DK163477C - Optisk filter til anvendelse som beskyttelsesglas ved svejsning - Google Patents

Optisk filter til anvendelse som beskyttelsesglas ved svejsning

Info

Publication number
DK163477C
DK163477C DK081585A DK81585A DK163477C DK 163477 C DK163477 C DK 163477C DK 081585 A DK081585 A DK 081585A DK 81585 A DK81585 A DK 81585A DK 163477 C DK163477 C DK 163477C
Authority
DK
Denmark
Prior art keywords
cells
optical filter
welding
protective glass
filter
Prior art date
Application number
DK081585A
Other languages
Danish (da)
English (en)
Other versions
DK163477B (da
DK81585A (da
DK81585D0 (da
Inventor
Peter Toth
Original Assignee
Esab Ab
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 Esab Ab filed Critical Esab Ab
Publication of DK81585D0 publication Critical patent/DK81585D0/da
Publication of DK81585A publication Critical patent/DK81585A/da
Publication of DK163477B publication Critical patent/DK163477B/da
Application granted granted Critical
Publication of DK163477C publication Critical patent/DK163477C/da

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
    • A61F9/04—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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13475—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which at least one liquid crystal cell or layer is doped with a pleochroic dye, e.g. GH-LC cell

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Optical Filters (AREA)
  • Glass Compositions (AREA)
  • Filtering Materials (AREA)
  • Blocking Light For Cameras (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Networks Using Active Elements (AREA)
  • Liquid Crystal Substances (AREA)
  • Eyeglasses (AREA)
DK081585A 1984-02-24 1985-02-22 Optisk filter til anvendelse som beskyttelsesglas ved svejsning DK163477C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8401003A SE464264B (sv) 1984-02-24 1984-02-24 Optiskt filter foer svetsskyddsglas
SE8401003 1984-02-24

Publications (4)

Publication Number Publication Date
DK81585D0 DK81585D0 (da) 1985-02-22
DK81585A DK81585A (da) 1985-08-25
DK163477B DK163477B (da) 1992-03-09
DK163477C true DK163477C (da) 1992-07-27

Family

ID=20354876

Family Applications (1)

Application Number Title Priority Date Filing Date
DK081585A DK163477C (da) 1984-02-24 1985-02-22 Optisk filter til anvendelse som beskyttelsesglas ved svejsning

Country Status (11)

Country Link
US (1) US4728173A (de)
EP (1) EP0157744B1 (de)
JP (1) JPS60227228A (de)
AT (1) ATE43728T1 (de)
AU (1) AU572962B2 (de)
CA (1) CA1268368A (de)
DE (1) DE3570770D1 (de)
DK (1) DK163477C (de)
FI (1) FI81688C (de)
NO (1) NO165858C (de)
SE (1) SE464264B (de)

