IL96479A - Eye goggles with a light crystal of liquid crystal - Google Patents

Eye goggles with a light crystal of liquid crystal

Info

Publication number
IL96479A
IL96479A IL9647990A IL9647990A IL96479A IL 96479 A IL96479 A IL 96479A IL 9647990 A IL9647990 A IL 9647990A IL 9647990 A IL9647990 A IL 9647990A IL 96479 A IL96479 A IL 96479A
Authority
IL
Israel
Prior art keywords
light valve
light
optical train
image
liquid crystal
Prior art date
Application number
IL9647990A
Other languages
English (en)
Hebrew (he)
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 IL96479A publication Critical patent/IL96479A/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/02—Goggles
    • A61F9/022—Use of special optical filters, e.g. multiple layers, filters for protection against laser light or light from nuclear explosions, screens with different filter properties on different parts of the screen; Rotating slit-discs
    • A61F9/023—Use of special optical filters, e.g. multiple layers, filters for protection against laser light or light from nuclear explosions, screens with different filter properties on different parts of the screen; Rotating slit-discs with variable transmission, e.g. photochromic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
    • A61F9/06—Masks, shields or hoods for welders
    • A61F9/065—Masks, shields or hoods for welders use of particular optical filters
    • A61F9/067—Masks, shields or hoods for welders use of particular optical filters with variable transmission
    • 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
    • G02F1/135—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
    • G02F1/1352—Light-reflecting layers
    • 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
    • G02F1/135—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied
    • G02F1/1354—Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied having a particular photoconducting structure or material

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Eyeglasses (AREA)
IL9647990A 1989-12-12 1990-11-26 Eye goggles with a light crystal of liquid crystal IL96479A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/450,118 US5081542A (en) 1989-12-12 1989-12-12 Liquid crystal light valve goggles for eye protection

Publications (1)

Publication Number Publication Date
IL96479A true IL96479A (en) 1994-02-27

Family

ID=23786833

Family Applications (1)

Application Number Title Priority Date Filing Date
IL9647990A IL96479A (en) 1989-12-12 1990-11-26 Eye goggles with a light crystal of liquid crystal

Country Status (7)

