FR2201482A1 - - Google Patents

Info

Publication number
FR2201482A1
FR2201482A1 FR7335068A FR7335068A FR2201482A1 FR 2201482 A1 FR2201482 A1 FR 2201482A1 FR 7335068 A FR7335068 A FR 7335068A FR 7335068 A FR7335068 A FR 7335068A FR 2201482 A1 FR2201482 A1 FR 2201482A1
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
FR7335068A
Other languages
French (fr)
Other versions
FR2201482B1 (en
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.)
Raytheon Co
Original Assignee
Hughes Aircraft 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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of FR2201482A1 publication Critical patent/FR2201482A1/fr
Application granted granted Critical
Publication of FR2201482B1 publication Critical patent/FR2201482B1/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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • 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
    • G02B27/32—Fiducial marks and measuring scales within the optical system

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
FR7335068A 1972-10-02 1973-10-01 Expired FR2201482B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29397872A 1972-10-02 1972-10-02

Publications (2)

Publication Number Publication Date
FR2201482A1 true FR2201482A1 (en) 1974-04-26
FR2201482B1 FR2201482B1 (en) 1977-05-27

Family

ID=23131366

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7335068A Expired FR2201482B1 (en) 1972-10-02 1973-10-01

Country Status (10)

Country Link
JP (1) JPS4973161A (en)
BE (1) BE805514A (en)
CA (1) CA993695A (en)
DE (1) DE2347788B2 (en)
FR (1) FR2201482B1 (en)
GB (1) GB1406569A (en)
IL (1) IL43175A (en)
IT (1) IT1000428B (en)
NL (1) NL161876C (en)
SE (1) SE389927B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028098A1 (en) * 1979-10-19 1981-05-06 The Marconi Company Limited Improvements in or relating to sights
FR2656078A1 (en) * 1989-12-20 1991-06-21 France Etat Armement Sight (aiming) telescope for combat vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2722018C2 (en) * 1977-05-14 1983-12-08 Eltro GmbH, Gesellschaft für Strahlungstechnik, 6900 Heidelberg Liquid crystal shutter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
L'ARTICLE: "THE USE OF LIQUID CRYSTALS TO MAKE PROGRAMMABLE GRATICULES IN OPTICAL SYSTEMS" DE C.H. GOOCH ET AL PARU DANS LE JOURNAL OF PHYSICS E: SCIENTIFIC INSTRUMENTS VOLUME 6, 1973, NO. 5, PAGES 485-486) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028098A1 (en) * 1979-10-19 1981-05-06 The Marconi Company Limited Improvements in or relating to sights
FR2656078A1 (en) * 1989-12-20 1991-06-21 France Etat Armement Sight (aiming) telescope for combat vehicle

Also Published As

Publication number Publication date
NL161876B (en) 1979-10-15
DE2347788A1 (en) 1974-05-16
GB1406569A (en) 1975-09-17
CA993695A (en) 1976-07-27
BE805514A (en) 1974-02-01
SE389927B (en) 1976-11-22
JPS4973161A (en) 1974-07-15
IL43175A0 (en) 1974-01-14
NL7313567A (en) 1974-04-04
IL43175A (en) 1975-12-31
IT1000428B (en) 1976-03-30
FR2201482B1 (en) 1977-05-27
DE2347788B2 (en) 1976-11-18
NL161876C (en) 1980-03-17

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Legal Events

Date Code Title Description
ST Notification of lapse