NL7304253A - - Google Patents

Info

Publication number
NL7304253A
NL7304253A NL7304253A NL7304253A NL7304253A NL 7304253 A NL7304253 A NL 7304253A NL 7304253 A NL7304253 A NL 7304253A NL 7304253 A NL7304253 A NL 7304253A NL 7304253 A NL7304253 A NL 7304253A
Authority
NL
Netherlands
Application number
NL7304253A
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 filed Critical
Publication of NL7304253A publication Critical patent/NL7304253A/xx

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)
NL7304253A 1972-03-27 1973-03-27 NL7304253A ( )

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL7304253A true NL7304253A ( ) 1973-10-01

Family

ID=20263132

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7304253A NL7304253A ( ) 1972-03-27 1973-03-27

Country Status (7)

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

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
EP0059593B1 (en) * 1981-03-02 1988-01-13 Imperial Chemical Industries 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
US5252817A (en) * 1991-03-25 1993-10-12 Osd Envizion Company Detector system for detecting the occurrence of welding using detector feedback
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
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
US6934967B2 (en) 2000-11-09 2005-08-30 3M Innovative Properties Company Welding operation liquid crystal protection mask
JP2002144044A (ja) * 2000-11-09 2002-05-21 Three M Innovative Properties Co 溶接用液晶防護面
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
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.
KR102369408B1 (ko) 2014-09-15 2022-03-02 쓰리엠 이노베이티브 프로퍼티즈 캄파니 개인용 보호 시스템 공구 통신 어댑터

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
FR2178052A1 ( ) 1973-11-09
GB1430183A (en) 1976-03-31
DK132046B (da) 1975-10-13
IT981615B (it) 1974-10-10
DK132046C (da) 1976-03-29
FR2178052B1 ( ) 1977-09-23
JPS498431A ( ) 1974-01-25
DE2315308C3 (de) 1978-11-16
DE2315308A1 (de) 1973-10-11
DE2315308B2 (de) 1974-04-04

Similar Documents

Publication Publication Date Title
FR2178052B1 ( )
JPS4933549U ( )
FR2200371B1 ( )
JPS538843B2 ( )
JPS4996089U ( )
JPS4927803U ( )
JPS4919406U ( )
JPS4990254U ( )
FR2196270B1 ( )
JPS523148Y2 ( )
JPS5343479Y2 ( )
JPS523776B2 ( )
HU163480B ( )
JPS4910689U ( )
JPS4911853U ( )
CS156885B1 ( )
CS153883B1 ( )
JPS4964912U ( )
JPS4991958U ( )
CH567672A5 ( )
CH563546A5 ( )
CH591539A5 ( )
CH568100A5 ( )
CH567668A5 ( )
CH566475A5 ( )

Legal Events

Date Code Title Description
BV The patent application has lapsed