Country Link
US (1) US5081542A (ja)
EP (1) EP0436845B1 (ja)
JP (1) JPH03193046A (ja)
CA (1) CA2030724C (ja)
DE (1) DE69019712T2 (ja)
ES (1) ES2072353T3 (ja)
IL (1) IL96479A (ja)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5343313A (en) * 1990-03-20 1994-08-30 James L. Fergason Eye protection system with heads up display
US5227886A (en) * 1991-02-19 1993-07-13 Hughes Aircraft Company Optical imaging/display CCD light valve and method
KR0161371B1 (ko) * 1991-04-30 1999-01-15 강진구 액정 라이트 밸브와 그 제조 방법
EP0539907B1 (en) * 1991-11-01 1997-09-03 Kabushiki Kaisha Sega Enterprises Head-mounted image display
US6097543A (en) 1992-02-07 2000-08-01 I-O Display Systems Llc Personal visual display
US5864326A (en) * 1992-02-07 1999-01-26 I-O Display Systems Llc Depixelated visual display
US5303085A (en) 1992-02-07 1994-04-12 Rallison Richard D Optically corrected helmet mounted display
US5305012A (en) * 1992-04-15 1994-04-19 Reveo, Inc. Intelligent electro-optical system and method for automatic glare reduction
WO1994001850A1 (en) * 1992-07-13 1994-01-20 Instrument Flight Research, Inc. Night vision goggle simulator
US5526022A (en) 1993-01-06 1996-06-11 Virtual I/O, Inc. Sourceless orientation sensor
US5325227A (en) * 1993-08-23 1994-06-28 The United States Of America As Represented By The Secretary Of The Army Laser attenuation means
US5448382A (en) * 1993-09-07 1995-09-05 The United States Of America As Represented By The Secretary Of The Air Force Nonlinear optical scattering screen viewer
US5991087A (en) * 1993-11-12 1999-11-23 I-O Display System Llc Non-orthogonal plate in a virtual reality or heads up display
US5389788A (en) * 1993-12-13 1995-02-14 Hughes Aircraft Company Infrared transducer and goggles incorporating the same
US6160666A (en) 1994-02-07 2000-12-12 I-O Display Systems Llc Personal visual display system
US5903395A (en) 1994-08-31 1999-05-11 I-O Display Systems Llc Personal visual display system
US5612800A (en) * 1994-11-02 1997-03-18 Hughes Aircraft Company LCLV having photoconductive pedestals each having a cross-sectional area no greater than 5 percent of the area of its respective reflective pad
US5660549A (en) * 1995-01-23 1997-08-26 Flameco, Inc. Firefighter training simulator
US5991085A (en) 1995-04-21 1999-11-23 I-O Display Systems Llc Head-mounted personal visual display apparatus with image generator and holder
USD383455S (en) * 1995-08-31 1997-09-09 Virtual I/O, Inc. Head mounted display with headtracker
JPH09130705A (ja) * 1995-10-31 1997-05-16 Olympus Optical Co Ltd 頭部装着式映像表示装置
US5760852A (en) * 1995-11-03 1998-06-02 Hughes Electronics Corporation Laser-hardened eye protection goggles
FR2742555B1 (fr) * 1995-12-18 1998-02-13 Aerospatiale Dispositif de protection des yeux
DE19616323A1 (de) * 1996-04-24 1997-10-30 Deutsche Telekom Ag Vorrichtung zur lokalen Abschwächung der Lichtintensität
DE19640404A1 (de) * 1996-09-30 1998-04-09 Ldt Gmbh & Co Vorrichtung zur Darstellung von Bildern
US6864927B1 (en) * 1996-12-31 2005-03-08 Micron Technology, Inc. Head up display with adjustable transparency screen
US5903396A (en) * 1997-10-17 1999-05-11 I/O Display Systems, Llc Intensified visual display
US20040179149A1 (en) * 2003-03-10 2004-09-16 Anothony Wang-Lee Protective mask with a liquid crystal display panel
US7777929B2 (en) * 2005-01-25 2010-08-17 Bar Iian University Electric device and method of its fabrication
US7567306B2 (en) * 2006-07-14 2009-07-28 Alphamicron, Inc. Liquid crystal ski goggles and methods of manufacturing the same
US8432467B2 (en) * 2009-07-24 2013-04-30 Raytheon Company Integrated detection and display imaging system and method
US9411174B2 (en) 2010-04-05 2016-08-09 Alphamicron Incorporated Electronically switchable optical device with a multi-functional optical control apparatus and methods for operating the same
US10095052B2 (en) 2010-04-05 2018-10-09 Alphamicron Incorporated Electronically switchable optical device with a multi-functional optical control apparatus and methods for operating the same
EP3578011B1 (en) 2017-01-31 2023-07-19 Lightguard Ltd Temporarily impairing vision of selected occupants of an area

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1541255C3 (de) * 1966-12-06 1974-01-03 Eltro Gmbh Gesellschaft Fuer Strahlungstechnik, 6900 Heidelberg Vorrichtung zum Schutz des Auges gegen Laser-Strahlung
US4214267A (en) * 1977-11-23 1980-07-22 Roese John A Stereofluoroscopy system
US4561731A (en) * 1980-03-10 1985-12-31 Kley Victor B Electronic illumination control
US4462661A (en) * 1982-02-23 1984-07-31 Instrument Flight Research Laser protection goggles
US4465347A (en) * 1982-11-15 1984-08-14 The United States Of America As Represented By The Secretary Of The Air Force Helmet mounted telescope
GB8713021D0 (en) * 1987-06-03 1987-10-21 Gec Avionics Helmet display systems
US4997263A (en) * 1989-06-12 1991-03-05 Allied-Signal Inc. Ambient light illuminated liquid crystal display system

Also Published As

Publication number Publication date
EP0436845A1 (en) 1991-07-17
JPH03193046A (ja) 1991-08-22
US5081542A (en) 1992-01-14
CA2030724A1 (en) 1991-06-13
DE69019712D1 (de) 1995-06-29
CA2030724C (en) 1996-01-09
EP0436845B1 (en) 1995-05-24
DE69019712T2 (de) 1995-11-16
ES2072353T3 (es) 1995-07-16
JPH042260B2 (ja) 1992-01-17

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Legal Events

Date Code Title Description
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees