FR2021429A1 - - Google Patents

Info

Publication number
FR2021429A1
FR2021429A1 FR6932243A FR6932243A FR2021429A1 FR 2021429 A1 FR2021429 A1 FR 2021429A1 FR 6932243 A FR6932243 A FR 6932243A FR 6932243 A FR6932243 A FR 6932243A FR 2021429 A1 FR2021429 A1 FR 2021429A1
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.)
Withdrawn
Application number
FR6932243A
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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2021429A1 publication Critical patent/FR2021429A1/fr
Withdrawn legal-status Critical Current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
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
FR6932243A 1968-10-24 1969-09-16 Withdrawn FR2021429A1 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77017168A 1968-10-24 1968-10-24

Publications (1)

Publication Number Publication Date
FR2021429A1 true FR2021429A1 (enExample) 1970-07-24

Family

ID=25087698

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6932243A Withdrawn FR2021429A1 (enExample) 1968-10-24 1969-09-16

Country Status (4)

Country Link
JP (1) JPS516530B1 (enExample)
DE (1) DE1953463A1 (enExample)
FR (1) FR2021429A1 (enExample)
GB (1) GB1214780A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01111886U (enExample) * 1988-01-25 1989-07-27
IE883775L (en) * 1988-12-19 1990-06-19 Ocorralk Ltd Signal wave form converting circuit

Also Published As

Publication number Publication date
GB1214780A (en) 1970-12-02
DE1953463B2 (enExample) 1979-01-04
JPS516530B1 (enExample) 1976-02-28
DE1953463A1 (de) 1970-05-21
DE1953463C3 (enExample) 1979-09-20

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Legal Events

Date Code Title Description
ST Notification of lapse