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
English (en)
Other versions
DK81585D0 (da
DK163477B (da
DK81585A (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)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Mathematical Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Liquid Crystal (AREA)
  • Optical Filters (AREA)
  • Glass Compositions (AREA)
  • Blocking Light For Cameras (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Filtering Materials (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
SE8401003 1984-02-24
SE8401003A SE464264B (sv) 1984-02-24 1984-02-24 Optiskt filter foer svetsskyddsglas

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 (da)
EP (1) EP0157744B1 (da)
JP (1) JPS60227228A (da)
AT (1) ATE43728T1 (da)
AU (1) AU572962B2 (da)
CA (1) CA1268368A (da)
DE (1) DE3570770D1 (da)
DK (1) DK163477C (da)
FI (1) FI81688C (da)
NO (1) NO165858C (da)
SE (1) SE464264B (da)

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US5751258A (en) * 1991-03-25 1998-05-12 Osd Envizion, Inc. Liquid crystal lens driver electronics for eye protection, high speed shuttering with consistent performance
FR2685102B1 (fr) * 1991-12-17 1994-04-15 Asulab Sa Dispositif electro-optique a transparence variable.
US5608567A (en) * 1991-11-05 1997-03-04 Asulab S.A. Variable transparency electro-optical device
WO1993008774A1 (fr) * 1991-11-05 1993-05-13 Asulab S.A. Dispositif electro-optique a transparence variable
WO1993013449A1 (en) * 1991-12-26 1993-07-08 Osd Envizion Company Eye protection device for welding helmets and the like
US5880793A (en) * 1992-07-13 1999-03-09 Xelux Ag Glare protection device
JPH06102415A (ja) * 1992-09-24 1994-04-15 Keiwa Shoko Kk 集光板
JPH06174932A (ja) * 1992-12-04 1994-06-24 Ohtsu Tire & Rubber Co Ltd :The 導光板装置
US5377032A (en) * 1993-02-05 1994-12-27 Osd Envizion Company Electro-optic light shutter and frame assembly with integrated switching mechanism
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SE502840C2 (sv) * 1993-05-10 1996-01-29 Optrel Ag Siktskyddsanordning
CH687809A5 (de) * 1993-05-14 1997-02-28 Xelux Holding Ag Blendschutzvorrichtung.
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US5519522A (en) * 1993-08-11 1996-05-21 Fergason; Jeffrey K. Eye protection device for welding helmets and the like with hot mirror and indium tin oxide layer
US5749096A (en) * 1994-07-01 1998-05-12 Ilixco, Inc. Helmet with high performance head and face protection utilizing complementary materials
US5857215A (en) * 1994-07-01 1999-01-12 Ilixco, Inc. Helmet with high performance head and face protection utilizing molded composite materials and method
SE516183C2 (sv) * 1995-10-26 2001-11-26 Hoernell Internat Ab Vätskekristallslutare
IL118517A (en) * 1996-05-31 2000-08-31 Israel Atomic Energy Comm Method and device for protection from pulsed radiation
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EP1131669B1 (en) 1998-10-26 2004-05-19 Pirs, Janez Driving scheme and electronic circuitry for a lcd electro-optical 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
CN100533240C (zh) * 2001-04-06 2009-08-26 索尼公司 光控制装置和成像装置
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.
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
US8698117B2 (en) 2003-07-01 2014-04-15 Transitions Optical, Inc. Indeno-fused ring compounds
US8582192B2 (en) 2003-07-01 2013-11-12 Transitions Optical, Inc. Polarizing photochromic articles
US9096014B2 (en) 2003-07-01 2015-08-04 Transitions Optical, Inc. Oriented polymeric sheets exhibiting dichroism and articles containing the same
US8545984B2 (en) * 2003-07-01 2013-10-01 Transitions Optical, Inc. Photochromic compounds and compositions
US8518546B2 (en) * 2003-07-01 2013-08-27 Transitions Optical, Inc. Photochromic compounds and compositions
US7342112B2 (en) * 2003-07-01 2008-03-11 Ppg Industries Ohio, Inc. Photochromic compounds
US20110140056A1 (en) * 2003-07-01 2011-06-16 Transitions Optical, Inc. Indeno-fused ring compounds
US8089678B2 (en) * 2003-07-01 2012-01-03 Transitions Optical, Inc Clear to circular polarizing photochromic devices and methods of making the same
US7632540B2 (en) 2003-07-01 2009-12-15 Transitions Optical, Inc. Alignment facilities for optical dyes
US7978391B2 (en) * 2004-05-17 2011-07-12 Transitions Optical, Inc. Polarizing, photochromic devices and methods of making the same
US7256921B2 (en) 2003-07-01 2007-08-14 Transitions Optical, Inc. Polarizing, photochromic devices and methods of making the same
US7026593B2 (en) 2003-08-11 2006-04-11 Jackson Products, Inc. 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
EP2552267A4 (en) * 2010-03-26 2014-07-09 Nat Oilwell Varco Lp HAIRSTYLE, AND METHOD OF USE THEREOF
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
WO2016044071A1 (en) 2014-09-15 2016-03-24 3M Innovative Properties Company Personal protective system tool communication adapter
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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DE2553976A1 (de) * 1974-12-02 1976-06-16 Hermann Budmiger Lichtschutzfilter
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FR2387271A1 (fr) * 1977-04-11 1978-11-10 Minnesota Mining & Mfg Colorants pleochroiques et dispositifs d'affichage electro-optique les utilisant
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Also Published As

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

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