FR2189740A1 - - Google Patents

Info

Publication number
FR2189740A1
FR2189740A1 FR7222395A FR7222395A FR2189740A1 FR 2189740 A1 FR2189740 A1 FR 2189740A1 FR 7222395 A FR7222395 A FR 7222395A FR 7222395 A FR7222395 A FR 7222395A FR 2189740 A1 FR2189740 A1 FR 2189740A1
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
FR7222395A
Other languages
French (fr)
Other versions
FR2189740B1 (de
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.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT SA
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 Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Priority to FR7222395A priority Critical patent/FR2189740B1/fr
Publication of FR2189740A1 publication Critical patent/FR2189740A1/fr
Application granted granted Critical
Publication of FR2189740B1 publication Critical patent/FR2189740B1/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
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08—Measuring electromagnetic field characteristics
    • G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
    • G01R29/0878—Sensors; antennas; probes; detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
FR7222395A 1972-06-21 1972-06-21 Expired FR2189740B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7222395A FR2189740B1 (de) 1972-06-21 1972-06-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7222395A FR2189740B1 (de) 1972-06-21 1972-06-21

Publications (2)

Publication Number Publication Date
FR2189740A1 true FR2189740A1 (de) 1974-01-25
FR2189740B1 FR2189740B1 (de) 1975-08-29

Family

ID=9100565

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7222395A Expired FR2189740B1 (de) 1972-06-21 1972-06-21

Country Status (1)

Country Link
FR (1) FR2189740B1 (de)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2189740B1 (de) 1975-08-29

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Legal Events

Date Code Title Description
ST Notification of lapse