NL286162A - - Google Patents

Info

Publication number
NL286162A
NL286162A NL286162DA NL286162A NL 286162 A NL286162 A NL 286162A NL 286162D A NL286162D A NL 286162DA NL 286162 A NL286162 A NL 286162A
Authority
NL
Netherlands
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 NL286162A publication Critical patent/NL286162A/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)
  • 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)
NL286162D 1961-12-07 NL286162A (de)

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
NL286162A true NL286162A (de)

Family

ID=22564733

Family Applications (2)

Application Number Title Priority Date Filing Date
NL130690D NL130690C (de) 1961-12-07
NL286162D NL286162A (de) 1961-12-07

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL130690D NL130690C (de) 1961-12-07

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)

* 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 (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

Also Published As

Publication number Publication date
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
LU42719A1 (de) 1963-01-21
CH412000A (fr) 1966-04-30
DE1299720B (de) 1969-07-24
DE1774486A1 (de) 1972-01-13
BE625057A (de)

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