FR2315142A1 - Procede de guidage d'une tete d'enregistrement et/ou de lecture d'un support magnetique - Google Patents
Procede de guidage d'une tete d'enregistrement et/ou de lecture d'un support magnetiqueInfo
- Publication number
- FR2315142A1 FR2315142A1 FR7518837A FR7518837A FR2315142A1 FR 2315142 A1 FR2315142 A1 FR 2315142A1 FR 7518837 A FR7518837 A FR 7518837A FR 7518837 A FR7518837 A FR 7518837A FR 2315142 A1 FR2315142 A1 FR 2315142A1
- Authority
- FR
- France
- Prior art keywords
- guide
- track
- transducer head
- magnetic recording
- head
- 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
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/005—Programmed access to indexed parts of tracks of operating discs, by guiding the disc
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/38—Visual features other than those contained in record tracks or represented by sprocket holes the visual signals being auxiliary signals
- G11B23/42—Marks for indexing, speed-controlling, synchronising, or timing
-
- 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
- G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
-
- 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
- G11B5/596—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 disks
- G11B5/59677—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 disks with optical servo tracking
Landscapes
- Magnetic Heads (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7518837A FR2315142A1 (fr) | 1975-06-17 | 1975-06-17 | Procede de guidage d'une tete d'enregistrement et/ou de lecture d'un support magnetique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7518837A FR2315142A1 (fr) | 1975-06-17 | 1975-06-17 | Procede de guidage d'une tete d'enregistrement et/ou de lecture d'un support magnetique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2315142A1 true FR2315142A1 (fr) | 1977-01-14 |
FR2315142B1 FR2315142B1 (fr) | 1977-12-02 |
Family
ID=9156609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7518837A Granted FR2315142A1 (fr) | 1975-06-17 | 1975-06-17 | Procede de guidage d'une tete d'enregistrement et/ou de lecture d'un support magnetique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2315142A1 (fr) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2336766A1 (fr) * | 1975-12-26 | 1977-07-22 | Sony Corp | Support d'enregistrement, sa fabrication et son application |
FR2347744A1 (fr) * | 1976-04-10 | 1977-11-04 | Philips Nv | Porteur d'information muni d'une couche d'emmagasinage magnetique et dispositif pour la lecture ou l'ecriture d'un tel porteur |
FR2390800A1 (fr) * | 1977-05-10 | 1978-12-08 | Philips Nv | Bande magnetique munie de reperes observables par voie optique et procede pour la fabrication d'une telle bande |
EP0097774A2 (fr) * | 1982-06-30 | 1984-01-11 | International Business Machines Corporation | Système transducteur |
EP0113051A2 (fr) * | 1982-12-30 | 1984-07-11 | International Business Machines Corporation | Système de détection de la position sur un disque rotatif |
WO1985002933A1 (fr) * | 1983-12-27 | 1985-07-04 | Ncr Corporation | Milieu d'enregistrement magnetique et appareil et procede pour suivre une piste de celui-ci |
US4633451A (en) * | 1982-06-30 | 1986-12-30 | International Business Machines Corporation | Optical servo for magnetic disks |
US4816939A (en) * | 1986-08-21 | 1989-03-28 | Polaroid Corporation | Magnetic recording media and servo systems using light-transmitting optical gratings |
WO1990004846A1 (fr) * | 1988-10-25 | 1990-05-03 | Siemens Aktiengesellschaft | Unite d'exploration pour memoire a disque magnetique |
US5462823A (en) * | 1992-11-16 | 1995-10-31 | Minnesota Mining And Manufacturing Company | Magnetic recording materials provided with a photosensitive layer |
WO2000030079A1 (fr) * | 1998-11-13 | 2000-05-25 | Quantum Corporation | Appareil optique permettant l'alignement d'une bande magnetique |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19913382C2 (de) | 1998-03-24 | 2002-08-14 | Quantum Corp | Mehrkanaliges Magnetbandsystem mit einem optischen Spur-Servo |
EP1205912A4 (fr) | 1999-02-16 | 2002-08-21 | Quantum Corp | Procede d'ecriture de signaux d'asservissement sur une bande magnetique |
JP4286457B2 (ja) | 1999-02-17 | 2009-07-01 | クウォンタム・コーポレイション | 磁気テープへのサーボ信号書き込み方法 |
US6558774B1 (en) | 1999-08-17 | 2003-05-06 | Quantum Corporation | Multiple-layer backcoating for magnetic tape |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1350194A (fr) * | 1962-02-05 | 1964-01-24 | Sperry Rand Corp | Dispositif pour placer de façon correcte un transducteur par rapport à une piste d'enregistrement |
FR1468978A (fr) * | 1964-12-21 | 1967-02-10 | Ibm | Système de mise en position pour dispositif à accès sélectif |
US3803350A (en) * | 1969-03-17 | 1974-04-09 | J Lemelson | Record card scanning apparatus |
-
1975
- 1975-06-17 FR FR7518837A patent/FR2315142A1/fr active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1350194A (fr) * | 1962-02-05 | 1964-01-24 | Sperry Rand Corp | Dispositif pour placer de façon correcte un transducteur par rapport à une piste d'enregistrement |
FR1468978A (fr) * | 1964-12-21 | 1967-02-10 | Ibm | Système de mise en position pour dispositif à accès sélectif |
US3803350A (en) * | 1969-03-17 | 1974-04-09 | J Lemelson | Record card scanning apparatus |
Non-Patent Citations (9)
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2336766A1 (fr) * | 1975-12-26 | 1977-07-22 | Sony Corp | Support d'enregistrement, sa fabrication et son application |
FR2347744A1 (fr) * | 1976-04-10 | 1977-11-04 | Philips Nv | Porteur d'information muni d'une couche d'emmagasinage magnetique et dispositif pour la lecture ou l'ecriture d'un tel porteur |
FR2390800A1 (fr) * | 1977-05-10 | 1978-12-08 | Philips Nv | Bande magnetique munie de reperes observables par voie optique et procede pour la fabrication d'une telle bande |
EP0097774A3 (fr) * | 1982-06-30 | 1986-02-05 | International Business Machines Corporation | Système transducteur |
EP0097774A2 (fr) * | 1982-06-30 | 1984-01-11 | International Business Machines Corporation | Système transducteur |
US4633451A (en) * | 1982-06-30 | 1986-12-30 | International Business Machines Corporation | Optical servo for magnetic disks |
EP0113051A2 (fr) * | 1982-12-30 | 1984-07-11 | International Business Machines Corporation | Système de détection de la position sur un disque rotatif |
EP0113051A3 (fr) * | 1982-12-30 | 1986-09-03 | International Business Machines Corporation | Système de détection de la position sur un disque rotatif |
WO1985002933A1 (fr) * | 1983-12-27 | 1985-07-04 | Ncr Corporation | Milieu d'enregistrement magnetique et appareil et procede pour suivre une piste de celui-ci |
US4816939A (en) * | 1986-08-21 | 1989-03-28 | Polaroid Corporation | Magnetic recording media and servo systems using light-transmitting optical gratings |
WO1990004846A1 (fr) * | 1988-10-25 | 1990-05-03 | Siemens Aktiengesellschaft | Unite d'exploration pour memoire a disque magnetique |
US5462823A (en) * | 1992-11-16 | 1995-10-31 | Minnesota Mining And Manufacturing Company | Magnetic recording materials provided with a photosensitive layer |
WO2000030079A1 (fr) * | 1998-11-13 | 2000-05-25 | Quantum Corporation | Appareil optique permettant l'alignement d'une bande magnetique |
Also Published As
Publication number | Publication date |
---|---|
FR2315142B1 (fr) | 1977-12-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |