FR2103834A5 - - Google Patents

Info

Publication number
FR2103834A5
FR2103834A5 FR7128200A FR7128200A FR2103834A5 FR 2103834 A5 FR2103834 A5 FR 2103834A5 FR 7128200 A FR7128200 A FR 7128200A FR 7128200 A FR7128200 A FR 7128200A FR 2103834 A5 FR2103834 A5 FR 2103834A5
Authority
FR
France
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.)
Expired
Application number
FR7128200A
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.)
NCR Voyix Corp
National Cash Register Co
Original Assignee
NCR Corp
National Cash Register Co
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 NCR Corp, National Cash Register Co filed Critical NCR Corp
Application granted granted Critical
Publication of FR2103834A5 publication Critical patent/FR2103834A5/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code 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)
FR7128200A 1970-08-17 1971-08-02 Expired FR2103834A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6435570A 1970-08-17 1970-08-17

Publications (1)

Publication Number Publication Date
FR2103834A5 true FR2103834A5 (fr) 1972-04-14

Family

ID=22055369

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7128200A Expired FR2103834A5 (fr) 1970-08-17 1971-08-02

Country Status (9)

Country Link
US (1) US3641525A (fr)
JP (1) JPS5315363B1 (fr)
BE (1) BE771278A (fr)
CA (2) CA936953A (fr)
CH (1) CH528798A (fr)
DE (1) DE2140646A1 (fr)
FR (1) FR2103834A5 (fr)
GB (1) GB1317504A (fr)
ZA (1) ZA714765B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2329022A1 (fr) * 1975-10-21 1977-05-20 Sperry Rand Corp Appareil d'enregistrement et de reproduction a support magnetique pour signaux de donnees binaires

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4032979A (en) * 1972-12-26 1977-06-28 Digital Development Corporation Method and system for encoding and decoding digital data
US3930265A (en) * 1974-06-07 1975-12-30 Vrc California High density magnetic storage system
NL7605529A (nl) * 1976-05-24 1977-11-28 Philips Nv Inrichting voor het overdragen van digitale informatie.
US4146909A (en) * 1977-11-21 1979-03-27 International Business Machines Corporation Sync pattern encoding system for run-length limited codes
US4544962A (en) * 1981-07-06 1985-10-01 Matsushita Electric Industrial Co., Ltd. Method and apparatus for processing binary data
US4549167A (en) * 1983-03-03 1985-10-22 Matsushita Electric Industrial Co., Ltd. Method of encoding and decoding binary data
US5453742A (en) * 1993-10-18 1995-09-26 Cox; David F. High density data compression encode/decode circuit apparatus and method of using in local area networks
US20040191573A1 (en) * 2003-03-31 2004-09-30 Fuller Richard M. Magnetic recording media exhibiting decreased tape dropout performance

Family Cites Families (4)

* 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
US3274611A (en) * 1963-12-27 1966-09-20 Ibm Binary to ternary code conversion recording system
US3357003A (en) * 1964-12-28 1967-12-05 Ibm Single channel quaternary magnetic recording system
US3500385A (en) * 1967-07-17 1970-03-10 Ibm Coded data storage and retrieval system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2329022A1 (fr) * 1975-10-21 1977-05-20 Sperry Rand Corp Appareil d'enregistrement et de reproduction a support magnetique pour signaux de donnees binaires

Also Published As

Publication number Publication date
GB1317504A (en) 1973-05-23
CA936953A (en) 1973-11-13
JPS5315363B1 (fr) 1978-05-24
ZA714765B (en) 1972-04-26
AU3187971A (en) 1973-02-08
CH528798A (de) 1972-09-30
DE2140646A1 (de) 1972-02-24
BE771278A (fr) 1971-12-16
US3641525A (en) 1972-02-08
CA1051116B (fr) 1979-03-20

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse