DE2525056A1 - Magnetisches speichersystem hoher dichte - Google Patents

Magnetisches speichersystem hoher dichte

Info

Publication number
DE2525056A1
DE2525056A1 DE19752525056 DE2525056A DE2525056A1 DE 2525056 A1 DE2525056 A1 DE 2525056A1 DE 19752525056 DE19752525056 DE 19752525056 DE 2525056 A DE2525056 A DE 2525056A DE 2525056 A1 DE2525056 A1 DE 2525056A1
Authority
DE
Germany
Prior art keywords
signal
frequency
bit cell
bit
circuit
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
DE19752525056
Other languages
German (de)
English (en)
Inventor
Noboru Gardena Kimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vrc California Inc
Original Assignee
Vrc California Inc
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.)
Filing date
Publication date
Application filed by Vrc California Inc filed Critical Vrc California Inc
Publication of DE2525056A1 publication Critical patent/DE2525056A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G11B20/14Digital recording or reproducing using self-clocking codes
    • G11B20/1403Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Magnetic Recording (AREA)
  • Dc Digital Transmission (AREA)
DE19752525056 1974-06-07 1975-06-05 Magnetisches speichersystem hoher dichte Withdrawn DE2525056A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US477447A US3930265A (en) 1974-06-07 1974-06-07 High density magnetic storage system

Publications (1)

Publication Number Publication Date
DE2525056A1 true DE2525056A1 (de) 1975-12-18

Family

ID=23895948

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752525056 Withdrawn DE2525056A1 (de) 1974-06-07 1975-06-05 Magnetisches speichersystem hoher dichte

Country Status (5)

Country Link
US (1) US3930265A (enExample)
JP (1) JPS5140111A (enExample)
CA (1) CA1063718A (enExample)
DE (1) DE2525056A1 (enExample)
GB (1) GB1513901A (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000513A (en) * 1975-07-28 1976-12-28 Computer Peripherals, Inc. Apparatus and method for data recording with peak shift compensation
US4000512A (en) * 1975-12-17 1976-12-28 Redactron Corporation Width modulated magnetic recording
US4219851A (en) * 1978-11-24 1980-08-26 Honeywell Information Systems Inc. Group coded recording data recovery system
US4281356A (en) * 1979-11-28 1981-07-28 R. C. Sanders Technology Systems, Inc. Magnetic disk memory
US4623170A (en) * 1983-06-02 1986-11-18 Cornwall Kenneth R Coupling
JPS628305A (ja) * 1985-07-03 1987-01-16 Alps Electric Co Ltd 磁気記録再生装置
JPH0619808B2 (ja) * 1985-07-03 1994-03-16 アルプス電気株式会社 磁気記録再生装置
JPH0674371B2 (ja) * 1985-07-23 1994-09-21 東芝ケミカル株式会社 積層板用樹脂組成物
US5594597A (en) * 1991-11-01 1997-01-14 Iomega Corporation Neural network disk drive read channel pattern detector
JP3447009B1 (ja) 2002-10-29 2003-09-16 實 平垣 構築物用構成体およびその製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3226685A (en) * 1961-06-02 1965-12-28 Potter Instrument Co Inc Digital recording systems utilizing ternary, n bit binary and other self-clocking forms
US3588836A (en) * 1967-11-24 1971-06-28 Gen Dynamics Corp Magnetic recording
US3577192A (en) * 1968-02-01 1971-05-04 Ibm Reproduce head with peak sensing circuit
US3643228A (en) * 1969-10-27 1972-02-15 Honeywell Inf Systems High-density storage and retrieval system
US3648265A (en) * 1969-12-30 1972-03-07 Ibm Magnetic data storage system with interleaved nrzi coding
US3641525A (en) * 1970-08-17 1972-02-08 Ncr Co Self-clocking five bit record-playback system
US3622894A (en) * 1970-12-07 1971-11-23 Ibm Predetection signal compensation
US3750121A (en) * 1971-06-18 1973-07-31 Honeywell Inc Address marker encoder in three frequency recording
US3855616A (en) * 1973-10-01 1974-12-17 Ibm Phase shift reducing digital signal recording having no d.c. component

Also Published As

Publication number Publication date
CA1063718A (en) 1979-10-02
JPS5634927B2 (enExample) 1981-08-13
JPS5140111A (en) 1976-04-03
GB1513901A (en) 1978-06-14
US3930265A (en) 1975-12-30

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8128 New person/name/address of the agent

Representative=s name: HANSMANN, A., DIPL.-WIRTSCH.-ING., PAT.-ANW., 8000

8130 Withdrawal