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WO1993013449A1 (en) * 1991-12-26 1993-07-08 Osd Envizion Company Eye protection device for welding helmets and the like
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US5377032A (en) * 1993-02-05 1994-12-27 Osd Envizion Company Electro-optic light shutter and frame assembly with integrated switching mechanism
SI9300226A (en) * 1993-04-29 1994-12-31 Inst Jozef Stefan Process for automatic control of liquid-cristal light transparency modulator for velding goggles
SE502840C2 (sv) * 1993-05-10 1996-01-29 Optrel Ag Siktskyddsanordning
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US5857215A (en) * 1994-07-01 1999-01-12 Ilixco, Inc. Helmet with high performance head and face protection utilizing molded composite materials and method
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US7061462B1 (en) 1998-10-26 2006-06-13 Pir Hacek Over S Janez Driving scheme and electronic circuitry for the LCD electrooptical switching element
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US6690495B1 (en) * 2000-10-03 2004-02-10 Alphamicron, Inc. Device exhibiting photo-induced dichroism for adaptive anti-glare vision protection
WO2002082175A1 (fr) * 2001-04-06 2002-10-17 Sony Corporation Dispositif de commande de rayonnement lumineux et dispositif d'imagerie
US6881939B1 (en) 2001-05-05 2005-04-19 Jackson Products, Inc. Microprocessor based automatically dimmable eye protection device
US6841772B1 (en) 2001-05-05 2005-01-11 Jackson Products, Inc. Eye-protection device having dual high voltage switching
CH696021A5 (de) * 2002-09-23 2006-11-30 Optrel Ag Blendschutzvorrichtung.
US8545984B2 (en) * 2003-07-01 2013-10-01 Transitions Optical, Inc. Photochromic compounds and compositions
US8211338B2 (en) 2003-07-01 2012-07-03 Transitions Optical, Inc Photochromic compounds
US8545015B2 (en) 2003-07-01 2013-10-01 Transitions Optical, Inc. Polarizing photochromic articles
US7632540B2 (en) * 2003-07-01 2009-12-15 Transitions Optical, Inc. Alignment facilities for optical dyes
US8582192B2 (en) 2003-07-01 2013-11-12 Transitions Optical, Inc. Polarizing photochromic articles
US7256921B2 (en) * 2003-07-01 2007-08-14 Transitions Optical, Inc. Polarizing, photochromic devices and methods of making the same
US8518546B2 (en) * 2003-07-01 2013-08-27 Transitions Optical, Inc. Photochromic compounds and compositions
US9096014B2 (en) 2003-07-01 2015-08-04 Transitions Optical, Inc. Oriented polymeric sheets exhibiting dichroism and articles containing the same
US20110140056A1 (en) * 2003-07-01 2011-06-16 Transitions Optical, Inc. Indeno-fused ring compounds
US7342112B2 (en) * 2003-07-01 2008-03-11 Ppg Industries Ohio, Inc. Photochromic compounds
US7978391B2 (en) * 2004-05-17 2011-07-12 Transitions Optical, Inc. Polarizing, photochromic devices and methods of making the same
US8089678B2 (en) * 2003-07-01 2012-01-03 Transitions Optical, Inc Clear to circular polarizing photochromic devices and methods of making the same
US8698117B2 (en) 2003-07-01 2014-04-15 Transitions Optical, Inc. Indeno-fused ring compounds
WO2005017636A2 (en) 2003-08-11 2005-02-24 Hamilton Thomas J Eye-protection device having dual high voltage switching
US7097303B2 (en) * 2004-01-14 2006-08-29 Ppg Industries Ohio, Inc. Polarizing devices and methods of making the same
US7477330B2 (en) 2005-03-09 2009-01-13 3M Innovative Properties Company Automatic darkening filter with offset polarizers
US20060285330A1 (en) 2005-06-20 2006-12-21 Ingvar Sundell Automatic darkening filter with automatic power management
US7637622B2 (en) 2005-10-11 2009-12-29 3M Innovative Properties Company Control of an automatic darkening filter
BR112012024143A2 (pt) * 2010-03-26 2017-10-03 Nat Oilwell Varco Lp Protetor de cabeça, sistema de monitoração de protetor de cabeça, e, método para monitorar
GB2498726A (en) * 2012-01-25 2013-07-31 3M Innovative Properties Co Automatic welding filter with tunable spectral transmission
TW201504712A (zh) * 2013-07-19 2015-02-01 Pai-Fu Hung 即時太陽能感光自動調光安全鏡片裝置
EP3193797B1 (de) 2014-09-15 2022-05-25 3M Innovative Properties Company Persönliches schutzsystem mit werkzeugübertragungsadapter
CN204971846U (zh) * 2015-08-14 2016-01-20 宁波吉欧光电科技有限公司 一种自动变光面罩
US10866455B2 (en) 2017-10-19 2020-12-15 Ppg Industries Ohio, Inc. Display devices including photochromic-dichroic compounds and dichroic compounds

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Also Published As

Publication number Publication date
FI81688C (fi) 1990-11-12
JPH052127B2 (de) 1993-01-11
AU572962B2 (en) 1988-05-19
EP0157744B1 (de) 1989-05-31
DK163477B (da) 1992-03-09
FI81688B (fi) 1990-07-31
US4728173A (en) 1988-03-01
NO165858B (no) 1991-01-07
CA1268368A (en) 1990-05-01
DK81585A (da) 1985-08-25
DK81585D0 (da) 1985-02-22
SE8401003L (sv) 1985-08-25
AU3906885A (en) 1985-09-05
NO165858C (no) 1991-04-17
FI850748A0 (fi) 1985-02-22
DE3570770D1 (en) 1989-07-06
ATE43728T1 (de) 1989-06-15
FI850748L (fi) 1985-08-25
JPS60227228A (ja) 1985-11-12
NO850715L (no) 1985-08-26
SE464264B (sv) 1991-03-25
EP0157744A1 (de) 1985-10-09
SE8401003D0 (sv) 1984-02-24

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