GB1599507A - Optical apparatus including a liquid crystal matrix - Google Patents

Optical apparatus including a liquid crystal matrix Download PDF

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Publication number
GB1599507A
GB1599507A GB1331578A GB1331578A GB1599507A GB 1599507 A GB1599507 A GB 1599507A GB 1331578 A GB1331578 A GB 1331578A GB 1331578 A GB1331578 A GB 1331578A GB 1599507 A GB1599507 A GB 1599507A
Authority
GB
United Kingdom
Prior art keywords
matrix
radiation
elements
field
view
Prior art date
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
GB1331578A
Other languages
English (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.)
Eltro GmbH and Co
Original Assignee
Eltro GmbH and 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 Eltro GmbH and Co filed Critical Eltro GmbH and Co
Publication of GB1599507A publication Critical patent/GB1599507A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
    • G01S3/781—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G7/00—Direction control systems for self-propelled missiles
    • F41G7/20—Direction control systems for self-propelled missiles based on continuous observation of target position
    • F41G7/30—Command link guidance systems
    • F41G7/301—Details
    • F41G7/303—Sighting or tracking devices especially provided for simultaneous observation of the target and of the missile
    • 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
    • G02B27/36—Fiducial marks and measuring scales within the optical system adjustable
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/005—Diaphragms
    • 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
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • 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
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • G02F1/13318—Circuits comprising a photodetector

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Liquid Crystal (AREA)
GB1331578A 1977-05-14 1978-04-05 Optical apparatus including a liquid crystal matrix Expired GB1599507A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772722018 DE2722018C2 (de) 1977-05-14 1977-05-14 Flüssigkristallblende

Publications (1)

Publication Number Publication Date
GB1599507A true GB1599507A (en) 1981-10-07

Family

ID=6009069

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1331578A Expired GB1599507A (en) 1977-05-14 1978-04-05 Optical apparatus including a liquid crystal matrix

Country Status (3)

Country Link
DE (1) DE2722018C2 (de)
FR (1) FR2390751A1 (de)
GB (1) GB1599507A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2191056A (en) * 1986-05-17 1987-12-02 Messerschmitt Boelkow Blohm Masked direction finder
EP2085763A3 (de) * 2008-01-30 2012-05-23 Palo Alto Research Center Incorporated Erhalten von Messergebnissen und/oder -daten als Reaktion auf eine Gegenstanderfassung

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3120344C2 (de) * 1980-06-28 1982-12-30 Eltro GmbH, Gesellschaft für Strahlungstechnik, 6900 Heidelberg Verfahren und Vorrichtung zur Funktionsprüfung von Ortungsanlagen
DE3141524C1 (de) * 1981-10-20 1983-02-24 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Verfahren und Vorrichtung zur Ausblendung von Störstrahlern in einer Einrichtung zur optischen Lenkung von Flugkörpern
FR2538239B1 (fr) * 1982-12-22 1986-02-28 Essilor Int Dispositif de mesure de parametres oculaires, notamment ecart pupillaire, avec des reticules electro-optiques a commande numerique
DE3429410A1 (de) * 1984-08-09 1986-02-20 Industrieanlagen-Betriebsgesellschaft Mbh, 8012 Ottobrunn Ir-szenarien-simulator
JPS62104262A (ja) * 1985-10-30 1987-05-14 Sharp Corp イメ−ジ入力装置
FR2590965B1 (fr) * 1985-11-29 1989-02-17 Cibie Projecteurs Feu de signalisation a deux etats d'eclairement pour vehicule tel qu'un vehicule automobile
DE3708923A1 (de) * 1987-03-19 1988-09-29 Messerschmitt Boelkow Blohm Modulationsvorrichtung
FR2614426A1 (fr) * 1987-04-25 1988-10-28 Messerschmitt Boelkow Blohm Goniometre pour la localisation de la position d'un missile
DE3741856C1 (de) * 1987-12-10 1989-04-20 Messerschmitt Boelkow Blohm Optronische stoergeschuetzte Flugkoerperortung
NL8800595A (nl) * 1988-03-10 1989-10-02 Philips Nv Weergeef- en opneeminrichting voor stereoscopische beeldweergave.
DE3910159A1 (de) * 1989-03-21 1990-09-27 Stefan Weller Verfahren zum beruehrungsgesteuerten abblenden eines lichtfeldes, das in wenigstens einem schritt auf mindestens einer von vier rechtwinklig zueinander stehenden seiten eines lichtfeldes wirksam ist
FR2751479B1 (fr) * 1990-08-03 1998-11-06 Thomson Csf Procede et systeme de protection des equipements de veille ou de poursuite optroniques au regard d'une illumination
FR2686161B1 (fr) * 1992-01-10 1995-01-06 Essilor Int Reticule electronique, procede d'obtention d'une meilleure precision lors de l'emploi d'un reticule electronique, et son application.
DE19519166C2 (de) * 1995-05-24 1997-09-18 Walther Carl Gmbh Diopter-Zielvorrichtung
DE10212823B4 (de) * 2002-03-22 2010-12-09 Leopold Kostal Gmbh & Co. Kg Funktionssymboldarstellungseinrichtung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675988A (en) * 1969-11-25 1972-07-11 Sperry Rand Corp Liquid crystal electro-optical measurement and display devices
US3765747A (en) * 1971-08-02 1973-10-16 Texas Instruments Inc Liquid crystal display using a moat, integral driver circuit and electrodes formed within a semiconductor substrate
DD105372A1 (de) * 1972-09-06 1974-04-12
GB1432558A (en) * 1972-09-22 1976-04-22 Secr Defence Graticule
CA993695A (en) * 1972-10-02 1976-07-27 Hughes Aircraft Company Liquid crystal digital reticle
DE2428012A1 (de) * 1974-06-11 1976-01-02 Heinrichs Klaus Dieter Fluessigkristallblenden und verschluesse
CH592318A5 (de) * 1975-10-23 1977-10-31 Bbc Brown Boveri & Cie
DE2655306C3 (de) * 1976-12-07 1981-07-09 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Verfahren und Vorrichtung zur Ausblendung von Störstrahlern in einer Einrichtung zur optischen Lenkung von Flugkörpern

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2191056A (en) * 1986-05-17 1987-12-02 Messerschmitt Boelkow Blohm Masked direction finder
GB2191056B (en) * 1986-05-17 1990-08-22 Messerschmitt Boelkow Blohm An opto-electronic position finding system
EP2085763A3 (de) * 2008-01-30 2012-05-23 Palo Alto Research Center Incorporated Erhalten von Messergebnissen und/oder -daten als Reaktion auf eine Gegenstanderfassung

Also Published As

Publication number Publication date
FR2390751A1 (fr) 1978-12-08
DE2722018A1 (de) 1978-11-16
DE2722018C2 (de) 1983-12-08
FR2390751B3 (de) 1980-11-07

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Legal Events

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PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee