FR2405536A1 - Dispositif d'enregistrement-lecture d'une information sur une boucle de ruban magnetique enroule dans une cassette sans fin - Google Patents
Dispositif d'enregistrement-lecture d'une information sur une boucle de ruban magnetique enroule dans une cassette sans finInfo
- Publication number
- FR2405536A1 FR2405536A1 FR7730244A FR7730244A FR2405536A1 FR 2405536 A1 FR2405536 A1 FR 2405536A1 FR 7730244 A FR7730244 A FR 7730244A FR 7730244 A FR7730244 A FR 7730244A FR 2405536 A1 FR2405536 A1 FR 2405536A1
- Authority
- FR
- France
- Prior art keywords
- recording
- tape
- reading information
- magnetic tape
- loop
- 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
- G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
- G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
- G11B5/00817—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording
-
- 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
- G11B15/1883—Driving; Starting; Stopping; Arrangements for control or regulation thereof for record carriers inside containers
- G11B15/1891—Driving; Starting; Stopping; Arrangements for control or regulation thereof for record carriers inside containers the record carrier being endless
-
- 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
- G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
- G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
- G11B5/00817—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording
- G11B5/00821—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording using stationary heads
- G11B5/00826—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording using stationary heads comprising a plurality of single poles or gaps or groups thereof operative at the same time
- G11B5/0083—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording using stationary heads comprising a plurality of single poles or gaps or groups thereof operative at the same time for parallel information processing, e.g. PCM recording
-
- 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
- G11B5/488—Disposition of heads
- G11B5/4893—Disposition of heads relative to moving tape
-
- 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
- G11B5/52—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 simultaneous movement of head and record carrier, e.g. rotation of head
-
- 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)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Abstract
L'invention se rapporte aux dispositifs d'enregistrement-lecture d'une information sur une bande magnétique grâce à au moins une tête magnétique dont l'entrefer est en vis-à-vis de la bande, celle-ci étant animée d'un mouvement de défilement continu. Le dispositif selon l'invention utilise une bande du type << bande sans fin >> habituellement utilisée pour l'enregistrement du son. Il comprend n têtes magnétiques solidaires animées d'un mouvement de translation lent dans une direction transversale, chaque tête décrivant une piste continue, l'ensemble des pistes occupant toute la largeur de la bande et formant dans le sens de la largeur des tronçons de piste parallèles et équidistants. L'invention s'applique notamment à l'enregistrement de signaux vidéo utilisables dans un ensemble de reportage portatif.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7730244A FR2405536A1 (fr) | 1977-10-07 | 1977-10-07 | Dispositif d'enregistrement-lecture d'une information sur une boucle de ruban magnetique enroule dans une cassette sans fin |
GB7839338A GB2005458B (en) | 1977-10-07 | 1978-10-04 | Device for recording and playing back information on an endless magnetic tape |
CA000312870A CA1137626A (fr) | 1977-10-07 | 1978-10-06 | Appareil d'enregistrement et de lecture de donnees sur une bande magnetique sans fin |
DE19782843734 DE2843734A1 (de) | 1977-10-07 | 1978-10-06 | Aufzeichnungs- und leseeinrichtung fuer informationen auf einem magnetband |
JP12350078A JPS5470816A (en) | 1977-10-07 | 1978-10-06 | Information recorder*reproducer on endless magnetic tape |
