NO923212L - Lysfilter med et filterelement hvis optiske transmisjon styres elektrisk - Google Patents

Lysfilter med et filterelement hvis optiske transmisjon styres elektrisk

Info

Publication number
NO923212L
NO923212L NO92923212A NO923212A NO923212L NO 923212 L NO923212 L NO 923212L NO 92923212 A NO92923212 A NO 92923212A NO 923212 A NO923212 A NO 923212A NO 923212 L NO923212 L NO 923212L
Authority
NO
Norway
Prior art keywords
optical transmission
electrically controlled
filter
filter element
light filter
Prior art date
Application number
NO92923212A
Other languages
English (en)
Other versions
NO923212D0 (no
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 NO923212D0 publication Critical patent/NO923212D0/no
Publication of NO923212L publication Critical patent/NO923212L/no

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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Ophthalmology & Optometry (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)
NO92923212A 1991-08-27 1992-08-17 Lysfilter med et filterelement hvis optiske transmisjon styres elektrisk NO923212L (no)

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
NO923212D0 NO923212D0 (no) 1992-08-17
NO923212L true NO923212L (no) 1993-03-01

Family

ID=25683383

Family Applications (1)

Application Number Title Priority Date Filing Date
NO92923212A NO923212L (no) 1991-08-27 1992-08-17 Lysfilter med et filterelement hvis optiske transmisjon styres elektrisk

Country Status (8)

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

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.
JPH10506481A (ja) * 1994-10-04 1998-06-23 オプトレル、アクチェンゲゼルシャフト 電気光学的フィルタカートリッジおよびその製造方法
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.
US7150047B2 (en) 2003-07-02 2006-12-19 Lightswitch Safety Systems, Inc. Indicator layout on an auto-darkening lens for use in welding
WO2005002480A1 (en) 2003-07-03 2005-01-13 Lightswitch Safety Systems, Inc. Multi-stage sensor for an auto-darkening lens for use in welding and method
US7501613B2 (en) 2003-07-08 2009-03-10 Lightswitch Safety Systems, Inc. Light detecting and angle of view compensation for optical devices and method
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
EP0536081A1 (de) 1993-04-07
FI923822A0 (fi) 1992-08-26
NO923212D0 (no) 1992-08-17
JP3274889B2 (ja) 2002-04-15
CA2076777A1 (en) 1993-02-28
BR9203364A (pt) 1993-04-06
IL102956A0 (en) 1993-01-31
KR930003882A (ko) 1993-03-22
JPH05208297A (ja) 1993-08-20
FI923822A (fi) 1993-02-28
IL102956A (en) 1995-01-24

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