FR2136279A5 - - Google Patents

Info

Publication number
FR2136279A5
FR2136279A5 FR7212373A FR7212373A FR2136279A5 FR 2136279 A5 FR2136279 A5 FR 2136279A5 FR 7212373 A FR7212373 A FR 7212373A FR 7212373 A FR7212373 A FR 7212373A FR 2136279 A5 FR2136279 A5 FR 2136279A5
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
FR7212373A
Other languages
French (fr)
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.)
INT LIQUID XTAL CO
Original Assignee
INT LIQUID XTAL CO
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 INT LIQUID XTAL CO filed Critical INT LIQUID XTAL CO
Application granted granted Critical
Publication of FR2136279A5 publication Critical patent/FR2136279A5/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
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
    • G01B15/02—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring thickness

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR7212373A 1971-04-07 1972-04-07 Expired FR2136279A5 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13206071A 1971-04-07 1971-04-07
US22646872A 1972-02-15 1972-02-15

Publications (1)

Publication Number Publication Date
FR2136279A5 true FR2136279A5 (da) 1972-12-22

Family

ID=26830061

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7212373A Expired FR2136279A5 (da) 1971-04-07 1972-04-07

Country Status (3)

Country Link
CA (1) CA954720A (da)
DE (1) DE2216567A1 (da)
FR (1) FR2136279A5 (da)

Also Published As

Publication number Publication date
DE2216567A1 (de) 1972-10-19
CA954720A (en) 1974-09-17

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Legal Events

Date Code Title Description
ST Notification of lapse