GB1334574A - Electro-optical memory - Google Patents

Electro-optical memory

Info

Publication number
GB1334574A
GB1334574A GB1266871*[A GB1266871A GB1334574A GB 1334574 A GB1334574 A GB 1334574A GB 1266871 A GB1266871 A GB 1266871A GB 1334574 A GB1334574 A GB 1334574A
Authority
GB
United Kingdom
Prior art keywords
light
reading
charge
information
hologram
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
GB1266871*[A
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Publication of GB1334574A publication Critical patent/GB1334574A/en
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
    • G11C13/047—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 electro-optical elements
    • 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
    • G02F1/01—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 intensity, phase, polarisation or colour 
    • G02F1/03—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 intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/05—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 intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect with ferro-electric properties
    • G02F1/0525—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 intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect with ferro-electric properties addressed by a beam of charged particles
    • 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
    • G02F1/01—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 intensity, phase, polarisation or colour 
    • G02F1/03—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 intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/05—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 intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect with ferro-electric properties
    • G02F1/0533—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 intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect with ferro-electric properties structurally associated with a photo-conductive layer

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Holo Graphy (AREA)
  • Optical Recording Or Reproduction (AREA)
GB1266871*[A 1970-05-04 1971-05-03 Electro-optical memory Expired GB1334574A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3411870A 1970-05-04 1970-05-04

Publications (1)

Publication Number Publication Date
GB1334574A true GB1334574A (en) 1973-10-24

Family

ID=21874420

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1266871*[A Expired GB1334574A (en) 1970-05-04 1971-05-03 Electro-optical memory

Country Status (6)

Country Link
US (1) US3660818A (enExample)
CA (1) CA938722A (enExample)
DE (1) DE2122001C3 (enExample)
FR (1) FR2091192A5 (enExample)
GB (1) GB1334574A (enExample)
NL (1) NL7106014A (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3810108A (en) * 1972-05-30 1974-05-07 Ibm Processor utilizing a holographic array and a content addressable storage unit for high speed searching
US3766533A (en) * 1972-05-30 1973-10-16 Ibm Processor utilizing one holographic array and a plurality of photoresponsive storage arrays for high paging performance
DE2355136C3 (de) * 1973-11-05 1982-05-27 Hoechst Ag, 6000 Frankfurt Vorrichtung zum Aufzeichnen von überlagerten Hologrammen
US4060319A (en) * 1975-06-20 1977-11-29 Meaney Jr Daniel J Coherent beam imaging apparatus and method
JPS5932770B2 (ja) * 1975-10-24 1984-08-10 キヤノン株式会社 ハ−フト−ン記録装置
US4094606A (en) * 1976-11-26 1978-06-13 Xerox Corporation Xerographic system employing waveguide addressing and modulating apparatus
US4204725A (en) * 1977-11-17 1980-05-27 International Business Machines Corporation Apparatus for detecting information stored on photocopying media, transmitting and storing the same
JPS54140542A (en) * 1978-04-23 1979-10-31 Canon Inc Method and apparatus for automatically handling papers
US4358677A (en) * 1980-05-22 1982-11-09 Siemens Corporation Transducer for fingerprints and apparatus for analyzing fingerprints
US4376576A (en) * 1980-09-02 1983-03-15 Xerox Corporation Light collector rod for use in xerographic systems
US4336993A (en) * 1980-09-02 1982-06-29 Xerox Corporation Light collector rod for use in xerographic systems
US4566086A (en) * 1983-06-13 1986-01-21 Ncr Corporation Information storage system utilizing electrets
US4760410A (en) * 1983-08-22 1988-07-26 Canon Kabushiki Kaisha Image display device
US4703992A (en) * 1986-05-27 1987-11-03 Rockwell International Corporation Laser beam cleanup by photorefractive two-way mixing
US4953924A (en) * 1987-12-30 1990-09-04 Microelectronics And Computer Technology Corporation Enhanced nondestructive holographic reconstruction
US5508829A (en) * 1992-12-18 1996-04-16 International Business Machines Corporation LTG AlGaAs non-linear optical material and devices fabricated therefrom
US7739577B2 (en) * 2004-06-03 2010-06-15 Inphase Technologies Data protection system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3083615A (en) * 1960-05-16 1963-04-02 Lockheed Aircraft Corp Optical apparatus for making and reconstructing holograms
US3347614A (en) * 1964-03-13 1967-10-17 Lab For Electronics Inc Magnetic film display device
GB1164432A (en) * 1966-01-29 1969-09-17 Melvin Seymour Cook Methods of and Apparatus for Converting Radiant Energy Patterns into Sound
US3512864A (en) * 1967-09-14 1970-05-19 Atomic Energy Commission Ferroelectric ceramic optical retardation devices
US3517206A (en) * 1968-04-08 1970-06-23 Itek Corp Apparatus and method for optical read-out of internal electric field

Also Published As

Publication number Publication date
DE2122001C3 (de) 1974-03-07
CA938722A (en) 1973-12-18
FR2091192A5 (enExample) 1972-01-14
DE2122001A1 (de) 1971-12-02
US3660818A (en) 1972-05-02
DE2122001B2 (de) 1973-08-02
NL7106014A (enExample) 1971-11-08

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Legal Events

Date Code Title Description
429A Application made for amendment of specification (sect. 29/1949)
429H Application (made) for amendment of specification now open to opposition (sect. 29/1949)
429D Case decided by the comptroller ** specification amended (sect. 29/1949)
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees