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FR2135175A1 - - Google Patents

Info

Publication number
FR2135175A1
FR2135175A1 FR7214445A FR7214445A FR2135175A1 FR 2135175 A1 FR2135175 A1 FR 2135175A1 FR 7214445 A FR7214445 A FR 7214445A FR 7214445 A FR7214445 A FR 7214445A FR 2135175 A1 FR2135175 A1 FR 2135175A1
Authority
FR
France
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.)
Granted
Application number
FR7214445A
Other languages
French (fr)
Other versions
FR2135175B1 (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.)
Unisys Corp
Original Assignee
Burroughs 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 Burroughs Corp filed Critical Burroughs Corp
Publication of FR2135175A1 publication Critical patent/FR2135175A1/fr
Application granted granted Critical
Publication of FR2135175B1 publication Critical patent/FR2135175B1/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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • G11B5/725—Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers
FR7214445A 1971-05-06 1972-04-24 Expired FR2135175B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14084671A 1971-05-06 1971-05-06

Publications (2)

Publication Number Publication Date
FR2135175A1 true FR2135175A1 (en) 1972-12-15
FR2135175B1 FR2135175B1 (en) 1979-01-12

Family

ID=22493053

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7214445A Expired FR2135175B1 (en) 1971-05-06 1972-04-24

Country Status (3)

Country Link
BE (1) BE783111A (en)
FR (1) FR2135175B1 (en)
GB (1) GB1395041A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447072A1 (en) * 1979-01-17 1980-08-14 Cii Honeywell Bull BODY CONTAINING AT LEAST ONE TRANSDUCER FOR READING AND / OR RECORDING INFORMATION CONTAINED ON A MEDIUM

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB679962A (en) * 1949-07-16 1952-09-24 Emi Ltd Improvements in or relating to magnetic sound recording or reproducing media and magnetic sound recording or reproducing apparatus for use therewith
CH462891A (en) * 1966-12-01 1968-09-30 Ncr Co Magnetic recording medium

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB679962A (en) * 1949-07-16 1952-09-24 Emi Ltd Improvements in or relating to magnetic sound recording or reproducing media and magnetic sound recording or reproducing apparatus for use therewith
CH462891A (en) * 1966-12-01 1968-09-30 Ncr Co Magnetic recording medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447072A1 (en) * 1979-01-17 1980-08-14 Cii Honeywell Bull BODY CONTAINING AT LEAST ONE TRANSDUCER FOR READING AND / OR RECORDING INFORMATION CONTAINED ON A MEDIUM

Also Published As

Publication number Publication date
BE783111A (en) 1972-09-01
FR2135175B1 (en) 1979-01-12
GB1395041A (en) 1975-05-21

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Legal Events

Date Code Title Description
ST Notification of lapse