US06/146,412 US4321634A (en) | 1977-10-07 | 1980-05-05 | Endless magnetic tape video recorder/player with head centering means |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7730244A FR2405536A1 (fr) | 1977-10-07 | 1977-10-07 | Dispositif d'enregistrement-lecture d'une information sur une boucle de ruban magnetique enroule dans une cassette sans fin |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2405536A1 true FR2405536A1 (fr) | 1979-05-04 |
FR2405536B1 FR2405536B1 (fr) | 1982-10-22 |
Family
ID=9196241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7730244A Granted FR2405536A1 (fr) | 1977-10-07 | 1977-10-07 | Dispositif d'enregistrement-lecture d'une information sur une boucle de ruban magnetique enroule dans une cassette sans fin |
Country Status (6)
Country | Link |
---|---|
US (1) | US4321634A (fr) |
JP (1) | JPS5470816A (fr) |
CA (1) | CA1137626A (fr) |
DE (1) | DE2843734A1 (fr) |
FR (1) | FR2405536A1 (fr) |
GB (1) | GB2005458B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2473829A1 (fr) * | 1979-08-21 | 1981-07-17 | Victor Company Of Japan | Appareil magnetique d'enregistrement et de reproduction muni d'un dispositif de reglage des erreurs de suivi de piste de tetes magnetiques rotatives |
Families Citing this family (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5517842A (en) * | 1978-07-24 | 1980-02-07 | Hitachi Ltd | Servo system |
JPS56124103A (en) * | 1980-02-29 | 1981-09-29 | Victor Co Of Japan Ltd | Digital magnetic recording and/or reproducing method |
US4337492A (en) * | 1980-04-08 | 1982-06-29 | Minnesota Mining And Manufacturing Company | Head positioning transducer for helical scan video reproducer |
JPS56159858A (en) * | 1980-05-10 | 1981-12-09 | Sony Corp | Tracking control unit in magnetic recording and reproducing device |
DE3042273A1 (de) * | 1980-11-08 | 1982-05-13 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig & Co KG, 8510 Fürth | Magnetischer einzelbild-massenspeicher |
JPS57100626A (en) * | 1980-12-13 | 1982-06-22 | Sony Corp | Tracking controller of magnetic recorder and reproducer |
JPS57186229A (en) * | 1981-05-11 | 1982-11-16 | Mitsubishi Electric Corp | Magnetic head for azimuth recording |
US4539615A (en) * | 1981-06-08 | 1985-09-03 | Hitachi, Ltd. | Azimuthal magnetic recording and reproducing apparatus |
JPS58185009A (ja) * | 1982-04-23 | 1983-10-28 | Sony Corp | 磁気記録再生装置 |
US4556920A (en) * | 1982-12-10 | 1985-12-03 | Canon Kabushiki Kaisha | Reproduction device |
US4561028A (en) * | 1983-08-18 | 1985-12-24 | Sony Corporation | Apparatus and method for reading and writing data on a magnetic disc |
US5025324A (en) * | 1984-09-07 | 1991-06-18 | Hashimoto Corporation | Method of and apparatus for recording information on both a main recording medium and an endless recording medium for repeated event monitoring |
US4670800A (en) * | 1985-05-03 | 1987-06-02 | Eastman Kodak Company | Edge guided magnetic tape tracking |
US4611249A (en) * | 1985-05-03 | 1986-09-09 | Eastman Kodak Company | Flux sensitive tracking |
US4652945A (en) * | 1985-05-03 | 1987-03-24 | Eastman Kodak Company | Flux sensitive tracking |
JPH07122928B2 (ja) * | 1985-08-19 | 1995-12-25 | キヤノン株式会社 | 信号再生装置 |
US4764826A (en) * | 1985-12-17 | 1988-08-16 | Eastman Kodak Company | Tape cassette and cooperating apparatus |
JP2633526B2 (ja) * | 1986-01-16 | 1997-07-23 | ソニー株式会社 | 記録再生装置 |
DE3702858A1 (de) * | 1987-01-31 | 1988-08-11 | Thomson Brandt Gmbh | Recorder fuer eine matrixartige aufzeichnung |
US4839754A (en) * | 1987-02-26 | 1989-06-13 | Micropolis Corporation | Winchester disk drive motor circuitry |
USRE34399E (en) * | 1987-02-26 | 1993-10-05 | Micropolis Corporation | Winchester disk drive motor circuitry |
JPS6410463A (en) * | 1987-07-01 | 1989-01-13 | Sony Corp | Magnetic disk |
US4796125A (en) * | 1987-08-10 | 1989-01-03 | Eastman Kodak Company | Optimizing the positioning of a pair of magnetic heads relative to spaced tracks on magnetic tape |
JPH01105308A (ja) * | 1987-10-16 | 1989-04-21 | Sony Corp | 回転ヘッドドラム装置 |
US4939715A (en) * | 1987-12-29 | 1990-07-03 | Minnesota Mining And Manufacturing Company | Tape scanning apparatus |
