SE464264B - Optiskt filter foer svetsskyddsglas - Google Patents

Optiskt filter foer svetsskyddsglas

Info

Publication number
SE464264B
SE464264B SE8401003A SE8401003A SE464264B SE 464264 B SE464264 B SE 464264B SE 8401003 A SE8401003 A SE 8401003A SE 8401003 A SE8401003 A SE 8401003A SE 464264 B SE464264 B SE 464264B
Authority
SE
Sweden
Prior art keywords
cell
light
filter
voltage
cells
Prior art date
Application number
SE8401003A
Other languages
English (en)
Swedish (sv)
Other versions
SE8401003D0 (sv
SE8401003L (sv
Inventor
P 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
Publication of SE8401003D0 publication Critical patent/SE8401003D0/xx
Priority to SE8401003A priority Critical patent/SE464264B/sv
Application filed by Esab Ab filed Critical Esab Ab
Priority to CA000474604A priority patent/CA1268368A/en
Priority to DE8585850057T priority patent/DE3570770D1/de
Priority to AT85850057T priority patent/ATE43728T1/de
Priority to EP85850057A priority patent/EP0157744B1/de
Priority to DK081585A priority patent/DK163477C/da
Priority to FI850748A priority patent/FI81688C/fi
Priority to US06/704,189 priority patent/US4728173A/en
Priority to JP60032991A priority patent/JPS60227228A/ja
Priority to NO850715A priority patent/NO165858C/no
Priority to AU39068/85A priority patent/AU572962B2/en
Publication of SE8401003L publication Critical patent/SE8401003L/
Publication of SE464264B publication Critical patent/SE464264B/sv

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)
SE8401003A 1984-02-24 1984-02-24 Optiskt filter foer svetsskyddsglas SE464264B (sv)

Priority Applications (11)

Application Number Priority Date Filing Date Title
SE8401003A SE464264B (sv) 1984-02-24 1984-02-24 Optiskt filter foer svetsskyddsglas
CA000474604A CA1268368A (en) 1984-02-24 1985-02-19 Optical filter for protective welding lens assemblies
DE8585850057T DE3570770D1 (en) 1984-02-24 1985-02-21 Optical filter for protective welding lens assemblies
AT85850057T ATE43728T1 (de) 1984-02-24 1985-02-21 Optische filter fuer schweissschutzlinsenanordnungen.
EP85850057A EP0157744B1 (de) 1984-02-24 1985-02-21 Optische Filter für Schweissschutzlinsenanordnungen
DK081585A DK163477C (da) 1984-02-24 1985-02-22 Optisk filter til anvendelse som beskyttelsesglas ved svejsning
AU39068/85A AU572962B2 (en) 1984-02-24 1985-02-22 Optical filter for protective welding lens assemblies
FI850748A FI81688C (fi) 1984-02-24 1985-02-22 Optiskt filter foer svetsskyddsglas.
US06/704,189 US4728173A (en) 1984-02-24 1985-02-22 Optical filter for protective welding lens assemblies
JP60032991A JPS60227228A (ja) 1984-02-24 1985-02-22 溶接用保護レンズ組立体の光学フイルタ
NO850715A NO165858C (no) 1984-02-24 1985-02-22 Optisk filter for sveisebeskyttelsesglass.

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
SE8401003D0 SE8401003D0 (sv) 1984-02-24
SE8401003L SE8401003L (sv) 1985-08-25
SE464264B true SE464264B (sv) 1991-03-25

Family

ID=20354876

Family Applications (1)

