FR1436343A - Système de lecture d'informations - Google Patents

Système de lecture d'informations

Info

Publication number
FR1436343A
FR1436343A FR18245A FR18245A FR1436343A FR 1436343 A FR1436343 A FR 1436343A FR 18245 A FR18245 A FR 18245A FR 18245 A FR18245 A FR 18245A FR 1436343 A FR1436343 A FR 1436343A
Authority
FR
France
Prior art keywords
information reading
reading system
information
reading
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
FR18245A
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR1436343A publication Critical patent/FR1436343A/fr
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
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
    • G02F1/31—Digital deflection, i.e. optical switching

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Holo Graphy (AREA)
  • Optical Recording Or Reproduction (AREA)
FR18245A 1964-05-25 1965-05-25 Système de lecture d'informations Expired FR1436343A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US369741A US3396266A (en) 1964-05-25 1964-05-25 Optical information read-out system

Publications (1)

Publication Number Publication Date
FR1436343A true FR1436343A (fr) 1966-04-22

Family

ID=23456735

Family Applications (1)

Application Number Title Priority Date Filing Date
FR18245A Expired FR1436343A (fr) 1964-05-25 1965-05-25 Système de lecture d'informations

Country Status (4)

Country Link
US (1) US3396266A (fr)
DE (1) DE1472133B2 (fr)
FR (1) FR1436343A (fr)
GB (1) GB1039254A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3510658A (en) * 1967-11-06 1970-05-05 Ibm Light beam servoing system with memory element having wavelength-discrimi-nating guide and data tracks
US3600507A (en) * 1969-06-11 1971-08-17 Us Air Force High data rate optical communication system
US3697757A (en) * 1971-02-08 1972-10-10 Bell Telephone Labor Inc Arrangements for detecting distorted optical pulses using a correlation technique
US4282598A (en) * 1972-10-24 1981-08-04 Discovision Associates Video disc read back scanner
US4451913A (en) * 1972-10-24 1984-05-29 Discovision Associates Video disc read back scanner
DE2462514C3 (de) 1973-02-20 1979-10-31 Mca Disco-Vision, Inc., Universal City, Calif. (V.St.A.) Vorrichtung zum Lesen von Information auf einer Videoplatte
CA1013854A (en) * 1973-02-20 1977-07-12 John S. Winslow Videodisc mastering system
FR2222665B1 (fr) * 1973-03-21 1975-10-31 Thomson Brandt
US3934234A (en) * 1974-07-05 1976-01-20 The United States Of America As Represented By The Secretary Of The Navy Photodichroic readout device using circularly polarized light
US4161752A (en) * 1977-06-28 1979-07-17 International Business Machines Corporation High density video disk having two pit depths
NL7803517A (nl) * 1978-04-03 1979-10-05 Philips Nv Registratiedrager met een optisch uitleesbare fase- struktuur en inrichting voor het uitlezen.
JPS57147148A (en) * 1981-03-05 1982-09-10 Olympus Optical Co Ltd Information reproducer with magnetooptic system
JPH0627706B2 (ja) * 1985-04-25 1994-04-13 オリンパス光学工業株式会社 反射率測定装置

Also Published As

Publication number Publication date
GB1039254A (en) 1966-08-17
DE1472133A1 (de) 1969-02-13
DE1472133B2 (de) 1972-11-02
US3396266A (en) 1968-08-06

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