CH594403A5 - Light filter for welding goggles visor - Google Patents

Light filter for welding goggles visor

Info

Publication number
CH594403A5
CH594403A5 CH926575A CH926575A CH594403A5 CH 594403 A5 CH594403 A5 CH 594403A5 CH 926575 A CH926575 A CH 926575A CH 926575 A CH926575 A CH 926575A CH 594403 A5 CH594403 A5 CH 594403A5
Authority
CH
Switzerland
Prior art keywords
ceramic
ceramic cell
eye protection
protection screen
screen according
Prior art date
Application number
CH926575A
Other languages
German (de)
English (en)
Inventor
Hermann Budmiger
Original Assignee
Thommen Revue 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
Application filed by Thommen Revue Ag filed Critical Thommen Revue Ag
Priority to CH926575A priority Critical patent/CH594403A5/de
Priority to DE19752553976 priority patent/DE2553976A1/de
Priority to DE7538264U priority patent/DE7538264U/de
Priority to US05/637,000 priority patent/US4071912A/en
Priority to FR7536849A priority patent/FR2293188A1/fr
Priority to IT7001375A priority patent/IT1055712B/it
Publication of CH594403A5 publication Critical patent/CH594403A5/de

Links

Classifications

    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • 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
    • A61F9/02—Goggles
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/281—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for attenuating light intensity, e.g. comprising rotatable polarising elements
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/101—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having an electro-optical light valve
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/12—Polarisers
    • 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 
    • G02F1/03—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 ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/05—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 ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect with ferro-electric properties

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Mathematical Physics (AREA)
  • Ceramic Engineering (AREA)
  • Liquid Crystal (AREA)
CH926575A 1974-12-02 1975-07-14 Light filter for welding goggles visor CH594403A5 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH926575A CH594403A5 (en) 1975-07-14 1975-07-14 Light filter for welding goggles visor
DE19752553976 DE2553976A1 (de) 1974-12-02 1975-12-01 Lichtschutzfilter
DE7538264U DE7538264U (de) 1974-12-02 1975-12-01 Lichtschutzfilter
US05/637,000 US4071912A (en) 1974-12-02 1975-12-02 Light filter for welder's mask
FR7536849A FR2293188A1 (fr) 1974-12-02 1975-12-02 Filtre protecteur contre la lumiere notamment pour le soudage
IT7001375A IT1055712B (it) 1975-07-14 1975-12-09 Filtro di protezione contro la luce

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH926575A CH594403A5 (en) 1975-07-14 1975-07-14 Light filter for welding goggles visor

Publications (1)

Publication Number Publication Date
CH594403A5 true CH594403A5 (en) 1978-01-13

Family

ID=4350115

Family Applications (1)

Application Number Title Priority Date Filing Date
CH926575A CH594403A5 (en) 1974-12-02 1975-07-14 Light filter for welding goggles visor

Country Status (2)

Country Link
CH (1) CH594403A5 (it)
IT (1) IT1055712B (it)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3536678A1 (de) * 1984-10-16 1986-07-10 Kabushiki Kaisha Sensor Gijutsu Kenkyujo, Tokio/Tokyo Verfahren und vorrichtung zum schutze der augen gegen das lichtbogenschweisslicht
WO2008136696A3 (en) * 2007-05-08 2009-02-19 Zeljko Mandic Variable transparency screen
EP3296801A1 (en) * 2016-09-14 2018-03-21 Carl Zeiss Vision International GmbH Eyewear with transparent component for generating colour effects

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3536678A1 (de) * 1984-10-16 1986-07-10 Kabushiki Kaisha Sensor Gijutsu Kenkyujo, Tokio/Tokyo Verfahren und vorrichtung zum schutze der augen gegen das lichtbogenschweisslicht
WO2008136696A3 (en) * 2007-05-08 2009-02-19 Zeljko Mandic Variable transparency screen
EP3296801A1 (en) * 2016-09-14 2018-03-21 Carl Zeiss Vision International GmbH Eyewear with transparent component for generating colour effects
US10444548B2 (en) 2016-09-14 2019-10-15 Carl Zeiss Vision International Gmbh Eyewear with transparent component for generating color effects

Also Published As

Publication number Publication date
IT1055712B (it) 1982-01-11

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased