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FR1375571A - Magnetic recording process - Google Patents

Magnetic recording process

Info

Publication number
FR1375571A
FR1375571A FR955192A FR955192A FR1375571A FR 1375571 A FR1375571 A FR 1375571A FR 955192 A FR955192 A FR 955192A FR 955192 A FR955192 A FR 955192A FR 1375571 A FR1375571 A FR 1375571A
Authority
FR
France
Prior art keywords
magnetic recording
recording process
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
FR955192A
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.)
Sperry Corp
Original Assignee
Sperry Rand 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 US242456A external-priority patent/US3331079A/en
Application filed by Sperry Rand Corp filed Critical Sperry Rand Corp
Priority to FR955192A priority Critical patent/FR1375571A/en
Application granted granted Critical
Publication of FR1375571A publication Critical patent/FR1375571A/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
    • G11B20/1488—Digital recording or reproducing using self-clocking codes characterised by the use of three levels
    • G11B20/1492—Digital recording or reproducing using self-clocking codes characterised by the use of three levels two levels are symmetric, in respect of the sign to the third level which is "zero"
    • 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)
FR955192A 1962-12-05 1963-11-27 Magnetic recording process Expired FR1375571A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR955192A FR1375571A (en) 1962-12-05 1963-11-27 Magnetic recording process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US242456A US3331079A (en) 1962-12-05 1962-12-05 Apparatus for inhibiting non-significant pulse signals
FR955192A FR1375571A (en) 1962-12-05 1963-11-27 Magnetic recording process

Publications (1)

Publication Number Publication Date
FR1375571A true FR1375571A (en) 1964-10-16

Family

ID=26204555

Family Applications (1)

Application Number Title Priority Date Filing Date
FR955192A Expired FR1375571A (en) 1962-12-05 1963-11-27 Magnetic recording process

Country Status (1)

Country Link
FR (1) FR1375571A (en)

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