement de la tête dans un appareil de reproduction à bande vidéo à balayage hélicoidal |
EP0038190A2 (fr) * | 1980-04-11 | 1981-10-21 | Matsushita Electric Industrial Co., Ltd. | Appareil pour le traitement de signaux vidéo |
EP0038190A3 (en) * | 1980-04-11 | 1983-02-09 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for processing video signals |
FR2482399A1 (fr) * | 1980-05-07 | 1981-11-13 | Victor Company Of Japan | Dispositif de suivi de pistes pour appareils d'enregistrement et/ou de lecture du type a tetes magnetiques rotatives |
EP0051938A1 (fr) * | 1980-11-07 | 1982-05-19 | Sony Corporation | Dispositif de reproduction de signaux vidéo |
Also Published As
Publication number | Publication date |
---|---|
US4143405A (en) | 1979-03-06 |
GB1560023A (en) | 1980-01-30 |
FR2367395B1 (fr) | 1983-02-11 |
DE2744843C2 (fr) | 1987-08-27 |
NL7710944A (nl) | 1978-04-07 |
AT371965B (de) | 1983-08-25 |
ATA702977A (de) | 1982-12-15 |
DE2744843A1 (de) | 1978-08-17 |
CA1116292A (fr) | 1982-01-12 |
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