LU42719A1 - - Google Patents
Info
- Publication number
- LU42719A1 LU42719A1 LU42719DA LU42719A1 LU 42719 A1 LU42719 A1 LU 42719A1 LU 42719D A LU42719D A LU 42719DA LU 42719 A1 LU42719 A1 LU 42719A1
- Authority
- LU
- Luxembourg
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
- G11B17/22—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records
- G11B17/28—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records the magazine having a cylindrical shape with horizontal axis
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/16—Digital recording or reproducing using non self-clocking codes, i.e. the clock signals are either recorded in a separate clocking track or in a combination of several information tracks
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
- G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
- G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
-
- 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
- G11B5/4806—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 specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
-
- 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
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Moving Of Heads (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Supporting Of Heads In Record-Carrier Devices (AREA)
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US157667A US3187317A (en) | 1961-12-07 | 1961-12-07 | Disc file |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU42719A1 true LU42719A1 (de) | 1963-01-21 |
Family
ID=22564733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU42719D LU42719A1 (de) | 1961-12-07 | 1962-11-20 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3187317A (de) |
| BE (1) | BE625057A (de) |
| CH (1) | CH412000A (de) |
| DE (2) | DE1774486A1 (de) |
| ES (1) | ES283190A1 (de) |
| GB (1) | GB998562A (de) |
| LU (1) | LU42719A1 (de) |
| NL (2) | NL286162A (de) |
| NO (1) | NO115624B (de) |
| SE (1) | SE323989B (de) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3336581A (en) * | 1964-07-13 | 1967-08-15 | Burroughs Corp | Addressing matrix for disk memories |
| GB1176481A (en) * | 1966-09-07 | 1970-01-01 | Zonal Film Magnetic Coatings L | Magnetic Disk Packs |
| US3548394A (en) * | 1968-02-26 | 1970-12-15 | Scient Data Systems Inc | Rotating magnetic disc storage structure |
| US3577132A (en) * | 1968-06-06 | 1971-05-04 | Ibm | Phase locked oscillator for storage apparatus |
| US3882473A (en) * | 1970-03-18 | 1975-05-06 | Ibm | Magnetic disk storage file |
| US3913137A (en) * | 1973-11-23 | 1975-10-14 | Sycor Inc | Twin flexible disc recorder with movable heads |
| US3913142A (en) * | 1974-03-11 | 1975-10-14 | Xerox Corp | Head interlacing technique |
| 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 |
| US4432025A (en) * | 1981-05-29 | 1984-02-14 | International Business Machines Corporation | System and method for formatting pairs of concentric magnetic tracks of different capacity to a plurality of equal capacity logical tracks |
| FR2561428B1 (fr) * | 1984-03-16 | 1986-09-12 | Bull Sa | Procede d'enregistrement dans une memoire a disques et systeme de memoire a disques |
| GB2178585B (en) * | 1985-07-29 | 1989-09-20 | Tandon Corp | Storage media transducer loading/unloading and carriage lock mechanism |
| US5223993A (en) * | 1989-11-03 | 1993-06-29 | Conner Peripherals, Inc. | Multiple actuator disk drive |
| JPH09330557A (ja) * | 1996-06-11 | 1997-12-22 | Fujitsu Ltd | ディスク装置のスピンドル組立体 |
| KR100546404B1 (ko) * | 2004-02-25 | 2006-01-26 | 삼성전자주식회사 | 하드디스크 드라이브의 데이터 기록 방법, 이에 적합한기록 장치 및 기록 매체 |
| US7135859B2 (en) * | 2004-04-06 | 2006-11-14 | Murugesan Sethu | Rotary and angular position sensing |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2811709A (en) * | 1954-01-12 | 1957-10-29 | Teleregister Corp | Multiple-head scanning device for magnetic disk records |
| US2800642A (en) * | 1954-02-10 | 1957-07-23 | Teleregister Corp | Magnetic disk scanning device with channel selector for concentric circular track scanning |
| DE1068750B (de) * | 1955-12-09 | 1959-11-12 | ||
| NL217213A (de) * | 1956-05-14 | |||
| US2907009A (en) * | 1956-07-05 | 1959-09-29 | Ibm | Magnetic head commutator |
| NL236375A (de) * | 1958-02-21 | 1900-01-01 |
-
0
- NL NL130690D patent/NL130690C/xx active
- NL NL286162D patent/NL286162A/xx unknown
- BE BE625057D patent/BE625057A/xx unknown
-
1961
- 1961-12-07 US US157667A patent/US3187317A/en not_active Expired - Lifetime
-
1962
- 1962-11-20 LU LU42719D patent/LU42719A1/xx unknown
- 1962-11-23 CH CH1372862A patent/CH412000A/fr unknown
- 1962-11-26 NO NO146592A patent/NO115624B/no unknown
- 1962-12-05 DE DE19621774486 patent/DE1774486A1/de active Pending
- 1962-12-05 GB GB45904/62A patent/GB998562A/en not_active Expired
- 1962-12-05 DE DEE23959A patent/DE1299720B/de active Pending
- 1962-12-06 SE SE13174/62A patent/SE323989B/xx unknown
- 1962-12-07 ES ES283190A patent/ES283190A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL286162A (de) | |
| NO115624B (de) | 1968-11-04 |
| NL130690C (de) | |
| GB998562A (en) | 1965-07-14 |
| SE323989B (de) | 1970-05-19 |
| ES283190A1 (es) | 1963-02-01 |
| US3187317A (en) | 1965-06-01 |
| CH412000A (fr) | 1966-04-30 |
| DE1299720B (de) | 1969-07-24 |
| DE1774486A1 (de) | 1972-01-13 |
| BE625057A (de) |