FI850748L - Optiskt filter foer svetsskyddsglas. - Google Patents

Optiskt filter foer svetsskyddsglas.

Info

Publication number
FI850748L
FI850748L FI850748A FI850748A FI850748L FI 850748 L FI850748 L FI 850748L FI 850748 A FI850748 A FI 850748A FI 850748 A FI850748 A FI 850748A FI 850748 L FI850748 L FI 850748L
Authority
FI
Finland
Prior art keywords
filter
cells
svetsskyddsglas
optiskt
wave range
Prior art date
Application number
FI850748A
Other languages
English (en)
Other versions
FI81688B (fi
FI81688C (fi
FI850748A0 (fi
Inventor
Peter Toth
Original Assignee
Peter Toth
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 Peter Toth filed Critical Peter Toth
Publication of FI850748A0 publication Critical patent/FI850748A0/fi
Publication of FI850748L publication Critical patent/FI850748L/fi
Publication of FI81688B publication Critical patent/FI81688B/fi
Application granted granted Critical
Publication of FI81688C publication Critical patent/FI81688C/fi

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
FI850748A 1984-02-24 1985-02-22 Optiskt filter foer svetsskyddsglas. FI81688C (fi)

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
FI850748A0 FI850748A0 (fi) 1985-02-22
FI850748L true FI850748L (fi) 1985-08-25
FI81688B FI81688B (fi) 1990-07-31
FI81688C FI81688C (fi) 1990-11-12

Family

ID=20354876

Family Applications (1)

Application Number Title Priority Date Filing Date
FI850748A FI81688C (fi) 1984-02-24 1985-02-22 Optiskt filter foer svetsskyddsglas.

Country Status (11)

