FR2449319A1 - Memoire a disques magnetiques - Google Patents
Memoire a disques magnetiquesInfo
- Publication number
- FR2449319A1 FR2449319A1 FR8003285A FR8003285A FR2449319A1 FR 2449319 A1 FR2449319 A1 FR 2449319A1 FR 8003285 A FR8003285 A FR 8003285A FR 8003285 A FR8003285 A FR 8003285A FR 2449319 A1 FR2449319 A1 FR 2449319A1
- Authority
- FR
- France
- Prior art keywords
- magnetic disc
- disc memory
- recording
- electric motor
- linear electric
- 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
- G11B17/02—Details
- G11B17/022—Positioning or locking of single discs
- G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
- G11B17/03—Positioning or locking of single discs of discs rotating during transducing operation in containers or trays
-
- 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
- G11B5/54—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 into or out of its operative position or across tracks
- G11B5/55—Track change, selection or acquisition by displacement of the head
- G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
Landscapes
- Moving Of Heads (AREA)
Abstract
DISPOSITIF POUR ENREGISTRER ET RESTITUER DES DONNEES AU MOYEN D'UN DISQUE MAGNETIQUE COMPORTANT UN MOTEUR ELECTRIQUE LINEAIRE 12 POUR L'ENTRAINEMENT DE L'ARBRE 6 DU DISQUE MAGNETIQUE 13 ET UN MOTEUR ELECTRIQUE LINEAIRE 44 POUR L'ENTRAINEMENT DE L'ARBRE 38 D'UNE BROCHE FILETEE CONSTITUEE PAR UN RESSORT-GUIDE 42 ENROULE DE FACON HELICOIDALE AUTOUR DE L'ARBRE 38 ET DANS LEQUEL S'ENGAGE UN DOIGT PALPEUR QUI EST RELIE A UN CHARIOT 4 PORTANT UNE TETE D'ENREGISTREMENT ET DE LECTURE 34.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2905836A DE2905836C2 (de) | 1979-02-15 | 1979-02-15 | Vorrichtung zur Steuerung des Zugriffs und der Bewegung eines Schreib-Lese-Kopfes |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2449319A1 true FR2449319A1 (fr) | 1980-09-12 |
FR2449319B1 FR2449319B1 (fr) | 1986-07-25 |
Family
ID=6063022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8003285A Expired FR2449319B1 (fr) | 1979-02-15 | 1980-02-14 | Memoire a disques magnetiques |
Country Status (5)
Country | Link |
---|---|
US (1) | US4326227A (fr) |
CH (1) | CH648946A5 (fr) |
DE (1) | DE2905836C2 (fr) |
FR (1) | FR2449319B1 (fr) |
GB (1) | GB2045439A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4827364A (en) * | 1984-04-30 | 1989-05-02 | Xerox Corporation | Self-compensating media centering and clamping mechanism for floppy disk drives |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1153913B (de) * | 1961-08-24 | 1963-09-05 | Harting Elektro W | Schallplattenwechsler |
FR2041117A1 (fr) * | 1969-04-01 | 1971-01-29 | English Electric Co Ltd | |
FR2135672A1 (fr) * | 1971-05-06 | 1972-12-22 | Philips Nv | |
GB1467218A (en) * | 1975-07-16 | 1977-03-16 | Burroughs Corp | Apparatus for recording and reproducing information with respect to a flexible recording medium |
FR2371037A1 (fr) * | 1976-11-12 | 1978-06-09 | Siemens Ag | Dispositif de positionnement d'une tete magnetique |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3879757A (en) * | 1974-03-01 | 1975-04-22 | Ibm | Data storage mechanism having a flexible magnetic disk |
US4097908A (en) * | 1976-09-17 | 1978-06-27 | Shugart Associates | Method for inspecting the skew of a magnetic head, for selectively locating a lead screw and an apparatus therefor |
-
1979
- 1979-02-15 DE DE2905836A patent/DE2905836C2/de not_active Expired
-
1980
- 1980-01-31 GB GB8003372A patent/GB2045439A/en not_active Withdrawn
- 1980-02-04 CH CH883/80A patent/CH648946A5/de not_active IP Right Cessation
- 1980-02-14 US US06/121,640 patent/US4326227A/en not_active Expired - Lifetime
- 1980-02-14 FR FR8003285A patent/FR2449319B1/fr not_active Expired
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1153913B (de) * | 1961-08-24 | 1963-09-05 | Harting Elektro W | Schallplattenwechsler |
FR2041117A1 (fr) * | 1969-04-01 | 1971-01-29 | English Electric Co Ltd | |
FR2135672A1 (fr) * | 1971-05-06 | 1972-12-22 | Philips Nv | |
US3735163A (en) * | 1971-05-06 | 1973-05-22 | Philips Corp | Linear motor for the positioning of magnetic heads |
GB1467218A (en) * | 1975-07-16 | 1977-03-16 | Burroughs Corp | Apparatus for recording and reproducing information with respect to a flexible recording medium |
FR2371037A1 (fr) * | 1976-11-12 | 1978-06-09 | Siemens Ag | Dispositif de positionnement d'une tete magnetique |
Also Published As
Publication number | Publication date |
---|---|
GB2045439A (en) | 1980-10-29 |
DE2905836A1 (de) | 1980-08-21 |
FR2449319B1 (fr) | 1986-07-25 |
US4326227A (en) | 1982-04-20 |
CH648946A5 (de) | 1985-04-15 |
DE2905836C2 (de) | 1987-05-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |