FR1420767A - Ternary recording system - Google Patents

Ternary recording system

Info

Publication number
FR1420767A
FR1420767A FR999947A FR999947A FR1420767A FR 1420767 A FR1420767 A FR 1420767A FR 999947 A FR999947 A FR 999947A FR 999947 A FR999947 A FR 999947A FR 1420767 A FR1420767 A FR 1420767A
Authority
FR
France
Prior art keywords
recording system
ternary recording
ternary
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
FR999947A
Other languages
French (fr)
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
Priority claimed from US333820A external-priority patent/US3274611A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Priority to FR999947A priority Critical patent/FR1420767A/en
Application granted granted Critical
Publication of FR1420767A publication Critical patent/FR1420767A/en
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
    • 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
    • G11B20/1488—Digital recording or reproducing using self-clocking codes characterised by the use of three levels

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR999947A 1963-12-27 1964-12-24 Ternary recording system Expired FR1420767A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR999947A FR1420767A (en) 1963-12-27 1964-12-24 Ternary recording system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US333820A US3274611A (en) 1963-12-27 1963-12-27 Binary to ternary code conversion recording system
FR999947A FR1420767A (en) 1963-12-27 1964-12-24 Ternary recording system

Publications (1)

Publication Number Publication Date
FR1420767A true FR1420767A (en) 1965-12-10

Family

ID=26212049

Family Applications (1)

Application Number Title Priority Date Filing Date
FR999947A Expired FR1420767A (en) 1963-12-27 1964-12-24 Ternary recording system

Country Status (1)

Country Link
FR (1) FR1420767A (en)

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