IT967996B - Dispositivo di ventilazione per unita a dischi magnetici - Google Patents

Dispositivo di ventilazione per unita a dischi magnetici

Info

Publication number: IT967996B
Authority: IT; Italy
Prior art keywords: magnetic disk; ventilation device; disk unit; unit; ventilation
Prior art date: 1971-09-30

Application number

IT29848/72A

Other languages

English (en)

Original Assignee

Honeywell Bull Soc Ind

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.)

1971-09-30

Filing date

1972-09-29

Publication date

1974-03-11

1972-09-29 Application filed by Honeywell Bull Soc Ind filed Critical Honeywell Bull Soc Ind

1974-03-11 Application granted granted Critical

1974-03-11 Publication of IT967996B publication Critical patent/IT967996B/it

Links

238000009423 ventilation Methods 0.000 title 1

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

IT29848/72A 1971-09-30 1972-09-29 Dispositivo di ventilazione per unita a dischi magnetici IT967996B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
IT967996B true IT967996B (it)	1974-03-11

Family

ID=9083705

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT29848/72A IT967996B (it)	1971-09-30	1972-09-29	Dispositivo di ventilazione per unita a dischi magnetici

Country Status (12)

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

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

0
- BE BE789309D patent/BE789309A/xx unknown
1971
- 1971-09-30 FR FR7135163A patent/FR2154922A5/fr not_active Expired
1972
- 1972-09-05 NL NL7212042A patent/NL7212042A/xx not_active Application Discontinuation
- 1972-09-14 GB GB4277072A patent/GB1397437A/en not_active Expired
- 1972-09-15 AR AR244110A patent/AR195679A1/es active
- 1972-09-15 SU SU7201828490A patent/SU564833A3/ru active
- 1972-09-19 US US00290307A patent/US3812534A/en not_active Expired - Lifetime
- 1972-09-29 DE DE2247930A patent/DE2247930C3/de not_active Expired
- 1972-09-29 BR BR6795/72A patent/BR7206795D0/pt unknown
- 1972-09-29 CA CA152,960A patent/CA977868A/en not_active Expired
- 1972-09-29 JP JP7297298A patent/JPS557632B2/ja not_active Expired
- 1972-09-29 IT IT29848/72A patent/IT967996B/it active

Also Published As

Publication number	Publication date
CA977868A (en)	1975-11-11
BE789309A (fr)	1973-01-15
AR195679A1 (es)	1973-10-31
FR2154922A5 (it)	1973-05-18
DE2247930A1 (de)	1973-04-05
SU564833A3 (ru)	1977-07-05
US3812534A (en)	1974-05-21
DE2247930C3 (de)	1981-06-25
JPS4843916A (it)	1973-06-25
GB1397437A (en)	1975-06-11
DE2247930B2 (de)	1980-09-04
BR7206795D0 (pt)	1973-09-27
JPS557632B2 (it)	1980-02-27
NL7212042A (it)	1973-04-03

Publication	Publication Date	Title
NO140574C (no)	1979-09-26	Kapslet magnetisk opptegningsanordning.
IT967996B (it)	1974-03-11	Dispositivo di ventilazione per unita a dischi magnetici
IT951373B (it)	1973-06-30	Apparato di riproduzione multifonico
AT360771B (de)	1981-01-26	Geraet zur wiedergabe einer platte
IT969833B (it)	1974-04-10	Apparecchiatura di memoria a dischi magnetici
AT330264B (de)	1976-06-25	Bildaufnahmevorrichtung
IT1045696B (it)	1980-06-10	Dispositvio a comando circolare
SE385631B (sv)	1976-07-12	Upptagningsanordning for kassetter
SE410367B (sv)	1979-10-08	Skivdrivanordning
SE407842B (sv)	1979-04-23	Tredimensionell linjer drivanordning
SE394980B (sv)	1977-07-25	Anordning for antilasningsstyranleggning
SE385347B (sv)	1976-06-21	Anordning for identifiering av en datakodad bersignal
AT308654B (de)	1973-07-10	Belüftungseinrichtung
IT954676B (it)	1973-09-15	Dispositivo presentatore di inforamzioni
BE781165A (fr)	1972-09-25	Magnetophone a cassette
IT963789B (it)	1974-01-21	Apparato di riproduzione multifonico
CH541836A (de)	1973-09-15	Magnetisches Aufzeichnungsblatt
CH541849A (it)	1973-09-15	Dispositivo indicatore a nastro
IT1044991B (it)	1980-04-21	Dispositivo a ionizzazione perla segnalazione di incendi
DE2206976B2 (de)	1973-08-30	Antriebsvorrichtung
FI52640C (fi)	1977-10-10	Säätölaite
IT969774B (it)	1974-04-10	Ventilatore per funzionamento a intermittenza
IT955906B (it)	1973-09-29	Dispositivo di comando
IT986179B (it)	1975-01-20	Dispositivo di riproduzione a nastro magnetico
SE391765B (sv)	1977-02-28	Fasthallningsanordning for en lascylinderkerna