ATE167993T1 - Verfahren und vorrichtung zur steuerung des grades der helligkeitsempfindung mittels einer zeitveränderlichen blende - Google Patents

Verfahren und vorrichtung zur steuerung des grades der helligkeitsempfindung mittels einer zeitveränderlichen blende

Info

Publication number
ATE167993T1
ATE167993T1 AT91917718T AT91917718T ATE167993T1 AT E167993 T1 ATE167993 T1 AT E167993T1 AT 91917718 T AT91917718 T AT 91917718T AT 91917718 T AT91917718 T AT 91917718T AT E167993 T1 ATE167993 T1 AT E167993T1
Authority
AT
Austria
Prior art keywords
light
time
transparent
perceived
small increments
Prior art date
Application number
AT91917718T
Other languages
English (en)
Inventor
John M Humphrey
Original Assignee
Humphrey Eng Inc
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 Humphrey Eng Inc filed Critical Humphrey Eng Inc
Application granted granted Critical
Publication of ATE167993T1 publication Critical patent/ATE167993T1/de

Links

Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
    • A61B3/06—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing light sensitivity, e.g. adaptation; for testing colour vision
    • A61B3/063—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing light sensitivity, e.g. adaptation; for testing colour vision for testing light sensitivity, i.e. adaptation
    • 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
    • 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
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • G02F1/13318—Circuits comprising a photodetector

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Liquid Crystal (AREA)
  • Eyeglasses (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
AT91917718T 1990-12-14 1991-08-01 Verfahren und vorrichtung zur steuerung des grades der helligkeitsempfindung mittels einer zeitveränderlichen blende ATE167993T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62832390A 1990-12-14 1990-12-14

Publications (1)

Publication Number Publication Date
ATE167993T1 true ATE167993T1 (de) 1998-07-15

Family

ID=24518405

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91917718T ATE167993T1 (de) 1990-12-14 1991-08-01 Verfahren und vorrichtung zur steuerung des grades der helligkeitsempfindung mittels einer zeitveränderlichen blende

Country Status (5)

Country Link
US (1) US5276539A (de)
EP (1) EP0611286B1 (de)
AT (1) ATE167993T1 (de)
DE (1) DE69129759D1 (de)
WO (1) WO1992010130A1 (de)

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CN102473282B (zh) * 2010-06-17 2015-01-14 松下电器（美国）知识产权公司 外部光映入判定装置、视线检测装置及外部光映入判定方法
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FR2975792B1 (fr) * 2011-05-25 2013-12-20 Evelyne Casbi Filtre optique adaptatif
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FR3011090B1 (fr) 2013-09-26 2016-12-23 Valeo Vision Lunettes a affichage de donnees munies d'un ecran anti-eblouissement
CN103941421A (zh) * 2014-04-23 2014-07-23 上海交通大学 智能控光液晶眼镜及其控制方法
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CN106535839B (zh) * 2014-07-13 2019-03-22 G·卡罗素 用于使眼睛免受辐射的设备和方法
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Also Published As

Publication number Publication date
DE69129759D1 (de) 1998-08-13
EP0611286B1 (de) 1998-07-08
WO1992010130A1 (en) 1992-06-25
US5276539A (en) 1994-01-04
EP0611286A4 (de) 1994-01-06
EP0611286A1 (de) 1994-08-24

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