FR2189806B1 - - Google Patents

Info

Publication number
FR2189806B1
FR2189806B1 FR7322311A FR7322311A FR2189806B1 FR 2189806 B1 FR2189806 B1 FR 2189806B1 FR 7322311 A FR7322311 A FR 7322311A FR 7322311 A FR7322311 A FR 7322311A FR 2189806 B1 FR2189806 B1 FR 2189806B1
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
FR7322311A
Other versions
FR2189806A1 (fr
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 JP47062230A external-priority patent/JPS5123325B2/ja
Priority claimed from JP47062231A external-priority patent/JPS5123326B2/ja
Priority claimed from JP47062233A external-priority patent/JPS5123327B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of FR2189806A1 publication Critical patent/FR2189806A1/fr
Application granted granted Critical
Publication of FR2189806B1 publication Critical patent/FR2189806B1/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
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • G11B17/0287—Positioning or locking of single discs of discs rotating during transducing operation by permanent connections, e.g. screws, rivets
    • 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
    • G11B5/82—Disk carriers
    • G11B5/825—Disk carriers flexible discs
FR7322311A 1972-06-20 1973-06-19 Expired FR2189806B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP47062230A JPS5123325B2 (fr) 1972-06-20 1972-06-20
JP47062231A JPS5123326B2 (fr) 1972-06-20 1972-06-20
JP47062233A JPS5123327B2 (fr) 1972-06-20 1972-06-20

Publications (2)

Publication Number Publication Date
FR2189806A1 FR2189806A1 (fr) 1974-01-25
FR2189806B1 true FR2189806B1 (fr) 1977-05-06

Family

ID=27297774

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7322311A Expired FR2189806B1 (fr) 1972-06-20 1973-06-19

Country Status (3)

Country Link
CA (1) CA1011455A (fr)
FR (1) FR2189806B1 (fr)
GB (1) GB1435568A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4216512A (en) * 1978-08-21 1980-08-05 Sycor, Inc. Disc recorder with brushless DC motor drive
GB2166586A (en) * 1984-10-29 1986-05-08 Priam Corp Grounding arrangement for head disk assembly

Also Published As

Publication number Publication date
FR2189806A1 (fr) 1974-01-25
DE2330289A1 (de) 1974-01-31
CA1011455A (en) 1977-05-31
GB1435568A (en) 1976-05-12
DE2330289B2 (de) 1976-06-16

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Legal Events

Date Code Title Description
ST Notification of lapse