FR2178052B1 - - Google Patents

Info

Publication number
FR2178052B1
FR2178052B1 FR7310949A FR7310949A FR2178052B1 FR 2178052 B1 FR2178052 B1 FR 2178052B1 FR 7310949 A FR7310949 A FR 7310949A FR 7310949 A FR7310949 A FR 7310949A FR 2178052 B1 FR2178052 B1 FR 2178052B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7310949A
Other languages
French (fr)
Other versions
FR2178052A1 (th
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AGA AB
Original Assignee
AGA 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 AGA AB filed Critical AGA AB
Publication of FR2178052A1 publication Critical patent/FR2178052A1/fr
Application granted granted Critical
Publication of FR2178052B1 publication Critical patent/FR2178052B1/fr
Expired legal-status Critical Current

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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Ophthalmology & Optometry (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Liquid Crystal (AREA)
  • Eyeglasses (AREA)
  • Prostheses (AREA)
  • Control Of Non-Electrical Variables (AREA)
FR7310949A 1972-03-27 1973-03-27 Expired FR2178052B1 (th)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE391672 1972-03-27

Publications (2)

Publication Number Publication Date
FR2178052A1 FR2178052A1 (th) 1973-11-09
FR2178052B1 true FR2178052B1 (th) 1977-09-23

Family

ID=20263132

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7310949A Expired FR2178052B1 (th) 1972-03-27 1973-03-27

Country Status (7)

Country Link
JP (1) JPS498431A (th)
DE (1) DE2315308C3 (th)
DK (1) DK132046C (th)
FR (1) FR2178052B1 (th)
GB (1) GB1430183A (th)
IT (1) IT981615B (th)
NL (1) NL7304253A (th)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE29684E (en) * 1973-12-26 1978-06-27 Welding helmet with eye piece control
DE2550559C3 (de) * 1975-11-11 1981-07-16 Technisch Bureau A.B.O.F. 1972 B.V., 6545 Nijmegen Schutzvorrichtung, für Arbeiten in Bereichen stark schwankender Lichtintensität
US4039803A (en) * 1976-04-08 1977-08-02 Mack Gordon Electro-optic welding helmet lens assembly
JPS538340A (en) * 1976-07-12 1978-01-25 Tomio Makino Automatic highhspeed shuttering plane for ultraviolet ray of welding arc
JPS553261A (en) * 1978-06-22 1980-01-11 Clarion Co Ltd Automatic sound volume adjusting device
DE3277983D1 (en) * 1981-03-02 1988-02-18 Ici Plc Method of and apparatus for monitoring gaseous pollutants
EP0091514B1 (de) * 1982-04-14 1987-06-16 André M. Eggenschwiler Lichtschutzfilter, insbesondere für Schweissschutzschilder oder Schweissschutzbrillen
FR2530039A1 (fr) * 1982-07-06 1984-01-13 Cuvelier Antoine Lunettes de protection a transmission reglable automatiquement utilisant des cristaux liquides
HUH3092A (en) * 1982-08-25 1986-08-28 Sandor Bihary Method and device for observing light phenomenons
AU2538684A (en) * 1983-02-24 1984-08-30 Commonwealth Industrial Gases Limited, The Light filter
US4759608A (en) * 1985-12-31 1988-07-26 Yang Jong P Automatic liquid crystal light-shutter
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
DE4128291A1 (de) * 1991-08-27 1993-03-04 Optrel Ag Lichtschutzfilter, mit einem bezueglich seiner optischen transmission elektrisch steuerbaren filterelement
DE4136588C2 (de) * 1991-11-07 1993-11-18 Deutsche Aerospace Vorrichtung zum Schutz gegen überhöhte optische Leistungs- und Energiedichten
DE4327051A1 (de) * 1993-08-12 1994-05-19 Peter Schulthess Programmierbare elektronische Okklusionsbrille
US6815652B1 (en) 2000-09-11 2004-11-09 Jackson Products, Inc. Low power phototransistor-based welding helmet providing reduced sensitivity to low intensity light and sharp phototransistor response to high intensity light
US7005624B2 (en) 2000-09-11 2006-02-28 Jackson Products, Inc. Low power phototransistor-based welding helmet providing reduced sensitivity to low intensity light and sharp phototransistor response to high intensity light
JP2002144044A (ja) * 2000-11-09 2002-05-21 Three M Innovative Properties Co 溶接用液晶防護面
US6934967B2 (en) 2000-11-09 2005-08-30 3M Innovative Properties Company Welding operation liquid crystal protection mask
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
US7026593B2 (en) 2003-08-11 2006-04-11 Jackson Products, Inc. Eye-protection device having dual high voltage switching
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
ES2312284B1 (es) 2007-10-26 2010-01-08 Universidad Complutense De Madrid Gafas de seguridad y prevencion con superficie tratada para la proteccion y terapia de ojos en oficios y deportes.
WO2016044071A1 (en) 2014-09-15 2016-03-24 3M Innovative Properties Company Personal protective system tool communication adapter

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE666410C (de) * 1936-07-21 1938-10-19 Kerzler & Dittelbach Elektrote Einrichtung zum Abblenden von Licht mit Hilfe lichtpolarisierender Glaeser, vorzugsweise beim Schweissen
GB909342A (en) * 1958-02-03 1962-10-31 Eastman Kodak Co Improvements in or relating to a device for controlling light transmission or reflection

Also Published As

Publication number Publication date
DE2315308B2 (de) 1974-04-04
FR2178052A1 (th) 1973-11-09
DE2315308C3 (de) 1978-11-16
GB1430183A (en) 1976-03-31
DK132046B (da) 1975-10-13
IT981615B (it) 1974-10-10
DE2315308A1 (de) 1973-10-11
NL7304253A (th) 1973-10-01
JPS498431A (th) 1974-01-25
DK132046C (da) 1976-03-29

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Legal Events

Date Code Title Description
ST Notification of lapse