DE3066800D1 - Tracking arrangement for a sensor of signals on an information track - Google Patents

Tracking arrangement for a sensor of signals on an information track

Info

Publication number
DE3066800D1
DE3066800D1 DE8080301240T DE3066800T DE3066800D1 DE 3066800 D1 DE3066800 D1 DE 3066800D1 DE 8080301240 T DE8080301240 T DE 8080301240T DE 3066800 T DE3066800 T DE 3066800T DE 3066800 D1 DE3066800 D1 DE 3066800D1
Authority
DE
Germany
Prior art keywords
diodes
string
signals
generate
reflected light
Prior art date
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
DE8080301240T
Other languages
English (en)
Inventor
Albert Richard Basilico
Raymond John Wilfinger
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.)
Discovision Associates
Original Assignee
Discovision Associates
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 Discovision Associates filed Critical Discovision Associates
Application granted granted Critical
Publication of DE3066800D1 publication Critical patent/DE3066800D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • 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
    • G11B7/0901—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 track following only
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
    • H01L27/144—Devices controlled by radiation
    • H01L27/1446—Devices controlled by radiation in a repetitive configuration

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Burglar Alarm Systems (AREA)
DE8080301240T 1979-04-18 1980-04-17 Tracking arrangement for a sensor of signals on an information track Expired DE3066800D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3125279A 1979-04-18 1979-04-18

Publications (1)

Publication Number Publication Date
DE3066800D1 true DE3066800D1 (en) 1984-04-12

Family

ID=21858415

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080301240T Expired DE3066800D1 (en) 1979-04-18 1980-04-17 Tracking arrangement for a sensor of signals on an information track

Country Status (7)

Country Link
EP (1) EP0018211B1 (de)
JP (1) JPS55142424A (de)
AT (1) ATE6553T1 (de)
CA (1) CA1145463A (de)
DE (1) DE3066800D1 (de)
HK (1) HK50286A (de)
MY (1) MY8700048A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4695991A (en) * 1980-12-09 1987-09-22 Storage Research Pty. Ltd. Reading information stored in multiple frame format
FR2514913B1 (fr) * 1981-10-16 1986-07-04 Bull Sa Dispositif opto-electronique de lecture d'informations contenues sur un support magnetique

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3158846A (en) * 1961-01-23 1964-11-24 Silverman Daniel Information retrieval systems
US3769465A (en) * 1969-08-18 1973-10-30 Ibm Electronic servo in magnetic recording readout
DE2033557B2 (de) * 1970-07-07 1978-03-16 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt System zur Speicherung und Wieder gäbe von Daten
DE2108837C3 (de) * 1971-02-25 1973-11-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zur Abtastung von Signalen längs mindestens einer Spur
US3739154A (en) * 1972-05-01 1973-06-12 Ampex Optical tracking apparatus for read out of high density recording
DE2337494A1 (de) * 1973-07-24 1975-02-13 Licentia Gmbh Anordnung zur abtastung von signalen laengs mindestens einer spur
US3931459A (en) * 1974-02-04 1976-01-06 Zenith Radio Corporation Video disc
US3934130A (en) * 1974-08-22 1976-01-20 General Electric Company Digital differential analyzer
JPS5128720A (de) * 1974-09-04 1976-03-11 Mitsubishi Electric Corp
DE2522405C2 (de) * 1975-05-21 1982-04-15 Philips Patentverwaltung Gmbh, 2000 Hamburg Optisches Mehrkanal-Plattenspeichersystem zum Speichern von digitaler Information
BE831264A (fr) * 1975-07-11 1975-11-03 Systeme de lecture d'informations sur disque
US4047022A (en) * 1976-01-13 1977-09-06 Ernst Leitz Gmbh Auto focus with spatial filtering and pairwise interrogation of photoelectric diodes

Also Published As

Publication number Publication date
EP0018211A1 (de) 1980-10-29
EP0018211B1 (de) 1984-03-07
ATE6553T1 (de) 1984-03-15
HK50286A (en) 1986-07-11
MY8700048A (en) 1987-12-31
CA1145463A (en) 1983-04-26
JPS6214890B2 (de) 1987-04-04
JPS55142424A (en) 1980-11-07

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee