NL7908859A - Systeem voor het inschrijven en/of uitlezen van informatie. - Google Patents

Systeem voor het inschrijven en/of uitlezen van informatie. Download PDF

Info

Publication number
NL7908859A
NL7908859A NL7908859A NL7908859A NL7908859A NL 7908859 A NL7908859 A NL 7908859A NL 7908859 A NL7908859 A NL 7908859A NL 7908859 A NL7908859 A NL 7908859A NL 7908859 A NL7908859 A NL 7908859A
Authority
NL
Netherlands
Prior art keywords
information
disc
centering
information disc
turntable
Prior art date
Application number
NL7908859A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL7908859A priority Critical patent/NL7908859A/nl
Priority to US06/135,804 priority patent/US4358803A/en
Priority to DE8080201137T priority patent/DE3072150D1/de
Priority to CA000365918A priority patent/CA1155549A/en
Priority to EP80201137A priority patent/EP0030754B1/de
Priority to AT80201137T priority patent/ATE42159T1/de
Priority to ES497482A priority patent/ES497482A0/es
Priority to AU65163/80A priority patent/AU537046B2/en
Priority to JP17272180A priority patent/JPS5693155A/ja
Publication of NL7908859A publication Critical patent/NL7908859A/nl
Priority to SG851/90A priority patent/SG85190G/en

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
    • G11B17/0284—Positioning or locking of single discs of discs rotating during transducing operation by clampers

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
NL7908859A 1979-12-10 1979-12-10 Systeem voor het inschrijven en/of uitlezen van informatie. NL7908859A (nl)

Priority Applications (10)

Application Number Priority Date Filing Date Title
NL7908859A NL7908859A (nl) 1979-12-10 1979-12-10 Systeem voor het inschrijven en/of uitlezen van informatie.
US06/135,804 US4358803A (en) 1979-12-10 1980-03-31 Arrangement for centering an information disc
DE8080201137T DE3072150D1 (en) 1979-12-10 1980-12-02 Centering element and drive unit for interchangeable information discs in a system for writing or reading information
CA000365918A CA1155549A (en) 1979-12-10 1980-12-02 System for writing and/or reading information
EP80201137A EP0030754B1 (de) 1979-12-10 1980-12-02 Zentrierelement und Antriebseinheit für auswechselbare Informationsplatten in einem Informationsschreib- oder -lesesystem
AT80201137T ATE42159T1 (de) 1979-12-10 1980-12-02 Zentrierelement und antriebseinheit fuer auswechselbare informationsplatten in einem informationsschreib- oder -lesesystem.
ES497482A ES497482A0 (es) 1979-12-10 1980-12-05 Sistema para grabar y-o leer informacion
AU65163/80A AU537046B2 (en) 1979-12-10 1980-12-08 Disc drive and turntable system
JP17272180A JPS5693155A (en) 1979-12-10 1980-12-09 Data read and*or write device
SG851/90A SG85190G (en) 1979-12-10 1990-10-24 Centering element and drive unit for interchangeable information discs in a system for writing or reading information

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7908859A NL7908859A (nl) 1979-12-10 1979-12-10 Systeem voor het inschrijven en/of uitlezen van informatie.
NL7908859 1979-12-10

Publications (1)

Publication Number Publication Date
NL7908859A true NL7908859A (nl) 1981-07-01

Family

ID=19834296

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7908859A NL7908859A (nl) 1979-12-10 1979-12-10 Systeem voor het inschrijven en/of uitlezen van informatie.

Country Status (10)

