BE625057A - - Google Patents

Info

Publication number
BE625057A
BE625057A BE625057DA BE625057A BE 625057 A BE625057 A BE 625057A BE 625057D A BE625057D A BE 625057DA BE 625057 A BE625057 A BE 625057A
Authority
BE
Belgium
Application number
Priority date (The priority date 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 date listed.)
Publication of BE625057A publication Critical patent/BE625057A/xx

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/22Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records
    • G11B17/28Guiding 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/16Digital 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00Apparatus 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
    • G11B25/04Apparatus 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
    • G11B25/043Apparatus 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/4806Disposition 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/54Disposition 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
    • G11B5/55Track change, selection or acquisition by displacement of the head
    • G11B5/5521Track change, selection or acquisition by displacement of the head across disk tracks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Moving Of Heads (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Magnetic Record Carriers (AREA)
BE625057D 1961-12-07 BE625057A (US07122603-20061017-C00045.png)

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
BE625057A true BE625057A (US07122603-20061017-C00045.png)

Family

ID=22564733

Family Applications (1)

Application Number Title Priority Date Filing Date
BE625057D BE625057A (US07122603-20061017-C00045.png) 1961-12-07

Country Status (10)

Country Link
US (1) US3187317A (US07122603-20061017-C00045.png)
BE (1) BE625057A (US07122603-20061017-C00045.png)
CH (1) CH412000A (US07122603-20061017-C00045.png)
DE (2) DE1299720B (US07122603-20061017-C00045.png)
ES (1) ES283190A1 (US07122603-20061017-C00045.png)
GB (1) GB998562A (US07122603-20061017-C00045.png)
LU (1) LU42719A1 (US07122603-20061017-C00045.png)
NL (2) NL130690C (US07122603-20061017-C00045.png)
NO (1) NO115624B (US07122603-20061017-C00045.png)
SE (1) SE323989B (US07122603-20061017-C00045.png)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 (US07122603-20061017-C00045.png) * 1955-12-09 1959-11-12
FR179326A (US07122603-20061017-C00045.png) * 1956-05-14
US2907009A (en) * 1956-07-05 1959-09-29 Ibm Magnetic head commutator
NL236375A (US07122603-20061017-C00045.png) * 1958-02-21 1900-01-01

Also Published As

Publication number Publication date
NO115624B (US07122603-20061017-C00045.png) 1968-11-04
US3187317A (en) 1965-06-01
CH412000A (fr) 1966-04-30
NL130690C (US07122603-20061017-C00045.png)
ES283190A1 (es) 1963-02-01
DE1774486A1 (de) 1972-01-13
SE323989B (US07122603-20061017-C00045.png) 1970-05-19
NL286162A (US07122603-20061017-C00045.png)
DE1299720B (de) 1969-07-24
GB998562A (en) 1965-07-14
LU42719A1 (US07122603-20061017-C00045.png) 1963-01-21

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