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

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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GB2200490A (en) * 1986-12-18 1988-08-03 Lucas Ind Plc LCD devices
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US5347383A (en) * 1989-06-12 1994-09-13 Osd Envizion Company High speed, low power driving circuit for liquid crystal shutter
US5074647A (en) * 1989-12-07 1991-12-24 Optical Shields, Inc. Liquid crystal lens assembly for eye protection
US5208688A (en) * 1991-02-08 1993-05-04 Osd Envizion Company Eye protection device for welding helmets
US5248880A (en) * 1991-03-25 1993-09-28 Osd Envizion Company Detector system for detecting the occurrence of welding
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
US5252817A (en) * 1991-03-25 1993-10-12 Osd Envizion Company Detector system for detecting the occurrence of welding using detector feedback
US5608567A (en) * 1991-11-05 1997-03-04 Asulab S.A. Variable transparency electro-optical device
BR9205510A (pt) * 1991-11-05 1994-04-26 Asulab Sa Dispositivo electro-óptico de transparência variável, e dispositivo para proteger os olhos
FR2685102B1 (fr) * 1991-12-17 1994-04-15 Asulab Sa 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
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
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
US5857215A (en) * 1994-07-01 1999-01-12 Ilixco, Inc. Helmet with high performance head and face protection utilizing molded composite materials and method
US5749096A (en) * 1994-07-01 1998-05-12 Ilixco, Inc. Helmet with high performance head and face protection utilizing complementary materials
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
US6087626A (en) * 1998-02-17 2000-07-11 Illinois Tool Works Inc. Method and apparatus for welding
US6623068B2 (en) * 1998-06-18 2003-09-23 Alcan Technology & Management Ag Roof unit and basic structure of a road-bound vehicle
US7061462B1 (en) 1998-10-26 2006-06-13 Pir Hacek Over S Janez Driving scheme and electronic circuitry for the LCD electrooptical switching element
AUPQ860500A0 (en) * 2000-07-05 2000-07-27 O'connell, Dennis James Aids for welding or cutting
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.
US8089678B2 (en) * 2003-07-01 2012-01-03 Transitions Optical, Inc Clear to circular polarizing photochromic devices and methods of making the same
US8545984B2 (en) * 2003-07-01 2013-10-01 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
US8698117B2 (en) 2003-07-01 2014-04-15 Transitions Optical, Inc. Indeno-fused ring compounds
US8211338B2 (en) 2003-07-01 2012-07-03 Transitions Optical, Inc Photochromic compounds
US7256921B2 (en) * 2003-07-01 2007-08-14 Transitions Optical, Inc. Polarizing, photochromic devices and methods of making the same
US8582192B2 (en) 2003-07-01 2013-11-12 Transitions Optical, Inc. Polarizing photochromic articles
US20110140056A1 (en) * 2003-07-01 2011-06-16 Transitions Optical, Inc. Indeno-fused ring compounds
US7632540B2 (en) 2003-07-01 2009-12-15 Transitions Optical, Inc. Alignment facilities for optical dyes
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
US7978391B2 (en) * 2004-05-17 2011-07-12 Transitions Optical, Inc. Polarizing, photochromic devices and methods of making the same
US8545015B2 (en) 2003-07-01 2013-10-01 Transitions Optical, Inc. Polarizing photochromic articles
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 (de) * 2010-03-26 2014-07-09 Nat Oilwell Varco Lp Kopfbedeckung und verfahren zu deren verwendung
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
US9956118B2 (en) 2014-09-15 2018-05-01 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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Also Published As

Publication number Publication date
CA1268368A (en) 1990-05-01
SE8401003D0 (sv) 1984-02-24
DK163477C (da) 1992-07-27
FI81688C (fi) 1990-11-12
FI850748L (fi) 1985-08-25
DE3570770D1 (en) 1989-07-06
AU572962B2 (en) 1988-05-19
EP0157744A1 (de) 1985-10-09
JPS60227228A (ja) 1985-11-12
DK163477B (da) 1992-03-09
US4728173A (en) 1988-03-01
AU3906885A (en) 1985-09-05
NO850715L (no) 1985-08-26
NO165858B (no) 1991-01-07
FI81688B (fi) 1990-07-31
JPH052127B2 (de) 1993-01-11
NO165858C (no) 1991-04-17
FI850748A0 (fi) 1985-02-22
DK81585A (da) 1985-08-25
EP0157744B1 (de) 1989-05-31
DK81585D0 (da) 1985-02-22
ATE43728T1 (de) 1989-06-15
SE8401003L (sv) 1985-08-25

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