FR1141865A - Dispositif de contrôle d'enregistrements magnétiques - Google Patents

Dispositif de contrôle d'enregistrements magnétiques

Info

Publication number
FR1141865A
FR1141865A FR1141865DA FR1141865A FR 1141865 A FR1141865 A FR 1141865A FR 1141865D A FR1141865D A FR 1141865DA FR 1141865 A FR1141865 A FR 1141865A
Authority
FR
France
Prior art keywords
control device
magnetic recording
recording control
magnetic
recording
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.)
Expired
Application number
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR1141865A publication Critical patent/FR1141865A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Inverter Devices (AREA)
FR1141865D 1954-02-08 1955-02-07 Dispositif de contrôle d'enregistrements magnétiques Expired FR1141865A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US408702A US2819457A (en) 1954-02-08 1954-02-08 Timing and clocking circuits

Publications (1)

Publication Number Publication Date
FR1141865A true FR1141865A (fr) 1957-09-11

Family

ID=23617394

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1141865D Expired FR1141865A (fr) 1954-02-08 1955-02-07 Dispositif de contrôle d'enregistrements magnétiques

Country Status (8)

Country Link
US (1) US2819457A (fr)
JP (1) JPS341353B1 (fr)
BE (1) BE535498A (fr)
DE (1) DE1050092B (fr)
FR (1) FR1141865A (fr)
GB (1) GB768183A (fr)
IT (1) IT530120A (fr)
NL (1) NL194193A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1051032B (fr) * 1955-03-08 1959-02-19
US3374462A (en) * 1956-03-02 1968-03-19 Burroughs Corp Timing circuitry in a drum storage computer system
US3026481A (en) * 1957-09-30 1962-03-20 Ibm Synchronized time system
US2996248A (en) * 1957-12-31 1961-08-15 Bell Telephone Labor Inc Supervisory system for an electronic counter
US3061680A (en) * 1959-05-25 1962-10-30 Gen Dynamics Corp Time division multiplex resonant transfer transmission system
US3191153A (en) * 1959-06-29 1965-06-22 Sperry Rand Corp Error detection circuit
US3082407A (en) * 1961-04-19 1963-03-19 Eastman Kodak Co Device for transferring digital data from a medium to a recording device
US3195118A (en) * 1961-08-24 1965-07-13 Ibm Data storage timing system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2609439A (en) * 1949-09-20 1952-09-02 Teleregister Corp Indicator setting mechanism operable by means of character comparisons
BE498945A (fr) * 1949-10-26
US2609498A (en) * 1950-01-07 1952-09-02 Bell Telephone Labor Inc Pulse counting and registration system
US2614169A (en) * 1950-07-24 1952-10-14 Engineering Res Associates Inc Storage and relay system
US2623108A (en) * 1950-08-31 1952-12-23 Bell Telephone Labor Inc Fault signaling system
US2685683A (en) * 1950-08-31 1954-08-03 Bell Telephone Labor Inc Fault signaling system for counting chain
US2679638A (en) * 1952-11-26 1954-05-25 Rca Corp Computer system

Also Published As

Publication number Publication date
IT530120A (fr)
US2819457A (en) 1958-01-07
GB768183A (en) 1957-02-13
NL194193A (fr)
JPS341353B1 (fr) 1959-03-13
BE535498A (fr)
DE1050092B (de) 1959-02-05

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