GB1425756A - Electro-optic picture display and memory device - Google Patents

Electro-optic picture display and memory device

Info

Publication number
GB1425756A
GB1425756A GB3279373A GB3279373A GB1425756A GB 1425756 A GB1425756 A GB 1425756A GB 3279373 A GB3279373 A GB 3279373A GB 3279373 A GB3279373 A GB 3279373A GB 1425756 A GB1425756 A GB 1425756A
Authority
GB
United Kingdom
Prior art keywords
electrodes
quasi
ferroelectric
lenses
radiation
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
GB3279373A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1425756A publication Critical patent/GB1425756A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G02F1/055—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 the active material being a ceramic
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/025—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric
    • H01G7/026—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric with ceramic dielectric

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Inorganic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Transforming Electric Information Into Light Information (AREA)
GB3279373A 1972-07-13 1973-07-10 Electro-optic picture display and memory device Expired GB1425756A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722234455 DE2234455A1 (de) 1972-07-13 1972-07-13 Elektro-optische bildwiedergabe- und speichervorrichtung

Publications (1)

Publication Number Publication Date
GB1425756A true GB1425756A (en) 1976-02-18

Family

ID=5850567

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3279373A Expired GB1425756A (en) 1972-07-13 1973-07-10 Electro-optic picture display and memory device

Country Status (5)

Country Link
JP (1) JPS4946444A (enrdf_load_stackoverflow)
CA (1) CA1006264A (enrdf_load_stackoverflow)
DE (1) DE2234455A1 (enrdf_load_stackoverflow)
FR (1) FR2193230B1 (enrdf_load_stackoverflow)
GB (1) GB1425756A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882269A (en) * 1973-05-11 1975-05-06 Scripps Co E W Apparatus, system and method of storing a static image displayed on a television tube
GB1516675A (en) * 1975-06-09 1978-07-05 Mullard Ltd Electro-optic devices
US4158201A (en) * 1977-10-18 1979-06-12 The Singer Company Flat electro optic display panel and method of using same

Also Published As

Publication number Publication date
JPS4946444A (enrdf_load_stackoverflow) 1974-05-04
CA1006264A (en) 1977-03-01
FR2193230A1 (enrdf_load_stackoverflow) 1974-02-15
DE2234455A1 (de) 1974-01-24
FR2193230B1 (enrdf_load_stackoverflow) 1976-09-17

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee