FR2420815B1 - - Google Patents

Info

Publication number
FR2420815B1
FR2420815B1 FR7903172A FR7903172A FR2420815B1 FR 2420815 B1 FR2420815 B1 FR 2420815B1 FR 7903172 A FR7903172 A FR 7903172A FR 7903172 A FR7903172 A FR 7903172A FR 2420815 B1 FR2420815 B1 FR 2420815B1
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.)
Expired
Application number
FR7903172A
Other languages
French (fr)
Other versions
FR2420815A1 (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
Priority claimed from US05/888,437 external-priority patent/US4170030A/en
Priority claimed from US05/888,603 external-priority patent/US4170031A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2420815A1 publication Critical patent/FR2420815A1/en
Application granted granted Critical
Publication of FR2420815B1 publication Critical patent/FR2420815B1/fr
Granted 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/22—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records
    • G11B17/28—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records the magazine having a cylindrical shape with horizontal axis
FR7903172A 1978-03-20 1979-02-01 MAGNETIC MEMORY WITH SOFT DISCS IN ENVELOPES Granted FR2420815A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/888,437 US4170030A (en) 1978-03-20 1978-03-20 Drive machine moving magnetic disks only partially therein for data transfer
US05/888,603 US4170031A (en) 1978-03-20 1978-03-20 Loading mechanism for magnetic diskettes

Publications (2)

Publication Number Publication Date
FR2420815A1 FR2420815A1 (en) 1979-10-19
FR2420815B1 true FR2420815B1 (en) 1983-10-07

Family

ID=27128882

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7903172A Granted FR2420815A1 (en) 1978-03-20 1979-02-01 MAGNETIC MEMORY WITH SOFT DISCS IN ENVELOPES

Country Status (2)

Country Link
FR (1) FR2420815A1 (en)
GB (1) GB2016794B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4635150A (en) * 1982-02-22 1987-01-06 Victor Company Of Japan Ltd. Apparatus for automatically selecting and reproducing a recording medium
US4466033A (en) * 1982-02-24 1984-08-14 Apple Computer, Inc. Disk drive with automatic disc clamping and ejecting
FR2583562A1 (en) * 1985-06-14 1986-12-19 Handisoft Apparatus enabling microcomputer diskettes to be loaded and unloaded without human manipulation
JPH01133256A (en) * 1987-11-18 1989-05-25 Sanyo Electric Co Ltd Carrier member for auto-changer

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB590786A (en) * 1944-07-06 1947-07-29 Erik Arne Landberg Improvements in automatic gramophones
US3293414A (en) * 1962-08-15 1966-12-20 Ibm Record transport device
US3514769A (en) * 1967-01-13 1970-05-26 Ibm Random access data file
US3678481A (en) * 1970-03-13 1972-07-18 Ibm Data storage apparatus employing a single magnetic disk
US3815150A (en) * 1972-06-23 1974-06-04 Memorex Corp Flexible disc drive
US3846836A (en) * 1973-08-30 1974-11-05 Ibm Loading and unloading mechanism for flexible magnetic disks
FR2309012A1 (en) * 1975-04-21 1976-11-19 Ibm FLEXIBLE MAGNETIC DISC MEMORY
DE2612854C3 (en) * 1976-03-26 1980-09-04 Basf Ag, 6700 Ludwigshafen Magazine and device for a variety of recording media
AU507089B2 (en) * 1976-03-26 1980-01-31 Basf Aktiengesellschaft Changeover mechanism for recording media, especially for floppy disks
US4040107A (en) * 1976-04-21 1977-08-02 Persci, Inc. Disk positioning and ejection device in a disk drive

Also Published As

Publication number Publication date
GB2016794B (en) 1982-08-11
GB2016794A (en) 1979-09-26
FR2420815A1 (en) 1979-10-19

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Legal Events

Date Code Title Description
ST Notification of lapse