Country Link
US (1) US4358803A (de)
EP (1) EP0030754B1 (de)
JP (1) JPS5693155A (de)
AT (1) ATE42159T1 (de)
AU (1) AU537046B2 (de)
CA (1) CA1155549A (de)
DE (1) DE3072150D1 (de)
ES (1) ES497482A0 (de)
NL (1) NL7908859A (de)
SG (1) SG85190G (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8000381A (nl) * 1980-01-22 1981-08-17 Philips Nv Systeem voor het inschrijven en/of uitlezen van informatie.
JPS606938Y2 (ja) * 1980-08-14 1985-03-07 ソニー株式会社 記録再生用デイスクカセツト
JPS5786173A (en) * 1980-11-17 1982-05-29 Toshiba Corp Recorder and reproducer
FR2521333A1 (fr) * 1982-02-11 1983-08-12 Cii Honeywell Bull Cartouche pour disque(s) magnetique(s) amovible(s)
US4458278A (en) * 1982-04-29 1984-07-03 Datacopy Corporation Disk-centering mechanism for use with a high-density flexible disk
JPS593761A (ja) * 1982-06-30 1984-01-10 Toshiba Corp 磁気デイスク装置
WO1984001462A1 (en) * 1982-09-30 1984-04-12 Drivetec Inc A mechanism for clamping and spinning a flexible disk
US4530022A (en) * 1982-11-04 1985-07-16 Amcodyne Incorporated Apparatus and method for protecting disks in a computer peripheral system
US4542426A (en) * 1983-05-31 1985-09-17 Storage Technology Partners Ii Flexible hub for removable disk
JPS60155043U (ja) * 1984-03-21 1985-10-16 アルプス電気株式会社 デイスク駆動機構
JPS60163544U (ja) * 1984-04-02 1985-10-30 アルプス電気株式会社 デイスククランプ装置
DE3515059A1 (de) * 1984-05-11 1985-11-14 Hewlett-Packard Co., Palo Alto, Calif. Vorrichtung zum befestigen einer speicherplatte in einer plattenspeichereinrichtung
NL8402176A (nl) * 1984-07-10 1986-02-03 Philips Nv Inrichting voor het met een stralingsvlek inschrijven en/of uitlezen van informatie op een roterende informatieplaat.
JPS6124877U (ja) * 1984-07-19 1986-02-14 ティーディーケイ株式会社 デイスクカ−トリツジ
US4683505A (en) * 1984-12-24 1987-07-28 International Business Machines Corporation Alternately centered disk pack assembly and method
CA1320569C (en) * 1986-12-01 1993-07-20 Hendrikus W.C.M. Peeters Optically readable disk with self centering hub
JPH04345954A (ja) * 1991-05-24 1992-12-01 Pioneer Electron Corp ディスクプレーヤ
KR100223210B1 (ko) 1996-11-09 1999-10-15 윤종용 하드디스크 드라이브의 디스크 균형을 맞추기 위한 조립방법 및 장치
US6297931B2 (en) * 1997-08-15 2001-10-02 Sony Corporation Recording disk with round spindle hole in magnetic hub and prerecorded tracking servo information
DE19859356A1 (de) 1998-12-22 2000-06-29 Thomson Brandt Gmbh Aufzeichnungs- oder Wiedergabegerät mit einer Halterung für plattenförmige Aufzeichnungsträger
US6252843B1 (en) * 1999-04-09 2001-06-26 Hewlett Packard Company Automatic clamping of compact discs
KR100463431B1 (ko) * 2002-02-07 2004-12-23 삼성전기주식회사 광 디스크용 클램프장치
US7164554B2 (en) * 2004-06-30 2007-01-16 Hitachi Global Storage Technologies Netherlands Bv Disk drive with hub and apparatus for prevention of lubrication migration for lubricated clamp fasteners in disk drive applications

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1881110A (en) * 1930-07-24 1932-10-04 Durium Products Corp Phonograph record
US3416154A (en) * 1966-01-14 1968-12-10 Itek Corp Data disk structure and rotatable mounting therefor
US3488059A (en) * 1966-09-29 1970-01-06 Dario Bellini Gramophone record player
US3898814A (en) * 1974-05-13 1975-08-12 Shugart Associates Mechanism for clamping and driving a flexible disc
JPS527610U (de) * 1975-07-04 1977-01-19
DD125990A1 (de) * 1976-06-10 1977-06-08
US4125883A (en) * 1977-09-02 1978-11-14 Memorex Corporation Apparatus for centering and clamping a flexible magnetic recording disc
US4171531A (en) * 1977-11-09 1979-10-16 Magnetic Peripherals Inc. Device for centering and driving flexible discs
NL182032C (nl) * 1978-06-05 1987-12-16 Philips Nv Inrichting voor het centreren, richten en vastklemmen van een roterende plaat.

Also Published As

Publication number Publication date
EP0030754B1 (de) 1989-04-12
JPS6342337B2 (de) 1988-08-23
DE3072150D1 (en) 1989-05-18
ATE42159T1 (de) 1989-04-15
US4358803A (en) 1982-11-09
JPS5693155A (en) 1981-07-28
SG85190G (en) 1991-01-04
AU6516380A (en) 1981-06-18
ES8206077A1 (es) 1982-08-01
ES497482A0 (es) 1982-08-01
CA1155549A (en) 1983-10-18
EP0030754A1 (de) 1981-06-24
AU537046B2 (en) 1984-05-31

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A1B A search report has been drawn up
BV The patent application has lapsed