IT1057679B - Dispositivo di serraggio per unsopporto di registrazione di registrazione di informazioni a disco girevole partivolarmente per un video registratore - Google Patents

Dispositivo di serraggio per unsopporto di registrazione di registrazione di informazioni a disco girevole partivolarmente per un video registratore

Info

Publication number
IT1057679B
IT1057679B IT67543/76A IT6754376A IT1057679B IT 1057679 B IT1057679 B IT 1057679B IT 67543/76 A IT67543/76 A IT 67543/76A IT 6754376 A IT6754376 A IT 6754376A IT 1057679 B IT1057679 B IT 1057679B
Authority
IT
Italy
Prior art keywords
disc
recording
clamping device
video recorder
discovery information
Prior art date
Application number
IT67543/76A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1057679B publication Critical patent/IT1057679B/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
    • G11B17/032—Positioning by moving the door or the cover
IT67543/76A 1975-03-10 1976-03-05 Dispositivo di serraggio per unsopporto di registrazione di registrazione di informazioni a disco girevole partivolarmente per un video registratore IT1057679B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7502804,A NL174998C (nl) 1975-03-10 1975-03-10 Opspaninrichting voor een roterend aandrijfbare informatiedragende plaat.

Publications (1)

Publication Number Publication Date
IT1057679B true IT1057679B (it) 1982-03-30

Family

ID=19823334

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67543/76A IT1057679B (it) 1975-03-10 1976-03-05 Dispositivo di serraggio per unsopporto di registrazione di registrazione di informazioni a disco girevole partivolarmente per un video registratore

Country Status (12)

Country Link
US (1) US3980308A (it)
AU (1) AU500833B2 (it)
CA (1) CA1057852A (it)
DE (1) DE2607518B2 (it)
DK (1) DK96576A (it)
ES (1) ES445862A1 (it)
FR (1) FR2304136A1 (it)
GB (1) GB1538568A (it)
IT (1) IT1057679B (it)
NL (1) NL174998C (it)
NO (1) NO760794L (it)
SE (2) SE421256B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040089A (en) * 1976-06-14 1977-08-02 Rca Corporation Disc master positioning apparatus for a recording system
NL7609375A (nl) * 1976-08-24 1978-02-28 Philips Nv Opspaninrichting voor een roterend aandrijfbare informatiedragende plaat.
DE2724823A1 (de) * 1977-06-02 1978-12-07 Bosch Gmbh Robert Geraet zur aufzeichnung und/oder wiedergabe von signalen auf plattenfoermige traeger
NL182032C (nl) * 1978-06-05 1987-12-16 Philips Nv Inrichting voor het centreren, richten en vastklemmen van een roterende plaat.
US4224648A (en) * 1978-10-16 1980-09-23 Control Data Corporation Disc centering
US4378576A (en) * 1980-06-27 1983-03-29 Magnetic Peripherals Inc. Removable disc media
US4350379A (en) * 1980-10-10 1982-09-21 General Electric Company Universal lifting magnet
US4367547A (en) * 1981-05-04 1983-01-04 Wayne H. Coloney Co., Inc. Apparatus for holding record disks by vacuum
US4499573A (en) * 1981-07-20 1985-02-12 Tokyo Shibaura Denki Kabushiki Kaisha Disc rotating apparatus
JPS5814386A (ja) * 1981-07-20 1983-01-27 Toshiba Corp デジタルデイスクプレ−ヤ装置
JPS5814382A (ja) * 1981-07-20 1983-01-27 Toshiba Corp デジタルデイスクプレ−ヤ装置
US4539671A (en) * 1982-09-24 1985-09-03 Sony Corporation Recording and/or reproducing apparatus for a disk
JPS5971487U (ja) * 1982-10-29 1984-05-15 ソニー株式会社 磁気デイスクの回転装着台
WO1985001380A1 (en) * 1983-09-19 1985-03-28 Storage Technology Partners Ii Optical disk format employing resynchronizable data sectors
EP0186195B1 (en) * 1984-12-28 1991-03-13 Yamaha Corporation Disc clamping device for a disc cartridge player
JPS62223850A (ja) * 1986-03-25 1987-10-01 Sharp Corp デイスククランプ装置
US5001700A (en) * 1989-03-30 1991-03-19 Literal Corporation Disk clamp and centering apparatus for a beam addressable disk drive system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2634134A (en) * 1949-07-27 1953-04-07 Edison Inc Thomas A Record-disk centering and clamping mechanism
US2943861A (en) * 1956-05-28 1960-07-05 Rca Corp Multi-speed phonograph record player
US3071381A (en) * 1960-05-16 1963-01-01 Cons Electronics Ind Phonograph turntable
US3176281A (en) * 1961-10-23 1965-03-30 Ibm Portable memory for data processing machine
US3377072A (en) * 1965-12-11 1968-04-09 Gentilini Augusto Portable record player
US3784853A (en) * 1972-05-03 1974-01-08 P Wangsness Homopolar motor forming a sound record support
US3768815A (en) * 1972-06-21 1973-10-30 Ibm Apparatus for clamping and centering a flexible magnetic disk
JPS4981012A (it) * 1972-12-08 1974-08-05

Also Published As

Publication number Publication date
US3980308A (en) 1976-09-14
SE419139B (sv) 1981-07-13
GB1538568A (en) 1979-01-24
ES445862A1 (es) 1977-05-01
SE7602604L (sv) 1976-09-11
DE2607518A1 (de) 1976-09-30
AU1179376A (en) 1977-09-15
AU500833B2 (en) 1979-05-31
DK96576A (da) 1976-09-11
NL7502804A (nl) 1976-09-14
CA1057852A (en) 1979-07-03
NL174998C (nl) 1984-09-03
DE2607518B2 (de) 1980-05-29
NL174998B (nl) 1984-04-02
SE421256B (sv) 1981-12-07
SE8006628L (sv) 1980-09-23
NO760794L (it) 1976-09-13
DE2607518C3 (it) 1988-03-24
FR2304136B1 (it) 1981-06-26
FR2304136A1 (fr) 1976-10-08

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