US5055951A (en) * | 1989-03-10 | 1991-10-08 | Irwin Magnetic Systems, Inc. | Method and apparatus for servo-positioning movable transducer heads |
US5223994A (en) * | 1989-10-02 | 1993-06-29 | Behr Michael I | System using superimposed, orthogonal buried servo signals |
US5132861A (en) * | 1989-10-02 | 1992-07-21 | Behr Michael I | Systems using superimposed, orthogonal buried servo signals |
US5307217A (en) * | 1992-06-24 | 1994-04-26 | Digital Equipment Corporation | Magnetic head for very high track density magnetic recording |
US5371638A (en) * | 1992-06-24 | 1994-12-06 | Digital Equipment Corporation | Servo method and apparatus for very high track density magnetic recording by adjusting head position based on servo information read from adjacent track |
US5949604A (en) * | 1992-06-24 | 1999-09-07 | Quantum Corporation | Method of writing and reading servo on tracks having a longitudinal gap |
FR2723242B1 (fr) * | 1994-07-26 | 1996-08-30 | Thomson Csf | Tete magnetique a element saturable et dispositif matriciel comportant un ensemble de tetes magnetiques |
JPH08255326A (ja) * | 1995-03-20 | 1996-10-01 | Hitachi Ltd | 磁気テープ装置及び磁気テープ装置の制御方法 |
DE19531075A1 (de) * | 1995-08-23 | 1997-02-27 | Thomson Brandt Gmbh | Magnetbandgerät für die Aufzeichnung und Wiedergabe von Signalen |
FR2739965B1 (fr) * | 1995-10-17 | 1997-11-07 | Thomson Csf | Dispositif emetteur-recepteur de lumiere et systeme de lecture optique |
US5940238A (en) * | 1996-06-07 | 1999-08-17 | Seagate Technology, Inc. | Mechanism to reduce adjacent track interference in a magnetic tape data storage system |
FR2786345B1 (fr) | 1998-11-24 | 2001-02-09 | Thomson Csf | Dispositif de cryptage quantique |
US6542325B1 (en) * | 1999-03-10 | 2003-04-01 | Imation Corp. | Time-based servo for magnetic storage media |
US7149173B2 (en) * | 2000-10-17 | 2006-12-12 | Thales | Medium for recording optically readable data, method for making same and optical system reproducing said data |
FR2824905B1 (fr) * | 2001-05-15 | 2003-08-29 | Thomson Csf | Gyrometre a fibre optique |
US6754022B1 (en) | 2001-07-16 | 2004-06-22 | Imation Corp. | High-speed current driver |
US6781778B1 (en) * | 2001-07-16 | 2004-08-24 | Imation Corp. | Time-based sectored servo data format |
US7072133B1 (en) | 2001-10-15 | 2006-07-04 | Imation Corp. | Servo mark verify head |
US6873487B2 (en) * | 2001-11-26 | 2005-03-29 | Imation Corp. | Hybrid servopositioning systems |
US7136255B2 (en) * | 2003-10-20 | 2006-11-14 | Quantum Corporation | Servo methods and systems using masked medium edge position sensors |
US7139152B2 (en) * | 2003-10-20 | 2006-11-21 | Quantum Corporation | Servo methods and systems using existing data structures and optical masks |
US7149050B2 (en) * | 2003-10-20 | 2006-12-12 | Quantum Corporation | Diffractive position sensors and control systems |
US7116514B2 (en) * | 2003-10-20 | 2006-10-03 | Quantum Corporation | Methods and systems for magnetic recording |
US7085095B2 (en) * | 2003-10-20 | 2006-08-01 | Quantum Corporation | Electromagnetic void-sensing probes and position control systems |
US7102845B2 (en) * | 2003-10-20 | 2006-09-05 | Quantum Corporation | Servo methods and systems using existing data structures and medium edge position |
US7206170B2 (en) * | 2004-05-19 | 2007-04-17 | Imetion Corp. | Thin film servo head apparatus with canted servo gaps |
US7184233B2 (en) * | 2004-06-04 | 2007-02-27 | Quantum Corporation | Dual source tracking servo systems and associated methods |
US20060103968A1 (en) * | 2004-11-12 | 2006-05-18 | Jurneke Joe K | Dynamic skew compensation systems and associated methods |
US7499235B2 (en) * | 2005-03-18 | 2009-03-03 | Quantum Corporation | Auto-servo tape system and associated recording head |
US20080144211A1 (en) * | 2006-12-18 | 2008-06-19 | Weber Mark P | Servo techniques that mitigate an effect of read and write velocity variations on position error signal calculations |
US7495859B2 (en) * | 2007-02-20 | 2009-02-24 | Imation Corp. | Interleaved servo pattern |
