FR2154922A5 - - Google Patents

Info

Publication number
FR2154922A5
FR2154922A5 FR7135163A FR7135163A FR2154922A5 FR 2154922 A5 FR2154922 A5 FR 2154922A5 FR 7135163 A FR7135163 A FR 7135163A FR 7135163 A FR7135163 A FR 7135163A FR 2154922 A5 FR2154922 A5 FR 2154922A5
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
FR7135163A
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.)
Bull HN Information Systems Inc
Original Assignee
Honeywell Bull Inc
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 to BE789309D priority Critical patent/BE789309A/fr
Application filed by Honeywell Bull Inc filed Critical Honeywell Bull Inc
Priority to FR7135163A priority patent/FR2154922A5/fr
Priority to NL7212042A priority patent/NL7212042A/xx
Priority to GB4277072A priority patent/GB1397437A/en
Priority to AR244110A priority patent/AR195679A1/es
Priority to SU7201828490A priority patent/SU564833A3/ru
Priority to US00290307A priority patent/US3812534A/en
Priority to CA152,960A priority patent/CA977868A/en
Priority to JP7297298A priority patent/JPS557632B2/ja
Priority to DE2247930A priority patent/DE2247930C3/de
Priority to IT29848/72A priority patent/IT967996B/it
Priority to BR6795/72A priority patent/BR7206795D0/pt
Application granted granted Critical
Publication of FR2154922A5 publication Critical patent/FR2154922A5/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
    • 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
    • G11B23/505—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges of disk carriers
    • G11B23/507—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges of disk carriers combined with means for reducing influence of physical parameters, e.g. temperature change, moisture
    • 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
    • G11B5/58—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
FR7135163A 1971-09-30 1971-09-30 Expired FR2154922A5 (fr)

Priority Applications (12)

Application Number Priority Date Filing Date Title
BE789309D BE789309A (fr) 1971-09-30 Dispositif de ventilation pour unite de disques magnetiques
FR7135163A FR2154922A5 (fr) 1971-09-30 1971-09-30
NL7212042A NL7212042A (fr) 1971-09-30 1972-09-05
GB4277072A GB1397437A (en) 1971-09-30 1972-09-14 Ventilation device for a magnetic disc unit
SU7201828490A SU564833A3 (ru) 1971-09-30 1972-09-15 Вентил ционное устройство дл блока магнитных дисков
AR244110A AR195679A1 (es) 1971-09-30 1972-09-15 Un dispositivo de ventilacion para una unidad de discos magneticos
US00290307A US3812534A (en) 1971-09-30 1972-09-19 Ventilation device for a magnet disk unit
CA152,960A CA977868A (en) 1971-09-30 1972-09-29 Dispositif de ventilation pour unite de disques magnetiques
JP7297298A JPS557632B2 (fr) 1971-09-30 1972-09-29
DE2247930A DE2247930C3 (de) 1971-09-30 1972-09-29 Belüftungsvorrichtung für ein Magnetplattengerät
IT29848/72A IT967996B (it) 1971-09-30 1972-09-29 Dispositivo di ventilazione per unita a dischi magnetici
BR6795/72A BR7206795D0 (pt) 1971-09-30 1972-09-29 Dispositivo de ventilacao para unidade de discos magneticos

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7135163A FR2154922A5 (fr) 1971-09-30 1971-09-30

Publications (1)

Publication Number Publication Date
FR2154922A5 true FR2154922A5 (fr) 1973-05-18

Family

ID=9083705

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7135163A Expired FR2154922A5 (fr) 1971-09-30 1971-09-30

Country Status (12)

Country Link
US (1) US3812534A (fr)
JP (1) JPS557632B2 (fr)
AR (1) AR195679A1 (fr)
BE (1) BE789309A (fr)
BR (1) BR7206795D0 (fr)
CA (1) CA977868A (fr)
DE (1) DE2247930C3 (fr)
FR (1) FR2154922A5 (fr)
GB (1) GB1397437A (fr)
IT (1) IT967996B (fr)
NL (1) NL7212042A (fr)
SU (1) SU564833A3 (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3975768A (en) * 1973-06-20 1976-08-17 Genisco Technology Corporation Removable cartridge flexible disc memory apparatus
US3947886A (en) * 1974-04-25 1976-03-30 Dynastor, Inc. Flexible disc recording apparatus
GB1493766A (en) * 1976-03-02 1977-11-30 Burroughs Corp Disc cartridge having a contamination shield
US4118748A (en) * 1976-07-21 1978-10-03 Minnesota Mining And Manufacturing Company Member for limiting air door movement in a disk cartridge
US4130845A (en) * 1977-07-08 1978-12-19 Microdata Corporation Disc cabinet recirculating air flow system
US4363057A (en) * 1979-07-16 1982-12-07 International Business Machines Corporation Recirculating filter duct design
US4315288A (en) * 1980-02-29 1982-02-09 Digital Equipment Corporation Disk housing for disk mass storage unit including integral means for reducing temperature differentials among disks
JPS6059663B2 (ja) * 1980-04-16 1985-12-26 株式会社日立製作所 磁気ディスク記憶装置
NL8004378A (nl) * 1980-07-31 1982-03-01 Philips Nv Schijfeenheid met een roteerbare ronde informatieschijf.
US4419703A (en) * 1981-11-16 1983-12-06 Dma Systems Corporation Disc cartridge loading mechanism
FR2521386A1 (fr) * 1982-02-11 1983-08-12 Cii Honeywell Bull Systeme de ventilation d'une cartouche pour disque(s) magnetique(s) amovible(s) et cartouche ventilee par ce systeme
DE3337845A1 (de) * 1983-10-18 1985-04-25 Nixdorf Computer Ag, 4790 Paderborn Festplattenlaufwerk
US4594626A (en) * 1984-02-13 1986-06-10 Xerox Corporation Air filtration system for rotating disk drives having recirculating air flows
US4642715A (en) * 1984-11-01 1987-02-10 Miltope Corporation Environmental conditioning and safety system for disk-type mass memories
US4864452A (en) * 1988-02-26 1989-09-05 Syquest Technology Removable cartridge with lockable access door
US5359475A (en) * 1992-03-23 1994-10-25 Minnesota Mining And Manufacturing Company Air filter system for helical scanner drum with vented drum cover
US5263537A (en) * 1992-04-27 1993-11-23 International Business Machines Corporation Oscillating cooling system
US6882501B2 (en) * 2000-11-30 2005-04-19 Maxtor Corporation Flow modification for reducing track misregistration in hard disk drives
US20080151492A1 (en) * 2006-12-26 2008-06-26 Maddox Charles W Computer case with intake filter with positive airflow

Also Published As

Publication number Publication date
DE2247930A1 (de) 1973-04-05
DE2247930C3 (de) 1981-06-25
BE789309A (fr) 1973-01-15
IT967996B (it) 1974-03-11
DE2247930B2 (de) 1980-09-04
GB1397437A (en) 1975-06-11
CA977868A (en) 1975-11-11
AR195679A1 (es) 1973-10-31
BR7206795D0 (pt) 1973-09-27
US3812534A (en) 1974-05-21
JPS557632B2 (fr) 1980-02-27
NL7212042A (fr) 1973-04-03
SU564833A3 (ru) 1977-07-05
JPS4843916A (fr) 1973-06-25

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Legal Events

Date Code Title Description
ST Notification of lapse