DK107624C - Skivelager til magnetisk optagelse og gengivelse af information ved hjælp af magnethoveder. - Google Patents
Skivelager til magnetisk optagelse og gengivelse af information ved hjælp af magnethoveder.Info
- Publication number
- DK107624C DK107624C DK505164AA DK505164A DK107624C DK 107624 C DK107624 C DK 107624C DK 505164A A DK505164A A DK 505164AA DK 505164 A DK505164 A DK 505164A DK 107624 C DK107624 C DK 107624C
- Authority
- DK
- Denmark
- Prior art keywords
- reproduction
- information
- magnetic
- disc storage
- magnetic recording
- Prior art date
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
- G11B5/012—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
- G11B5/488—Disposition of heads
- G11B5/4886—Disposition of heads relative to rotating disc
-
- 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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP32785A DE1223420B (de) | 1963-10-16 | 1963-10-16 | Plattenspeicher mit schraeg zur Spur stehenden Magnetkoepfen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK107624C true DK107624C (da) | 1967-06-19 |
Family
ID=7372916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK505164AA DK107624C (da) | 1963-10-16 | 1964-10-13 | Skivelager til magnetisk optagelse og gengivelse af information ved hjælp af magnethoveder. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3384880A (da) |
| BE (1) | BE654436A (da) |
| DE (1) | DE1223420B (da) |
| DK (1) | DK107624C (da) |
| GB (1) | GB1020747A (da) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3500363A (en) * | 1966-07-11 | 1970-03-10 | Singer Co | Scanning apparatus |
| US3713122A (en) * | 1971-06-04 | 1973-01-23 | Ibm | Skewed high density magnetic head and method of manufacturing same |
| US3831191A (en) * | 1973-06-27 | 1974-08-20 | Ibm | Double-head configuration for magnetic disk for maximum density recording |
| US4388655A (en) * | 1977-09-13 | 1983-06-14 | Zenzefilis George E | Method and apparatus for recording and reproducing video and sound |
| DE2912708A1 (de) * | 1979-03-30 | 1980-10-09 | Basf Ag | Datenspeichersystem und magnetscheiben dafuer |
| DE3020826A1 (de) * | 1980-06-02 | 1981-12-10 | Basf Ag, 6700 Ludwigshafen | Magnetplattenspeicher |
| US4414589A (en) * | 1981-12-14 | 1983-11-08 | Northern Telecom Inc. | Embedded servo track following system and method for writing servo tracks |
| US4556924A (en) * | 1982-11-04 | 1985-12-03 | International Business Machines Corporation | Disk drive head accessing mechanism |
| US4514772A (en) * | 1983-02-09 | 1985-04-30 | Gill Cantwell | Apparatus for reading/writing data on magnetic disc |
| FR2557722B1 (fr) * | 1983-12-30 | 1986-04-11 | Bull Sa | Procede d'ecriture d'informations sur un support d'enregistrement |
| US4692821A (en) * | 1985-12-31 | 1987-09-08 | Zenzefilis George E | Disc memory storage apparatus and method |
| US4945427A (en) * | 1988-06-13 | 1990-07-31 | International Business Machines Corporation | Magnetic disk recording with variable track width and variable track density |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1008016B (de) * | 1954-08-06 | 1957-05-09 | Elektronik Ges Mit Beschraenkt | Tonkopffuehrung fuer Magnettongeraet mit scheibenfoermigem Tontraeger |
| US3187316A (en) * | 1958-11-13 | 1965-06-01 | Ex Cell O Corp | Magnetic data storage device utilizing discs with predetermined frequency zones |
| US3066196A (en) * | 1959-05-06 | 1962-11-27 | Gen Dynamics Corp | Frequency multiplication |
-
1963
- 1963-10-16 DE DEP32785A patent/DE1223420B/de active Pending
-
1964
- 1964-09-30 US US400443A patent/US3384880A/en not_active Expired - Lifetime
- 1964-10-13 DK DK505164AA patent/DK107624C/da active
- 1964-10-15 GB GB42083/64A patent/GB1020747A/en not_active Expired
- 1964-10-15 BE BE654436A patent/BE654436A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE654436A (da) | 1965-04-15 |
| DE1223420B (de) | 1966-08-25 |
| US3384880A (en) | 1968-05-21 |
| GB1020747A (en) | 1966-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH429219A (de) | Magnetischer Aufzeichnungsträger | |
| DK107624C (da) | Skivelager til magnetisk optagelse og gengivelse af information ved hjælp af magnethoveder. | |
| DK120510B (da) | Apparat til indspilning eller afspilning eller både ind- og afspilning af en båndformet indspilningsbærer, der er anbragt i en kassette. | |
| IT965427B (it) | Apparecchio di registrazione e riproduzione magnetica | |
| AT272690B (de) | Magnetkopf zum Aufzeichnen und/oder Wiedergeben von Informationen | |
| IT954376B (it) | Apparecchio di registrazione e oppure riproduzione magnetica | |
| DK118410B (da) | Apparat til optagelse og/eller gengivelse af magnetiske indspilninger. | |
| DK109056C (da) | Magnetisk registrerings- og gengiveapparat. | |
| IT960880B (it) | Apparecchio di registrazione e oppure riproduzione magnetica | |
| DK117323B (da) | Magasingrammofon til valgfri afspilning af grammofonplader. | |
| IT973607B (it) | Apparecchio di registrazione e oppure riproduzione magnetica | |
| FR1354910A (fr) | Procédé d'enregistrement et de reproduction d'images cinématographiques et support d'un tel enregistrement | |
| IT947823B (it) | Procedimento e apparecchiatura per registrare informazioni su dischi fonografici | |
| IT945128B (it) | Apparecchio di registrazione e di riproduzione magnetica | |
| IT958368B (it) | Apparecchio di registrazione e oppure riproduzione magnetica | |
| FR1202159A (fr) | Appareil d'enregistrement et de reproduction de données magnétiques | |
| DK102316C (da) | Fremgangsmåde til fremstilling af magnetiske optage- og gengivehoveder. | |
| AU273745B2 (en) | Apparatus for reading information recorded ona magnetic record medium | |
| AU247726B2 (en) | Apparatus for reading information magnetically recorded ona record medium | |
| CA663292A (en) | Methods and apparatus for recording and reproducing magnetic information | |
| FR1453142A (fr) | Procédés de reproduction d'images, d'enregistrement et de reproduction d'informations | |
| FR1450131A (fr) | Procédé pour l'enregistrement et la reproduction d'informations sur un support d'enregistrement | |
| AU6371560A (en) | Apparatus for reading information magnetically recorded ona record medium | |
| SU440007A3 (ru) | Устройство магнитной записи на дисковые носители информаций | |
| FR1309583A (fr) | Support d'enregistrement magnétique permettant la lecture optique rapide des données enregistrées |