FR2227591B1 - - Google Patents

Info

Publication number
FR2227591B1
FR2227591B1 FR7315453A FR7315453A FR2227591B1 FR 2227591 B1 FR2227591 B1 FR 2227591B1 FR 7315453 A FR7315453 A FR 7315453A FR 7315453 A FR7315453 A FR 7315453A FR 2227591 B1 FR2227591 B1 FR 2227591B1
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
FR7315453A
Other languages
French (fr)
Other versions
FR2227591A1 (enrdf_load_stackoverflow
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
Priority to FR7315453A priority Critical patent/FR2227591B1/fr
Priority to DE2420423A priority patent/DE2420423A1/de
Priority to IT21923/74A priority patent/IT1010107B/it
Priority to JP49048255A priority patent/JPS5054305A/ja
Publication of FR2227591A1 publication Critical patent/FR2227591A1/fr
Application granted granted Critical
Publication of FR2227591B1 publication Critical patent/FR2227591B1/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
    • G11B17/32—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
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
FR7315453A 1973-04-27 1973-04-27 Expired FR2227591B1 (enrdf_load_stackoverflow)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7315453A FR2227591B1 (enrdf_load_stackoverflow) 1973-04-27 1973-04-27
DE2420423A DE2420423A1 (de) 1973-04-27 1974-04-26 Anordnung zur genauen regelung der stellung der koepfe eines lesegeraetes fuer biegsame platten
IT21923/74A IT1010107B (it) 1973-04-27 1974-04-26 Sistema di regolazione di precisio ne della posizione dei pattini de gui apparecchi di lettura di dischi flessibili e apparecchio di lettu ra comportante un siffatto sistema
JP49048255A JPS5054305A (enrdf_load_stackoverflow) 1973-04-27 1974-04-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7315453A FR2227591B1 (enrdf_load_stackoverflow) 1973-04-27 1973-04-27

Publications (2)

Publication Number Publication Date
FR2227591A1 FR2227591A1 (enrdf_load_stackoverflow) 1974-11-22
FR2227591B1 true FR2227591B1 (enrdf_load_stackoverflow) 1976-11-12

Family

ID=9118615

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7315453A Expired FR2227591B1 (enrdf_load_stackoverflow) 1973-04-27 1973-04-27

Country Status (1)

Country Link
FR (1) FR2227591B1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5910163U (ja) * 1982-07-12 1984-01-23 株式会社東芝 可撓性記録媒体用パッド装置

Also Published As

Publication number Publication date
FR2227591A1 (enrdf_load_stackoverflow) 1974-11-22

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Legal Events

Date Code Title Description
ST Notification of lapse