SE415305B - Anleggning for lagring av datainformation - Google Patents

Anleggning for lagring av datainformation

Info

Publication number
SE415305B
SE415305B SE7605648A SE7605648A SE415305B SE 415305 B SE415305 B SE 415305B SE 7605648 A SE7605648 A SE 7605648A SE 7605648 A SE7605648 A SE 7605648A SE 415305 B SE415305 B SE 415305B
Authority
SE
Sweden
Prior art keywords
plant
data information
storing data
storing
information
Prior art date
Application number
SE7605648A
Other languages
English (en)
Swedish (sv)
Other versions
SE7605648L (sv
Inventor
B Hill
R Pepperl
Kruger
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
Priority claimed from DE19752522593 external-priority patent/DE2522593C2/de
Priority claimed from DE19762608715 external-priority patent/DE2608715C2/de
Application filed by Philips Nv filed Critical Philips Nv
Publication of SE7605648L publication Critical patent/SE7605648L/xx
Publication of SE415305B publication Critical patent/SE415305B/xx

Links

Classifications

    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • 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
    • G11B17/005—Programmed access to indexed parts of tracks of operating discs, by guiding the disc
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • 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
    • G11B7/0938—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 servo format, e.g. guide tracks, pilot signals
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215—Recordable discs
    • G11B2220/218—Write-once discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2525—Magneto-optical [MO] discs

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
SE7605648A 1975-05-22 1976-05-19 Anleggning for lagring av datainformation SE415305B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19752522593 DE2522593C2 (de) 1975-05-22 1975-05-22 Optisches System zum wahlfreien Speichern und Wiedergewinnen digitaler Daten
DE19762608715 DE2608715C2 (de) 1976-03-03 1976-03-03 Optisches System zum Speichern und Wiedergewinnen digitaler Daten

Publications (2)

Publication Number Publication Date
SE7605648L SE7605648L (sv) 1976-11-23
SE415305B true SE415305B (sv) 1980-09-22

Family

ID=25768928

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7605648A SE415305B (sv) 1975-05-22 1976-05-19 Anleggning for lagring av datainformation

Country Status (7)

Country Link
US (1) US4094013A (xx)
JP (1) JPS608530B2 (xx)
CA (1) CA1077620A (xx)
FR (1) FR2312087A1 (xx)
GB (1) GB1551327A (xx)
IT (1) IT1060627B (xx)
SE (1) SE415305B (xx)

Families Citing this family (96)

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DE2710166C2 (de) * 1977-03-09 1984-09-13 Philips Patentverwaltung Gmbh, 2000 Hamburg Mechanisch adressierter optischer Speicher
FR2396379A1 (fr) * 1977-07-01 1979-01-26 Thomson Brandt Lecteur optique de disque d'information muni d'un dispositif d'acces automatique aux informations
US4205338A (en) * 1977-11-03 1980-05-27 Laser File Inc. Disc recording tracking system
JPS5465503A (en) * 1977-11-04 1979-05-26 Hitachi Ltd Information recorder-reproducer
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NL7810462A (nl) * 1978-10-19 1980-04-22 Philips Nv Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare stralingsreflekterende informatiestruktuur
NL7810463A (nl) * 1978-10-19 1980-04-22 Philips Nv Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur.
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FR2504765A1 (fr) * 1981-04-27 1982-10-29 Thomson Csf Dispositif d'enregistrement-lecture comprenant un support mobile d'informations du type comportant une piste pregravee
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FR2528605B1 (fr) * 1982-06-15 1987-11-20 Thomson Csf Procede et dispositif optique de focalisation d'un faisceau d'energie lumineuse sur un plan de reference d'un support d'information ainsi que ce support
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JP2578738B2 (ja) * 1983-03-19 1997-02-05 ソニー株式会社 自動選曲機能付レコ−ドプレ−ヤ
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JPH0812743B2 (ja) * 1983-06-30 1996-02-07 株式会社東芝 ディスク装置
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Also Published As

Publication number Publication date
JPS608530B2 (ja) 1985-03-04
IT1060627B (it) 1982-08-20
FR2312087A1 (fr) 1976-12-17
CA1077620A (en) 1980-05-13
US4094013A (en) 1978-06-06
JPS51146803A (en) 1976-12-16
GB1551327A (en) 1979-08-30
FR2312087B1 (xx) 1979-07-27
SE7605648L (sv) 1976-11-23

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