FR1455990A - Variable density information recording and reproduction system - Google Patents

Variable density information recording and reproduction system

Info

Publication number
FR1455990A
FR1455990A FR27976A FR27976A FR1455990A FR 1455990 A FR1455990 A FR 1455990A FR 27976 A FR27976 A FR 27976A FR 27976 A FR27976 A FR 27976A FR 1455990 A FR1455990 A FR 1455990A
Authority
FR
France
Prior art keywords
information recording
reproduction system
density information
variable density
variable
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
FR27976A
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.)
Anelex Corp
Original Assignee
Anelex 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 US402499A external-priority patent/US3377583A/en
Application filed by Anelex Corp filed Critical Anelex Corp
Priority to FR27976A priority Critical patent/FR1455990A/en
Application granted granted Critical
Publication of FR1455990A publication Critical patent/FR1455990A/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
    • G11B20/1403—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR27976A 1964-10-08 1965-08-11 Variable density information recording and reproduction system Expired FR1455990A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR27976A FR1455990A (en) 1964-10-08 1965-08-11 Variable density information recording and reproduction system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US402499A US3377583A (en) 1964-10-08 1964-10-08 Variable density magnetic binary recording and reproducing system
FR27976A FR1455990A (en) 1964-10-08 1965-08-11 Variable density information recording and reproduction system

Publications (1)

Publication Number Publication Date
FR1455990A true FR1455990A (en) 1966-05-20

Family

ID=26165383

Family Applications (1)

Application Number Title Priority Date Filing Date
FR27976A Expired FR1455990A (en) 1964-10-08 1965-08-11 Variable density information recording and reproduction system

Country Status (1)

Country Link
FR (1) FR1455990A (en)

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