FR2180572A1 - - Google Patents

Info

Publication number
FR2180572A1
FR2180572A1 FR7214212A FR7214212A FR2180572A1 FR 2180572 A1 FR2180572 A1 FR 2180572A1 FR 7214212 A FR7214212 A FR 7214212A FR 7214212 A FR7214212 A FR 7214212A FR 2180572 A1 FR2180572 A1 FR 2180572A1
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.)
Granted
Application number
FR7214212A
Other languages
French (fr)
Other versions
FR2180572B1 (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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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 Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Priority to FR7214212A priority Critical patent/FR2180572B1/fr
Publication of FR2180572A1 publication Critical patent/FR2180572A1/fr
Application granted granted Critical
Publication of FR2180572B1 publication Critical patent/FR2180572B1/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 
    • G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
    • G02F1/132—Thermal activation of liquid crystals exhibiting a thermo-optic effect
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/12—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/50—Optics for phase object visualisation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Astronomy & Astrophysics (AREA)
FR7214212A 1972-04-21 1972-04-21 Expired FR2180572B1 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7214212A FR2180572B1 (enrdf_load_stackoverflow) 1972-04-21 1972-04-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7214212A FR2180572B1 (enrdf_load_stackoverflow) 1972-04-21 1972-04-21

Publications (2)

Publication Number Publication Date
FR2180572A1 true FR2180572A1 (enrdf_load_stackoverflow) 1973-11-30
FR2180572B1 FR2180572B1 (enrdf_load_stackoverflow) 1974-09-27

Family

ID=9097307

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7214212A Expired FR2180572B1 (enrdf_load_stackoverflow) 1972-04-21 1972-04-21

Country Status (1)

Country Link
FR (1) FR2180572B1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980001518A1 (en) * 1979-01-12 1980-03-20 Lasag Ag Light modulation device and its use for testing parts
EP0010031A1 (fr) * 1978-09-29 1980-04-16 ANVAR Agence Nationale de Valorisation de la Recherche Procédé pour la transformation d'images thermiques en images visibles, dispositif pour sa mise en oeuvre et utilisation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3114836A (en) * 1960-03-04 1963-12-17 Westinghouse Electric Corp Thermal imaging devices utilizing a cholesteric liquid crystalline phase material
FR1452665A (fr) * 1965-06-23 1966-04-15 Gretag Ag Transformateur d'image

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3114836A (en) * 1960-03-04 1963-12-17 Westinghouse Electric Corp Thermal imaging devices utilizing a cholesteric liquid crystalline phase material
FR1452665A (fr) * 1965-06-23 1966-04-15 Gretag Ag Transformateur d'image

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010031A1 (fr) * 1978-09-29 1980-04-16 ANVAR Agence Nationale de Valorisation de la Recherche Procédé pour la transformation d'images thermiques en images visibles, dispositif pour sa mise en oeuvre et utilisation
FR2437638A1 (fr) * 1978-09-29 1980-04-25 Anvar Procede pour la transformation d'images thermiques, notamment en images visibles, et dispositif pour sa mise en oeuvre
WO1980001518A1 (en) * 1979-01-12 1980-03-20 Lasag Ag Light modulation device and its use for testing parts

Also Published As

Publication number Publication date
FR2180572B1 (enrdf_load_stackoverflow) 1974-09-27

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Legal Events

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CL Concession to grant licenses
ST Notification of lapse