JPS4965724A - - Google Patents

Info

Publication number
JPS4965724A
JPS4965724A JP47107317A JP10731772A JPS4965724A JP S4965724 A JPS4965724 A JP S4965724A JP 47107317 A JP47107317 A JP 47107317A JP 10731772 A JP10731772 A JP 10731772A JP S4965724 A JPS4965724 A JP S4965724A
Authority
JP
Japan
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.)
Granted
Application number
JP47107317A
Other languages
Japanese (ja)
Other versions
JPS5410841B2 (enrdf_load_stackoverflow
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 filed Critical
Priority to JP10731772A priority Critical patent/JPS5410841B2/ja
Priority to DE2353808A priority patent/DE2353808C3/de
Priority to NL7314763A priority patent/NL7314763A/xx
Publication of JPS4965724A publication Critical patent/JPS4965724A/ja
Publication of JPS5410841B2 publication Critical patent/JPS5410841B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/048—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using other optical storage elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/03—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by deforming with non-mechanical means, e.g. laser, beam of particles
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • 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
    • G11B7/24073—Tracks
    • G11B7/24079—Width or depth

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP10731772A 1972-10-26 1972-10-26 Expired JPS5410841B2 (enrdf_load_stackoverflow)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP10731772A JPS5410841B2 (enrdf_load_stackoverflow) 1972-10-26 1972-10-26
DE2353808A DE2353808C3 (de) 1972-10-26 1973-10-26 Vorrichtung zur Aufzeichnung von Informationssignalen
NL7314763A NL7314763A (enrdf_load_stackoverflow) 1972-10-26 1973-10-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10731772A JPS5410841B2 (enrdf_load_stackoverflow) 1972-10-26 1972-10-26

Publications (2)

Publication Number Publication Date
JPS4965724A true JPS4965724A (enrdf_load_stackoverflow) 1974-06-26
JPS5410841B2 JPS5410841B2 (enrdf_load_stackoverflow) 1979-05-10

Family

ID=14455994

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10731772A Expired JPS5410841B2 (enrdf_load_stackoverflow) 1972-10-26 1972-10-26

Country Status (3)

Country Link
JP (1) JPS5410841B2 (enrdf_load_stackoverflow)
DE (1) DE2353808C3 (enrdf_load_stackoverflow)
NL (1) NL7314763A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5128911U (enrdf_load_stackoverflow) * 1974-08-27 1976-03-02
JPS5455810U (enrdf_load_stackoverflow) * 1978-09-12 1979-04-18
JPS605434A (ja) * 1984-05-11 1985-01-12 Canon Inc 信号再生装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5687239A (en) * 1979-12-18 1981-07-15 Matsushita Electric Ind Co Ltd Optical recording and reproducing device
JPS57200912A (en) * 1981-06-04 1982-12-09 Pioneer Electronic Corp Information recording system
JPS59227039A (ja) * 1983-06-07 1984-12-20 Matsushita Electric Ind Co Ltd 記録再生用デイスク原盤作成装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3287563A (en) * 1962-11-07 1966-11-22 Minnesota Mining & Mfg Spatial coherent reproducing system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1277344B (de) * 1964-07-06 1968-09-12 Siemens Ag Verfahren zur Informationsspeicherung und Gedaechtnisspeicher zur Durchfuehrung des Verfahrens
US3562422A (en) * 1968-04-12 1971-02-09 Columbia Broadcasting Systems Recording apparatus utilizing plane of polarization modulator
DE1903822C3 (de) * 1969-01-23 1973-12-13 Ted Bildplatten Ag Aeg-Telefunkenteldec, Zug (Schweiz) Vorrichtung zur Wiedergabe auf einem Trager gespeicherter Signale, Aufzeichnungs verfahren für einen Trager sowie Trager zur Wiedergabe mit der Vorrichtung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3287563A (en) * 1962-11-07 1966-11-22 Minnesota Mining & Mfg Spatial coherent reproducing system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5128911U (enrdf_load_stackoverflow) * 1974-08-27 1976-03-02
JPS5455810U (enrdf_load_stackoverflow) * 1978-09-12 1979-04-18
JPS605434A (ja) * 1984-05-11 1985-01-12 Canon Inc 信号再生装置

Also Published As

Publication number Publication date
DE2353808A1 (de) 1974-05-16
DE2353808C3 (de) 1982-03-25
DE2353808B2 (de) 1981-06-25
JPS5410841B2 (enrdf_load_stackoverflow) 1979-05-10
NL7314763A (enrdf_load_stackoverflow) 1974-05-01

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