CA1006264A - Electro-optic picture display and memory device - Google Patents

Electro-optic picture display and memory device

Info

Publication number
CA1006264A
CA1006264A CA175,891A CA175891A CA1006264A CA 1006264 A CA1006264 A CA 1006264A CA 175891 A CA175891 A CA 175891A CA 1006264 A CA1006264 A CA 1006264A
Authority
CA
Canada
Prior art keywords
electro
memory device
picture display
optic picture
optic
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
CA175,891A
Other versions
CA175891S (en
Inventor
Karl H. Hardtl
Klaus F.L. Carl
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA1006264A publication Critical patent/CA1006264A/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 OR LIGHT-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
CA175,891A 1972-07-13 1973-07-06 Electro-optic picture display and memory device Expired CA1006264A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722234455 DE2234455A1 (en) 1972-07-13 1972-07-13 ELECTRO-OPTICAL IMAGE PLAYBACK AND STORAGE DEVICE

Publications (1)

Publication Number Publication Date
CA1006264A true CA1006264A (en) 1977-03-01

Family

ID=5850567

Family Applications (1)

Application Number Title Priority Date Filing Date
CA175,891A Expired CA1006264A (en) 1972-07-13 1973-07-06 Electro-optic picture display and memory device

Country Status (5)

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

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
FR2193230A1 (en) 1974-02-15
DE2234455A1 (en) 1974-01-24
JPS4946444A (en) 1974-05-04
FR2193230B1 (en) 1976-09-17
GB1425756A (en) 1976-02-18

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