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

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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
FR2685102B1 (fr) * 1991-12-17 1994-04-15 Asulab Sa Dispositif electro-optique a transparence variable.
JPH06504146A (ja) * 1991-11-05 1994-05-12 アスラブ　ソシエテ　アノニム 可変透明度の電気光学的装置
US5608567A (en) * 1991-11-05 1997-03-04 Asulab S.A. Variable transparency electro-optical device
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.
CH688292A5 (de) * 1993-06-16 1997-07-15 Xelux Holding Ag Blendschutzvorrichtung.
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
US6087626A (en) * 1998-02-17 2000-07-11 Illinois Tool Works Inc. Method and apparatus for welding
US20020113464A1 (en) * 1998-06-18 2002-08-22 Alusuisse 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
US6876412B2 (en) * 2001-04-06 2005-04-05 Sony Corporation Guest-host liquid crystal element with removable polarizer
US6841772B1 (en) 2001-05-05 2005-01-11 Jackson Products, Inc. Eye-protection device having dual high voltage switching
US6881939B1 (en) 2001-05-05 2005-04-19 Jackson Products, Inc. Microprocessor based automatically dimmable eye protection device
CH696021A5 (de) * 2002-09-23 2006-11-30 Optrel Ag Blendschutzvorrichtung.
US8698117B2 (en) 2003-07-01 2014-04-15 Transitions Optical, Inc. Indeno-fused ring compounds
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
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
US8089678B2 (en) * 2003-07-01 2012-01-03 Transitions Optical, Inc Clear to circular polarizing photochromic devices and methods of making the same
US8211338B2 (en) 2003-07-01 2012-07-03 Transitions Optical, Inc Photochromic compounds
US8582192B2 (en) 2003-07-01 2013-11-12 Transitions Optical, Inc. Polarizing photochromic articles
US7342112B2 (en) * 2003-07-01 2008-03-11 Ppg Industries Ohio, Inc. Photochromic compounds
US8545984B2 (en) * 2003-07-01 2013-10-01 Transitions Optical, Inc. Photochromic compounds and compositions
US7256921B2 (en) 2003-07-01 2007-08-14 Transitions Optical, Inc. Polarizing, photochromic devices and methods of making the same
US20110140056A1 (en) * 2003-07-01 2011-06-16 Transitions Optical, Inc. Indeno-fused ring compounds
US8545015B2 (en) 2003-07-01 2013-10-01 Transitions Optical, Inc. Polarizing photochromic articles
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
WO2011119966A2 (en) * 2010-03-26 2011-09-29 National Oil Well Varco, L.P. Headgear and method of using same
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
KR102369408B1 (ko) 2014-09-15 2022-03-02 쓰리엠 이노베이티브 프로퍼티즈 캄파니 개인용 보호 시스템 공구 통신 어댑터
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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US3575491A (en) * 1968-10-16 1971-04-20 Rca Corp Decreasing response time of liquid crystals
US3703329A (en) * 1969-12-29 1972-11-21 Rca Corp Liquid crystal color display
US3612666A (en) * 1970-07-13 1971-10-12 Libman Max L Electrically controlled rearview mirror employing self-contained power supply and motion-actuated power switch
US3781465A (en) * 1972-03-08 1973-12-25 Hughes Aircraft Co Field sequential color television systems
CA1021078A (en) * 1972-09-19 1977-11-15 Sharp Kabushiki Kaisha Drive system for liquid crystal display units
US3967881A (en) * 1974-04-04 1976-07-06 Matsushita Electric Industrial Co., Ltd. Liquid crystal display
DE7538264U (de) * 1974-12-02 1977-09-22 Revue Thommen Ag, Waldenburg (Schweiz) Lichtschutzfilter
US4039254A (en) * 1976-05-27 1977-08-02 Mack Gordon Electro-optic welding lens assembly using multiple liquid crystal light shutters and polarizers
JPS53101296A (en) * 1977-02-16 1978-09-04 Seiko Epson Corp Display unit
GB1602662A (en) * 1977-04-11 1981-11-11 Minnesota Mining & Mfg Pleochroic dyes of diaminoanthraquinone and alky or alkoxy benzaldehyde and electro-optical displays therewith
SE425048B (sv) * 1978-04-24 1982-08-30 Ake Hornell Flerskiktsglas, serskilt skyddsglas i en svetsskerm
JPS5592276A (en) * 1978-12-28 1980-07-12 Susumu Nishikawa Protector for arc welding
JPS5713429A (en) * 1980-06-28 1982-01-23 Hosiden Electronics Co Ltd Liquid crystal display element
GB2110863B (en) * 1981-12-01 1985-10-02 Standard Telephones Cables Ltd Liquid crystal display devices
DE3276596D1 (en) * 1982-04-14 1987-07-23 Eggenschwiler Andre M Protective light filter, in particular for protective shields or welding glasses
ATE34468T1 (de) * 1982-06-29 1988-06-15 Secr Defence Brit Fluessigkristrall-vorrichtungen.
GB2129954B (en) * 1982-10-22 1986-03-05 Stc Plc Liquid crystal display device
DE3244248A1 (de) * 1982-11-30 1984-05-30 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur reduzierung der resttransmission bei lcd-anzeigen
JPS59111102A (ja) * 1982-12-16 1984-06-27 Nippon Denso Co Ltd 防眩型反射鏡
US4527864A (en) * 1983-03-29 1985-07-09 Xerox Corporation High contrast liquid crystal display devices

Also Published As

Publication number Publication date
CA1268368A (en) 1990-05-01
NO165858B (no) 1991-01-07
NO165858C (no) 1991-04-17
DK81585D0 (da) 1985-02-22
DK163477C (da) 1992-07-27
DK81585A (da) 1985-08-25
ATE43728T1 (de) 1989-06-15
DE3570770D1 (en) 1989-07-06
AU572962B2 (en) 1988-05-19
US4728173A (en) 1988-03-01
FI81688B (fi) 1990-07-31
AU3906885A (en) 1985-09-05
FI81688C (fi) 1990-11-12
SE464264B (sv) 1991-03-25
SE8401003L (sv) 1985-08-25
EP0157744B1 (en) 1989-05-31
JPS60227228A (ja) 1985-11-12
NO850715L (no) 1985-08-26
JPH052127B2 (fi) 1993-01-11
FI850748A0 (fi) 1985-02-22
SE8401003D0 (sv) 1984-02-24
EP0157744A1 (en) 1985-10-09
DK163477B (da) 1992-03-09

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Legal Events

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MM Patent lapsed
MM Patent lapsed

Owner name: ESAB AKTIEBOLAG