GB1312356A - Magnetic recording apparatus - Google Patents

Magnetic recording apparatus

Info

Publication number
GB1312356A
GB1312356A GB3600370A GB3600370A GB1312356A GB 1312356 A GB1312356 A GB 1312356A GB 3600370 A GB3600370 A GB 3600370A GB 3600370 A GB3600370 A GB 3600370A GB 1312356 A GB1312356 A GB 1312356A
Authority
GB
United Kingdom
Prior art keywords
air
july
drum
record
filter
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
GB3600370A
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.)
Unisys 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
Application filed by Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of GB1312356A publication Critical patent/GB1312356A/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
    • 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
    • G11B5/76—Drum carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/50—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges

Landscapes

  • Feeding And Guiding Record Carriers (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
GB3600370A 1969-07-24 1970-07-24 Magnetic recording apparatus Expired GB1312356A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84447769A 1969-07-24 1969-07-24

Publications (1)

Publication Number Publication Date
GB1312356A true GB1312356A (en) 1973-04-04

Family

ID=25292816

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3600370A Expired GB1312356A (en) 1969-07-24 1970-07-24 Magnetic recording apparatus

Country Status (4)

Country Link
US (1) US3624624A (enExample)
JP (1) JPS4920202B1 (enExample)
FR (1) FR2055399A5 (enExample)
GB (1) GB1312356A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126771A (en) * 1982-07-15 1984-03-28 Basf Ag Information disk store

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3740735A (en) * 1970-09-14 1973-06-19 Diablo Systems Inc Air circulation apparatus
GB1342495A (en) * 1971-03-13 1974-01-03 Ibm Transducer arms for magnetic disc recording and or reproducing apparatus
US3731291A (en) * 1971-04-12 1973-05-01 Burroughs Corp Integrated positive pressure and self-purge system
BE794003A (fr) * 1972-01-13 1973-05-02 Memorex Corp Systeme pour regir une circulation d'air
JPS49109515U (enExample) * 1973-01-12 1974-09-19
JPS50143511U (enExample) * 1974-05-15 1975-11-27
JPS50143510U (enExample) * 1974-05-15 1975-11-27
GB1486070A (en) * 1975-04-02 1977-09-14 Ibm Magnetic disc file including a clean gas system
JPS5728318Y2 (enExample) * 1975-07-02 1982-06-21
JPS5728317Y2 (enExample) * 1975-07-02 1982-06-21
JPS5728316Y2 (enExample) * 1975-07-02 1982-06-21
US4008492A (en) * 1975-07-23 1977-02-15 Control Data Corporation Thermally stabilized enclosure for magnetic disk
US4092687A (en) * 1976-09-07 1978-05-30 Sycor, Inc. Disc file assembly
GB2024495B (en) * 1978-05-16 1982-12-22 Burroughs Corp Record-disc cover having air filtration section
US4190870A (en) * 1978-07-05 1980-02-26 International Business Machines Corporation Disk drive assembly
US4339777A (en) * 1980-04-10 1982-07-13 Minnesota Mining And Manufacturing Company Air-flow system for a disk file
US4725904A (en) * 1981-10-05 1988-02-16 Tandon Corporation Magnetic disk memory apparatus with improved contamination control
US4539573A (en) * 1983-06-24 1985-09-03 Eastman Kodak Company Protective construction for optical disk units
US5359475A (en) * 1992-03-23 1994-10-25 Minnesota Mining And Manufacturing Company Air filter system for helical scanner drum with vented drum cover
JP2531116Y2 (ja) * 1993-11-18 1997-04-02 興和化成株式会社 軌間拡幅用レール締結構造
WO1995026025A1 (en) * 1994-03-24 1995-09-28 Regents Of The University Of Minnesota Apparatus for and method of reducing head wear in magnetic recording devices

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2950353A (en) * 1955-07-05 1960-08-23 Litton Industries Inc Pliant disk magnetic recording apparatus
US3110889A (en) * 1960-05-02 1963-11-12 Lab For Electronics Inc Magnetic disc storage device
US3179945A (en) * 1961-03-21 1965-04-20 Lab For Electronics Inc Magnetic disc storage device
US3060433A (en) * 1961-03-28 1962-10-23 Lab For Electronics Inc Magnetic disc storage device
US3248737A (en) * 1961-05-10 1966-04-26 Sperry Rand Corp Self-stabilizing mechanical system
DE1221281B (de) * 1962-05-19 1966-07-21 Olympia Werke Ag Magnettrommelspeicher
US3303485A (en) * 1963-03-18 1967-02-07 Ampex Magnetic disc with air bearing which spirals radially outward
US3373414A (en) * 1963-05-06 1968-03-12 Ibm Axially and radially air bearing support
US3381285A (en) * 1965-03-17 1968-04-30 Gen Precision Systems Inc Serrated record disc with internally generated air pressure
FR1509989A (fr) * 1965-11-23 1968-01-19 Inst Masz Matematycznych Tambour d'un dispositif à mémoire magnétique et procédé de refroidissement
US3480964A (en) * 1967-02-09 1969-11-25 North American Rockwell Structure for assembling annular tensioned recording discs
US3631423A (en) * 1969-06-13 1971-12-28 Burroughs Corp Self-purging disk system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126771A (en) * 1982-07-15 1984-03-28 Basf Ag Information disk store

Also Published As

Publication number Publication date
DE2034316A1 (de) 1971-04-15
JPS4920202B1 (enExample) 1974-05-23
DE2034316B2 (de) 1977-06-23
US3624624A (en) 1971-11-30
FR2055399A5 (enExample) 1971-05-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
429A Application made for amendment of specification (sect. 29/1949)
429H Application (made) for amendment of specification now open to opposition (sect. 29/1949)
429D Case decided by the comptroller ** specification amended (sect. 29/1949)
SP Amendment (slips) printed
PCNP Patent ceased through non-payment of renewal fee