FR2404886A1 - Memoire a disques a embase creuse symetrique - Google Patents

Memoire a disques a embase creuse symetrique

Info

Publication number
FR2404886A1
FR2404886A1 FR7821340A FR7821340A FR2404886A1 FR 2404886 A1 FR2404886 A1 FR 2404886A1 FR 7821340 A FR7821340 A FR 7821340A FR 7821340 A FR7821340 A FR 7821340A FR 2404886 A1 FR2404886 A1 FR 2404886A1
Authority
FR
France
Prior art keywords
memory
base disc
disc memory
mechanisms
base
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.)
Granted
Application number
FR7821340A
Other languages
English (en)
French (fr)
Other versions
FR2404886B1 (enExample
Inventor
Michael R Hatch
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 FR2404886A1 publication Critical patent/FR2404886A1/fr
Application granted granted Critical
Publication of FR2404886B1 publication Critical patent/FR2404886B1/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
    • G11B17/30—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records wherein the playing unit is moved according to the location of the selected record

Landscapes

  • Moving Of Heads (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
FR7821340A 1977-09-30 1978-07-12 Memoire a disques a embase creuse symetrique Granted FR2404886A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83834677A 1977-09-30 1977-09-30

Publications (2)

Publication Number Publication Date
FR2404886A1 true FR2404886A1 (fr) 1979-04-27
FR2404886B1 FR2404886B1 (enExample) 1984-11-16

Family

ID=25276871

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7821340A Granted FR2404886A1 (fr) 1977-09-30 1978-07-12 Memoire a disques a embase creuse symetrique

Country Status (17)

Country Link
JP (1) JPS5455408A (enExample)
AR (1) AR221066A1 (enExample)
BR (1) BR7805656A (enExample)
CA (1) CA1109557A (enExample)
CH (1) CH629617A5 (enExample)
DE (1) DE2830828A1 (enExample)
DK (1) DK151739C (enExample)
FI (1) FI67141C (enExample)
FR (1) FR2404886A1 (enExample)
GB (1) GB2005454B (enExample)
IE (1) IE47039B1 (enExample)
IT (1) IT1174388B (enExample)
NL (1) NL7809812A (enExample)
NO (1) NO150255C (enExample)
SE (1) SE426112B (enExample)
SU (1) SU921475A3 (enExample)
ZA (1) ZA784308B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57191871A (en) * 1981-05-22 1982-11-25 Hitachi Ltd Magnetic disk storing device
EP0222939B1 (en) * 1985-10-31 1991-01-23 International Business Machines Corporation Disk file with in-hub motor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3815150A (en) * 1972-06-23 1974-06-04 Memorex Corp Flexible disc drive

Also Published As

Publication number Publication date
FI782943A7 (fi) 1979-03-31
DE2830828C3 (enExample) 1981-01-15
DE2830828B2 (enExample) 1980-05-08
CA1109557A (en) 1981-09-22
SE426112B (sv) 1982-12-06
FI67141B (fi) 1984-09-28
SE7809227L (sv) 1979-03-31
NO783288L (no) 1979-04-02
NL7809812A (nl) 1979-04-03
GB2005454B (en) 1982-02-10
IE47039B1 (en) 1983-11-30
CH629617A5 (de) 1982-04-30
NO150255C (no) 1984-09-12
DE2830828A1 (de) 1979-04-05
FR2404886B1 (enExample) 1984-11-16
SU921475A3 (ru) 1982-04-15
DK432678A (da) 1979-03-31
FI67141C (fi) 1985-01-10
DK151739C (da) 1988-06-13
JPS5455408A (en) 1979-05-02
IE781537L (en) 1979-03-30
AR221066A1 (es) 1980-12-30
IT7827411A0 (it) 1978-09-07
GB2005454A (en) 1979-04-19
BR7805656A (pt) 1979-04-17
NO150255B (no) 1984-06-04
JPS5756151B2 (enExample) 1982-11-27
DK151739B (da) 1987-12-28
IT1174388B (it) 1987-07-01
ZA784308B (en) 1980-02-27

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Legal Events

Date Code Title Description
ST Notification of lapse