BE654436A - - Google Patents
Info
- Publication number
- BE654436A BE654436A BE654436A BE654436A BE654436A BE 654436 A BE654436 A BE 654436A BE 654436 A BE654436 A BE 654436A BE 654436 A BE654436 A BE 654436A BE 654436 A BE654436 A BE 654436A
- Authority
- BE
- Belgium
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 |
|---|---|
| BE654436A true BE654436A (da) | 1965-04-15 |
Family
ID=7372916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE654436A BE654436A (da) | 1963-10-16 | 1964-10-15 |
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 |
|---|---|
| DK107624C (da) | 1967-06-19 |
| DE1223420B (de) | 1966-08-25 |
| US3384880A (en) | 1968-05-21 |
| GB1020747A (en) | 1966-02-23 |