IT1179839B - Dispositivo per portare in rotazione un disco magnetico - Google Patents

Dispositivo per portare in rotazione un disco magnetico

Info

Publication number
IT1179839B
IT1179839B IT68189/84A IT6818984A IT1179839B IT 1179839 B IT1179839 B IT 1179839B IT 68189/84 A IT68189/84 A IT 68189/84A IT 6818984 A IT6818984 A IT 6818984A IT 1179839 B IT1179839 B IT 1179839B
Authority
IT
Italy
Prior art keywords
rotate
magnetic disc
disc
magnetic
Prior art date
Application number
IT68189/84A
Other languages
English (en)
Other versions
IT8468189A0 (it
IT8468189A1 (it
Inventor
Giuseppe Bettini
Original Assignee
Olivetti & Co Spa
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 Olivetti & Co Spa filed Critical Olivetti & Co Spa
Priority to IT68189/84A priority Critical patent/IT1179839B/it
Publication of IT8468189A0 publication Critical patent/IT8468189A0/it
Priority to JP60264724A priority patent/JPS61153864A/ja
Priority to US06/802,331 priority patent/US4672486A/en
Priority to EP85308599A priority patent/EP0183529A3/en
Publication of IT8468189A1 publication Critical patent/IT8468189A1/it
Application granted granted Critical
Publication of IT1179839B publication Critical patent/IT1179839B/it

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
    • G11B17/0282—Positioning or locking of single discs of discs rotating during transducing operation by means provided on the turntable
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
IT68189/84A 1984-11-30 1984-11-30 Dispositivo per portare in rotazione un disco magnetico IT1179839B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT68189/84A IT1179839B (it) 1984-11-30 1984-11-30 Dispositivo per portare in rotazione un disco magnetico
JP60264724A JPS61153864A (ja) 1984-11-30 1985-11-25 磁気デイスクの回転装置
US06/802,331 US4672486A (en) 1984-11-30 1985-11-26 Apparatus for rotating a magnetic disc
EP85308599A EP0183529A3 (en) 1984-11-30 1985-11-27 Apparatus for rotating a magnetic disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68189/84A IT1179839B (it) 1984-11-30 1984-11-30 Dispositivo per portare in rotazione un disco magnetico

Publications (3)

Publication Number Publication Date
IT8468189A0 IT8468189A0 (it) 1984-11-30
IT8468189A1 IT8468189A1 (it) 1986-05-30
IT1179839B true IT1179839B (it) 1987-09-16

Family

ID=11308410

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68189/84A IT1179839B (it) 1984-11-30 1984-11-30 Dispositivo per portare in rotazione un disco magnetico

Country Status (4)

Country Link
US (1) US4672486A (it)
EP (1) EP0183529A3 (it)
JP (1) JPS61153864A (it)
IT (1) IT1179839B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS619866A (ja) * 1984-06-22 1986-01-17 Seiko Epson Corp 回転駆動装置
JPH0743865B2 (ja) * 1985-07-23 1995-05-15 ソニー株式会社 デイスクの回転駆動装置
JPH0351796Y2 (it) * 1986-04-11 1991-11-07
US4855850A (en) * 1986-12-27 1989-08-08 Copal Company Limited Disk drive apparatus with disk rotating means
JP2811824B2 (ja) * 1989-11-08 1998-10-15 ソニー株式会社 デイスクチヤツキング装置
US5648881A (en) * 1991-06-24 1997-07-15 Seiko Epson Corporation Disk driving motor and chucking mechanism for disk drive apparatus
USRE37791E1 (en) * 1991-06-24 2002-07-16 Seiko Epson Corporation Disk driving motor and chucking mechanism for disk drive apparatus
JP3278701B2 (ja) * 1991-06-24 2002-04-30 セイコーエプソン株式会社 ディスク装置
US5581423A (en) * 1991-06-24 1996-12-03 Seiko Epson Corporation Disk driving motor and chcuking mechanism for disk drive apparatus
US5357387A (en) * 1991-09-11 1994-10-18 Matsushita Electric Industrial Co., Ltd. Disk driving apparatus with inclined surface on engaging pin and with protector plate over motor
JP3324232B2 (ja) * 1993-10-20 2002-09-17 セイコーエプソン株式会社 ディスクチャッキング機構及びそれを備えたディスク装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149207A (en) * 1977-10-25 1979-04-10 International Business Machines Corporation Cartridge and flexible magnetic disk assembly
JPS6138145Y2 (it) * 1980-08-14 1986-11-04
EP0101011B1 (en) * 1982-08-05 1988-11-02 Hitachi Maxell Ltd. Recording disc cartridge
US4613921A (en) * 1982-11-26 1986-09-23 Holmes William A Disk memory apparatus

Also Published As

Publication number Publication date
US4672486A (en) 1987-06-09
EP0183529A3 (en) 1987-05-20
EP0183529A2 (en) 1986-06-04
IT8468189A0 (it) 1984-11-30
IT8468189A1 (it) 1986-05-30
JPS61153864A (ja) 1986-07-12

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