BR9205510A - Dispositivo electro-óptico de transparência variável, e dispositivo para proteger os olhos - Google Patents

Dispositivo electro-óptico de transparência variável, e dispositivo para proteger os olhos

Info

Publication number: BR9205510A
Authority: BR; Brazil
Prior art keywords: electro; cell; optical; eyes; protect
Prior art date: 1991-11-05

Application number

BR9205510A

Other languages

English (en)

Inventor

Joachim Grupp

Original Assignee

Asulab Sa

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.)

1991-11-05

Filing date

1992-10-31

Publication date

1994-04-26

1991-11-05 Priority claimed from CH321891A external-priority patent/CH685176A5/fr

1991-12-17 Priority claimed from FR9115768A external-priority patent/FR2685102B1/fr

1992-10-31 Application filed by Asulab Sa filed Critical Asulab Sa

1994-04-26 Publication of BR9205510A publication Critical patent/BR9205510A/pt

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
- 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
- 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

Landscapes

Health & Medical Sciences (AREA)
Ophthalmology & Optometry (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Life Sciences & Earth Sciences (AREA)
Veterinary Medicine (AREA)
Engineering & Computer Science (AREA)
Biomedical Technology (AREA)
Heart & Thoracic Surgery (AREA)
Vascular Medicine (AREA)
Physics & Mathematics (AREA)
Animal Behavior & Ethology (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Liquid Crystal (AREA)
Eyeglasses (AREA)
Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Investigating Or Analysing Materials By Optical Means (AREA)

BR9205510A 1991-11-05 1992-10-31 Dispositivo electro-óptico de transparência variável, e dispositivo para proteger os olhos BR9205510A (pt)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
CH321891A CH685176A5 (fr)	1991-11-05	1991-11-05	Dispositif électro-optique à transparence variable.
FR9115768A FR2685102B1 (fr)	1991-12-17	1991-12-17	Dispositif electro-optique a transparence variable.
PCT/EP1992/002503 WO1993008774A1 (fr)	1991-11-05	1992-10-31	Dispositif electro-optique a transparence variable

Publications (1)

Publication Number	Publication Date
BR9205510A true BR9205510A (pt)	1994-04-26

Family

ID=25692484

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9205510A BR9205510A (pt)	1991-11-05	1992-10-31	Dispositivo electro-óptico de transparência variável, e dispositivo para proteger os olhos

Country Status (11)

Country	Link
EP (1)	EP0565684B1 (pt)
JP (1)	JPH06504146A (pt)
KR (1)	KR930702929A (pt)
AT (1)	ATE136763T1 (pt)
AU (1)	AU663897B2 (pt)
BR (1)	BR9205510A (pt)
CA (1)	CA2098825A1 (pt)
DE (1)	DE69210010T2 (pt)
ES (1)	ES2088599T3 (pt)
SG (1)	SG65551A1 (pt)
WO (1)	WO1993008774A1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4327051A1 (de) *	1993-08-12	1994-05-19	Peter Schulthess	Programmierbare elektronische Okklusionsbrille
RU2181213C2 (ru) *	2000-07-11	2002-04-10	Образцов Николай Львович	Способ защиты глаз от ослепляющего оптического излучения
WO2005007048A1 (en) *	2003-07-10	2005-01-27	Lightswitch Safety Systems, Inc.	Light sensor arrangement for auto-darkening lenses and method
CN105122094B (zh) *	2012-11-01	2018-06-12	依视路国际公司	受热影响的可改变的着色装置
FR3010941B1 (fr) *	2013-09-26	2017-01-13	Valeo Vision	Dispositif et procede d'aide a la conduite
JP6880584B2 (ja) *	2016-07-12	2021-06-02	株式会社リコー	調光装置及び調光方法
WO2018199719A1 (ko) *	2017-04-28	2018-11-01	주식회사 엘지화학	광변조 디바이스
JP7225509B2 (ja) *	2018-09-04	2023-02-21	エルジー・ケム・リミテッド	透過度可変デバイス

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE7538264U (de) *	1974-12-02	1977-09-22	Revue Thommen Ag, Waldenburg (Schweiz)	Lichtschutzfilter
CH629001A5 (fr) *	1978-02-06	1982-03-31	Ebauches Sa	Cellule d'affichage electro-optique passif.
DE3276596D1 (en) *	1982-04-14	1987-07-23	Eggenschwiler Andre M	Protective light filter, in particular for protective shields or welding glasses
SE464264B (sv) *	1984-02-24	1991-03-25	Esab Ab	Optiskt filter foer svetsskyddsglas
GB2169417A (en) *	1984-12-28	1986-07-09	Olympus Optical Co	Liquid crystal lens having a variable focal length
IT1190508B (it) *	1986-03-24	1988-02-16	Daniele Senatore	Occhiali a trasparenza regolabile
WO1988006030A1 (en) *	1987-02-12	1988-08-25	Bernard Rosen	Welding helmet

