FI923822A0 - Ljusskyddfilter med ett med avseende pao sin optiska transmission styrbart filterelement. - Google Patents

Ljusskyddfilter med ett med avseende pao sin optiska transmission styrbart filterelement.

Info

Publication number
FI923822A0
FI923822A0 FI923822A FI923822A FI923822A0 FI 923822 A0 FI923822 A0 FI 923822A0 FI 923822 A FI923822 A FI 923822A FI 923822 A FI923822 A FI 923822A FI 923822 A0 FI923822 A0 FI 923822A0
Authority
FI
Finland
Prior art keywords
med
styrbart
optiska
ljusskyddfilter
filterelement
Prior art date
Application number
FI923822A
Other languages
English (en)
Other versions
FI923822A (fi
Inventor
Andre M Eggenschwiler
Original Assignee
Optrel Ag
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
Priority claimed from DE4128291A external-priority patent/DE4128291A1/de
Application filed by Optrel Ag filed Critical Optrel Ag
Publication of FI923822A0 publication Critical patent/FI923822A0/fi
Publication of FI923822A publication Critical patent/FI923822A/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
    • 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

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)
  • Optical Elements Other Than Lenses (AREA)
  • Optical Couplings Of Light Guides (AREA)
FI923822A 1991-08-27 1992-08-26 Ljusskyddfilter med ett med avseende pao sin optiska transmission styrbart filterelement FI923822A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4128291A DE4128291A1 (de) 1991-08-27 1991-08-27 Lichtschutzfilter, mit einem bezueglich seiner optischen transmission elektrisch steuerbaren filterelement
CH5792 1992-01-10

Publications (2)

Publication Number Publication Date
FI923822A0 true FI923822A0 (fi) 1992-08-26
FI923822A FI923822A (fi) 1993-02-28

Family

ID=25683383

Family Applications (1)

Application Number Title Priority Date Filing Date
FI923822A FI923822A (fi) 1991-08-27 1992-08-26 Ljusskyddfilter med ett med avseende pao sin optiska transmission styrbart filterelement

Country Status (8)

Country Link
EP (1) EP0536081A1 (fi)
JP (1) JP3274889B2 (fi)
KR (1) KR930003882A (fi)
BR (1) BR9203364A (fi)
CA (1) CA2076777A1 (fi)
FI (1) FI923822A (fi)
IL (1) IL102956A (fi)
NO (1) NO923212L (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH686214A5 (de) * 1994-04-22 1996-02-15 Xelux Holding Ag Blendschutzvorrichtung.
DE69415178T2 (de) * 1994-10-04 1999-04-29 Optrel Ag Elektrooptische filterkassette und dessen herstellungsverfahren
SG79885A1 (en) * 1994-10-04 2001-04-17 Optrel Ag Electrooptical filter cartridge and a method for manufacturing the same
CH694318A5 (de) * 1998-12-29 2004-11-30 Sellstrom Mfg Company Gesichtsschutz.
WO2005002481A1 (en) 2003-07-02 2005-01-13 Lightswitch Safety Systems, Inc. Indicator layout on an auto-darkening lens for use in welding
US7161135B2 (en) 2003-07-03 2007-01-09 Lightswitch Safety Systems, Inc. Multi-stage sensor for an auto-darkening lens for use in welding and method
WO2005008275A1 (en) 2003-07-08 2005-01-27 Lightswitch Safety Systems, Inc. Method and element for light detecting and angle of view compensation for optical devices
KR100665493B1 (ko) * 2006-02-03 2007-01-09 이동헌 자동차광 용접면과 유해가스 배기 구조를 갖는 용접용 헬멧

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1214121A (fr) * 1957-10-24 1960-04-06 Perfectionnements apportés aux photomètres, notamment pour la photographie, la cinématographie et la télévision
US3134021A (en) * 1959-08-01 1964-05-19 Zeiss Ikon Ag Photoelectric exposure meters with light ray limiters
GB2122366B (en) * 1982-06-03 1985-11-27 Tong Shen Hsieh Automatic liquid-crystal light shutter
DE4118208A1 (de) * 1991-06-04 1991-11-07 Veit Dr Thomas Richtungsabhaengige abblendautomatik

Also Published As

Publication number Publication date
BR9203364A (pt) 1993-04-06
JP3274889B2 (ja) 2002-04-15
KR930003882A (ko) 1993-03-22
JPH05208297A (ja) 1993-08-20
CA2076777A1 (en) 1993-02-28
IL102956A0 (en) 1993-01-31
NO923212L (no) 1993-03-01
IL102956A (en) 1995-01-24
EP0536081A1 (de) 1993-04-07
NO923212D0 (no) 1992-08-17
FI923822A (fi) 1993-02-28

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Legal Events

Date Code Title Description
FD Application lapsed