FR2193230B1 - - Google Patents

Info

Publication number
FR2193230B1
FR2193230B1 FR7325378A FR7325378A FR2193230B1 FR 2193230 B1 FR2193230 B1 FR 2193230B1 FR 7325378 A FR7325378 A FR 7325378A FR 7325378 A FR7325378 A FR 7325378A FR 2193230 B1 FR2193230 B1 FR 2193230B1
Authority
FR
France
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
FR7325378A
Other languages
French (fr)
Other versions
FR2193230A1 (enrdf_load_stackoverflow
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
Publication of FR2193230A1 publication Critical patent/FR2193230A1/fr
Application granted granted Critical
Publication of FR2193230B1 publication Critical patent/FR2193230B1/fr
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)
FR7325378A 1972-07-13 1973-07-11 Expired FR2193230B1 (enrdf_load_stackoverflow)

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 (2)

Publication Number Publication Date
FR2193230A1 FR2193230A1 (enrdf_load_stackoverflow) 1974-02-15
FR2193230B1 true FR2193230B1 (enrdf_load_stackoverflow) 1976-09-17

Family

ID=5850567

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7325378A Expired FR2193230B1 (enrdf_load_stackoverflow) 1972-07-13 1973-07-11

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
GB1425756A (en) 1976-02-18
DE2234455A1 (de) 1974-01-24

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Legal Events

Date Code Title Description
ST Notification of lapse