FR2266403B3 - - Google Patents

Info

Publication number
FR2266403B3
FR2266403B3 FR7509922A FR7509922A FR2266403B3 FR 2266403 B3 FR2266403 B3 FR 2266403B3 FR 7509922 A FR7509922 A FR 7509922A FR 7509922 A FR7509922 A FR 7509922A FR 2266403 B3 FR2266403 B3 FR 2266403B3
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
FR7509922A
Other languages
French (fr)
Other versions
FR2266403A1 (e
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.)
Thomson-Brandt SA
Original Assignee
Thomson-Brandt SA
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 Thomson-Brandt SA filed Critical Thomson-Brandt SA
Publication of FR2266403A1 publication Critical patent/FR2266403A1/fr
Application granted granted Critical
Publication of FR2266403B3 publication Critical patent/FR2266403B3/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
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02—Arrangements of heads
    • G11B3/10—Arranging, supporting, or driving of heads or of transducers relatively to record carriers
    • G11B3/12—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse
    • G11B3/20—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse by elastic means, e.g. spring
    • G11B3/26—Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse by elastic means, e.g. spring acting to increase pressure on record
    • 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
    • G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
FR7509922A 1974-04-02 1975-03-28 Expired FR2266403B3 (e)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US457289A US3927252A (en) 1974-04-02 1974-04-02 Biased video disc stabilizer system

Publications (2)

Publication Number Publication Date
FR2266403A1 FR2266403A1 (e) 1975-10-24
FR2266403B3 true FR2266403B3 (e) 1977-12-09

Family

ID=23816150

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7509922A Expired FR2266403B3 (e) 1974-04-02 1975-03-28

Country Status (3)

Country Link
US (1) US3927252A (e)
DE (1) DE2514387A1 (e)
FR (1) FR2266403B3 (e)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5838866B2 (ja) * 1973-12-13 1983-08-25 キヤノン株式会社 フジヨウソウチ
US4410968A (en) * 1977-03-24 1983-10-18 Thomas Lee Siwecki Method and apparatus for recording on a disk supported deformable metallic film
US4204235A (en) * 1977-10-18 1980-05-20 Stollorz Herbert R Support arm assembly for loading/unloading and applying a force on a flying head
US4506355A (en) * 1981-08-24 1985-03-19 Discovision Associates Method and apparatus for information retrieval from an optically readable storage medium
USRE32574E (en) * 1978-06-30 1988-01-05 Discovision Associates Method and apparatus for information retrieval from an optically readable storage medium
US4375091A (en) * 1978-06-30 1983-02-22 Discovision Associates Method and apparatus for information retrieval from an optically readable storage medium
US4214287A (en) * 1978-07-20 1980-07-22 Burroughs Corporation Novel TSF head pair for dual recording on flexible disks
FR2466077A1 (fr) * 1979-09-18 1981-03-27 Thomson Brandt Dispositif mecanique de montee et de descente d'un moteur d'entrainement en rotation d'un videodisque, et lecteur de videodisque comportant un tel dispositif
US4316278A (en) * 1979-12-13 1982-02-16 Mcdonnell Douglas Corporation System for reading or recording indicia on a flexible disc
US4334302A (en) * 1980-06-02 1982-06-08 Peppers James M Flexible recording disc stabilizing and guidance system
NL8303217A (nl) * 1983-09-19 1985-04-16 Philips Nv Optische platenspeler.
US5012463A (en) * 1988-03-14 1991-04-30 Bernoulli Optical Systems Company Optical read/write storage system for flexible media having bernoulli stabilization at the optical head
GB2216710B (en) * 1988-03-14 1992-09-02 Ici Plc Optical or magneto-optical data system
US5052782A (en) * 1989-03-14 1991-10-01 Hughes Aircraft Company Resilient lens mounting apparatus
KR950005920Y1 (ko) * 1993-06-30 1995-07-26 대우전자 주식회사 데이터 메모리용 드로우 타입 트레이의 미니디스크 고정장치
WO1997048095A1 (en) 1996-06-12 1997-12-18 Imation Corp. Bernouilly type flexible media stabilization for laser servowriting
KR100213726B1 (ko) * 1997-06-13 1999-08-02 윤종용 수평 조정기능을 갖는 디스크 회전장치
JPH1139782A (ja) * 1997-07-16 1999-02-12 Fujitsu Ltd 光ディスクの撓み抑制装置及び光ディスク装置
US7194750B2 (en) * 2003-01-28 2007-03-20 Ricoh Company, Ltd. Recording/reproducing apparatus and disk cartridge

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2134504B2 (de) * 1971-07-10 1977-09-08 Anordnung zur kompensation der durch reibung verursachten elektrostatischen kraefte in einem auswertegeraet fuer diagrammscheiben
US3812535A (en) * 1972-10-24 1974-05-21 Memorex Corp Disk recorder arm assembly
US3829622A (en) * 1972-10-24 1974-08-13 Mca Disco Vision Video disc player with variably biased pneumatic head

Also Published As

Publication number Publication date
DE2514387A1 (de) 1975-10-09
US3927252A (en) 1975-12-16
FR2266403A1 (e) 1975-10-24

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Legal Events

Date Code Title Description
ST Notification of lapse