FR1504300A - Système d'enregistrement magnétique - Google Patents

Système d'enregistrement magnétique

Info

Publication number
FR1504300A
FR1504300A FR8181A FR06008181A FR1504300A FR 1504300 A FR1504300 A FR 1504300A FR 8181 A FR8181 A FR 8181A FR 06008181 A FR06008181 A FR 06008181A FR 1504300 A FR1504300 A FR 1504300A
Authority
FR
France
Prior art keywords
magnetic recording
recording system
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
FR8181A
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 FR1504300A publication Critical patent/FR1504300A/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
    • G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
    • G11B20/1411—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol conversion to or from pulse width coding
FR8181A 1965-12-13 1966-12-05 Système d'enregistrement magnétique Expired FR1504300A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51349065A 1965-12-13 1965-12-13

Publications (1)

Publication Number Publication Date
FR1504300A true FR1504300A (fr) 1967-12-01

Family

ID=24043507

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8181A Expired FR1504300A (fr) 1965-12-13 1966-12-05 Système d'enregistrement magnétique

Country Status (8)

Country Link
US (1) US3434131A (fr)
BE (1) BE690322A (fr)
CH (1) CH452602A (fr)
DE (1) DE1499738C3 (fr)
FR (1) FR1504300A (fr)
GB (1) GB1142067A (fr)
NL (1) NL6617455A (fr)
SE (1) SE347134B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5666813B2 (ja) * 2010-03-15 2015-02-12 株式会社テセック 時間幅測定装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3357003A (en) * 1964-12-28 1967-12-05 Ibm Single channel quaternary magnetic recording system

Also Published As

Publication number Publication date
DE1499738B2 (de) 1973-06-14
SE347134B (fr) 1972-07-24
DE1499738C3 (de) 1974-01-10
NL6617455A (fr) 1967-06-14
US3434131A (en) 1969-03-18
CH452602A (de) 1968-03-15
BE690322A (fr) 1967-05-02
DE1499738A1 (de) 1970-05-06
GB1142067A (en) 1969-02-05

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