1992
- 1992-10-31 BR BR9205510A patent/BR9205510A/pt not_active Application Discontinuation
- 1992-10-31 WO PCT/EP1992/002503 patent/WO1993008774A1/fr not_active Ceased
- 1992-10-31 ES ES92922686T patent/ES2088599T3/es not_active Expired - Lifetime
- 1992-10-31 CA CA002098825A patent/CA2098825A1/en not_active Abandoned
- 1992-10-31 DE DE69210010T patent/DE69210010T2/de not_active Expired - Fee Related
- 1992-10-31 SG SG1996001826A patent/SG65551A1/en unknown
- 1992-10-31 JP JP5508157A patent/JPH06504146A/ja active Pending
- 1992-10-31 KR KR1019930701965A patent/KR930702929A/ko not_active Ceased
- 1992-10-31 AU AU28932/92A patent/AU663897B2/en not_active Ceased
- 1992-10-31 EP EP92922686A patent/EP0565684B1/fr not_active Expired - Lifetime
- 1992-10-31 AT AT92922686T patent/ATE136763T1/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE69210010T2 (de)	1996-11-07
ES2088599T3 (es)	1996-08-16
DE69210010D1 (de)	1996-05-23
EP0565684B1 (fr)	1996-04-17
ATE136763T1 (de)	1996-05-15
CA2098825A1 (en)	1993-05-06
SG65551A1 (en)	1999-06-22
WO1993008774A1 (fr)	1993-05-13
JPH06504146A (ja)	1994-05-12
AU663897B2 (en)	1995-10-26
AU2893292A (en)	1993-06-07
EP0565684A1 (fr)	1993-10-20
KR930702929A (ko)	1993-11-29

Publication	Publication Date	Title
EP1090326B1 (en)	2004-09-15	Variable light attenuating dichroic liquid crystal device
KR900700577A (ko)	1990-08-16	복굴절 중합체 매트릭스에 분산된 액정 미적을 포함하는 광변조 물질
DE68926942D1 (de)	1996-09-19	Flüssigkristall-Projektionsanzeigevorrichtung mit einer aktiven Matrix
GB2169417A (en)	1986-07-09	Liquid crystal lens having a variable focal length
DE59811997D1 (de)	2004-10-28	Faser-integrierte photonenkristalle und -systeme
ATE27862T1 (de)	1987-07-15	Lichtschutzfilter, insbesondere fuer schweissschutzschilder oder schweissschutzbrillen.
BR9205510A (pt)	1994-04-26	Dispositivo electro-óptico de transparência variável, e dispositivo para proteger os olhos
DE69625301D1 (de)	2003-01-23	Aktivmatrix-Flüssigkristallvorrichtung mit polymerdispergiertem Flüssigkristall
GB2301449A (en)	1996-12-04	Electro-optic colour devices
WO1992000546A3 (fr)	1992-02-06	Afficheur a cristal liquide nematique, a bistabilite de surface, commande par effet flexoelectrique
GB1348294A (en)	1974-03-13	Electro-optical devices with acousto-optic effect suppression
DE69231981D1 (de)	2001-09-06	Optisches Modulationselement
JPS57173801A (en)	1982-10-26	Reflection factor variable mirror device
GB2074356B (en)	1983-11-09	Passive electro-optic display cell
CH621451GA3 (pt)	1981-02-13
GB2062330B (en)	1983-03-30	Electrochromic display device
GB1522315A (en)	1978-08-23	Liquid crystalline materials
KR870005635A (ko)	1987-07-06	액정 보안경
CH639811GA3 (en)	1983-12-15	Liquid-crystal display cell
JPS56140375A (en)	1981-11-02	Image forming device
JPS55138725A (en)	1980-10-29	Electrochromic display device
JPS61177433A (ja)	1986-08-09	焦点距離可変液晶レンズ
JPS55147481A (en)	1980-11-17	Protector for arc welding
RU93027615A (ru)	1995-10-27	Противоослепляющее устройство
JPS557701A (en)	1980-01-19	Electro-optic element

Legal Events

Date	Code	Title
1995-01-17	EE	Request for examination
1998-11-10	EG	Technical examination (opinion): publication of technical examination (opinion)
1999-12-28	FC	Decision: refusal