US7826169B2 (en) * | 2007-04-25 | 2010-11-02 | Quantum Corporation | Servo error detection and compensation utilizing virtual data tracking servo methods |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1050390A (fr) * | 1950-10-27 | 1954-01-07 | Loewe Opta Ag | Appareil d'enregistrement et de reproduction du son |
FR1170265A (fr) * | 1956-02-28 | 1959-01-13 | Thomson Houston Comp Francaise | Perfectionnements aux procédés d'enregistrement |
US3471653A (en) * | 1965-03-24 | 1969-10-07 | Teruo Kawata | Transversely shiftable tape support for enabling multi-track recording or readout |
US3684840A (en) * | 1971-04-14 | 1972-08-15 | Itsuki Ban | Magnetic tape recording and reproducing apparatus using a small cycle time endless tape with movable head for replay |
FR2247865A1 (fr) * | 1973-10-12 | 1975-05-09 | Matsushita Electric Ind Co Ltd |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB634675A (en) * | 1947-07-07 | 1950-03-22 | Gen Electric Co Ltd | Improvements in or relating to apparatus using a magnetisable recording medium |
GB688043A (en) * | 1950-03-20 | 1953-02-25 | British Celanese | Improvements in recording apparatus |
GB783866A (en) * | 1954-06-18 | 1957-10-02 | Dictaphone Corp | Improvements in or relating to a recording and reproducing machine utilizing an endless magnetic belt record |
US2989595A (en) * | 1955-07-05 | 1961-06-20 | Marchant Res Inc | Superimposed recording |
US3149207A (en) * | 1960-11-29 | 1964-09-15 | Ampex | Tape transport |
US3126535A (en) * | 1961-12-27 | 1964-03-24 | Transducer positioning system | |
US3686433A (en) * | 1965-05-17 | 1972-08-22 | Iit Res Inst | Transducer system adaptable for audio or video recording or reproduction |
US3576553A (en) * | 1968-04-29 | 1971-04-27 | Ibm | Data transducer positioning servo utilizing compensation network and phase-displaced servo signal pairs of like frequency |
US3665118A (en) * | 1969-04-07 | 1972-05-23 | Bell & Howell Co | Control signal recording |
GB1326700A (en) * | 1970-12-26 | 1973-08-15 | Ricoh Kk | Magnetic tape recorders |
US3885090A (en) * | 1973-03-20 | 1975-05-20 | Richard W Rosenbaum | Continuous automatic surveillance system |
US3979773A (en) * | 1973-04-28 | 1976-09-07 | Tokyo Shibaura Electric Co., Ltd. | Magnetic recording and reproducing apparatus |
GB1438977A (en) * | 1973-06-01 | 1976-06-09 | Iit Res Inst | Endless loop record tape transducer system |
-
1977
- 1977-10-07 FR FR7730244A patent/FR2405536A1/fr active Granted
-
1978
- 1978-10-04 GB GB7839338A patent/GB2005458B/en not_active Expired
- 1978-10-06 DE DE19782843734 patent/DE2843734A1/de not_active Ceased
- 1978-10-06 JP JP12350078A patent/JPS5470816A/ja active Pending
- 1978-10-06 CA CA000312870A patent/CA1137626A/fr not_active Expired
-
1980
- 1980-05-05 US US06/146,412 patent/US4321634A/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1050390A (fr) * | 1950-10-27 | 1954-01-07 | Loewe Opta Ag | Appareil d'enregistrement et de reproduction du son |
FR1170265A (fr) * | 1956-02-28 | 1959-01-13 | Thomson Houston Comp Francaise | Perfectionnements aux procédés d'enregistrement |
US3471653A (en) * | 1965-03-24 | 1969-10-07 | Teruo Kawata | Transversely shiftable tape support for enabling multi-track recording or readout |
US3684840A (en) * | 1971-04-14 | 1972-08-15 | Itsuki Ban | Magnetic tape recording and reproducing apparatus using a small cycle time endless tape with movable head for replay |
FR2247865A1 (fr) * | 1973-10-12 | 1975-05-09 | Matsushita Electric Ind Co Ltd |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2473829A1 (fr) * | 1979-08-21 | 1981-07-17 | Victor Company Of Japan | Appareil magnetique d'enregistrement et de reproduction muni d'un dispositif de reglage des erreurs de suivi de piste de tetes magnetiques rotatives |
Also Published As
Publication number | Publication date |
---|---|
JPS5470816A (en) | 1979-06-07 |
GB2005458A (en) | 1979-04-19 |
FR2405536B1 (fr) | 1982-10-22 |
GB2005458B (en) | 1982-12-08 |
CA1137626A (fr) | 1982-12-14 |
DE2843734A1 (de) | 1979-04-12 |
US4321634A (en) | 1982-03-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |