AT323821B - OPTICAL DEVICE - Google Patents

OPTICAL DEVICE

Info

Publication number: AT323821B
Authority: AT; Austria
Prior art keywords: optical device; optical
Prior art date: 1970-12-04

Application number

AT956671A

Other languages

German (de)

Original Assignee

Hoffmann La Roche

Bbc Brown Boveri & Cie

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.)

1970-12-04

Filing date

1971-11-05

Publication date

1975-07-25

1971-11-05 Application filed by Hoffmann La Roche, Bbc Brown Boveri & Cie filed Critical Hoffmann La Roche

1975-07-25 Application granted granted Critical

1975-07-25 Publication of AT323821B publication Critical patent/AT323821B/en

Links

230000003287 optical effect Effects 0.000 title 1

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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/1396—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell

Landscapes

Physics & Mathematics (AREA)
Nonlinear Science (AREA)
Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Liquid Crystal (AREA)
Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Motor Or Generator Current Collectors (AREA)
Holo Graphy (AREA)
Liquid Crystal Display Device Control (AREA)

AT956671A 1970-12-04 1971-11-05 OPTICAL DEVICE AT323821B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH1793770A CH532261A (en)	1970-12-04	1970-12-04	Light control cell

Publications (1)

Publication Number	Publication Date
AT323821B true AT323821B (en)	1975-07-25

Family

ID=4429210

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT956671A AT323821B (en)	1970-12-04	1971-11-05	OPTICAL DEVICE

Country Status (9)

Country	Link
JP (5)	JPS5113666B1 (en)
AT (1)	AT323821B (en)
AU (1)	AU450702B2 (en)
CH (1)	CH532261A (en)
DE (1)	DE7047103U (en)
IL (1)	IL38107A (en)
NO (1)	NO133857C (en)
SE (1)	SE420027B (en)
SU (1)	SU694102A3 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH589856A5 (en) *	1975-12-29	1977-07-15	Kern & Co Ag
GB2028527B (en) *	1978-06-08	1982-11-24	American Liquid Xtal Chem	Liquid crystal displays
JPS6238682U (en) *	1985-08-01	1987-03-07
IT1316145B1 (en) *	2000-10-26	2003-03-28	Viptronic Srl	PHOTOELECTRIC MEASUREMENT DEVICE EQUIPPED WITH A DIPOLARIZATION FILTER.
US7477330B2 (en)	2005-03-09	2009-01-13	3M Innovative Properties Company	Automatic darkening filter with offset polarizers
US7637622B2 (en)	2005-10-11	2009-12-29	3M Innovative Properties Company	Control of an automatic darkening filter
WO2008155767A2 (en)	2007-06-20	2008-12-24	T C View Ltd	Methods systems and devices for utilizing directions of light rays
US8023052B1 (en)	2010-08-17	2011-09-20	Lc-Tec Displays Ab	High-speed liquid crystal polarization modulator
US8820937B2 (en)	2010-08-17	2014-09-02	Lc-Tec Displays Ab	Optical polarization state modulator assembly for use in stereoscopic three-dimensional image projection system
US8184215B2 (en)	2010-08-17	2012-05-22	Lc-Tec Displays Ab	High-speed liquid crystal polarization modulator
DE112012003154A5 (en)	2011-07-28	2014-06-18	Eads Deutschland Gmbh	A light transmission influencing device and an aircraft window provided therewith and a method of manufacturing such a light transmission influencing device
US9956118B2 (en)	2014-09-15	2018-05-01	3M Innovative Properties Company	Personal protective system tool communication adapter
DE102018213078B4 (en) *	2018-08-06	2020-06-18	Zf Friedrichshafen Ag	Blackout device for an ADAS camera, control unit for an ADAS camera system, ADAS camera system and vehicle with an ADAS camera system
DE102019205012A1 (en) *	2019-04-08	2020-10-08	Zf Friedrichshafen Ag	Control unit for a darkening device with variable light transmission for a vehicle window, darkening system for a vehicle window, method for darkening a vehicle window and computer program product for darkening a vehicle window
DE102020203585A1 (en)	2020-03-20	2021-09-23	Zf Friedrichshafen Ag	Arrangement and filters for image processing, computer-implemented method for controlling such a filter, control device for an imaging sensor, camera for polarizing light and control system for a vehicle comprising such a camera

1970
- 1970-12-04 CH CH1793770A patent/CH532261A/en not_active IP Right Cessation
- 1970-12-21 DE DE19707047103 patent/DE7047103U/en not_active Expired
1971
- 1971-11-05 AT AT956671A patent/AT323821B/en not_active IP Right Cessation
- 1971-11-09 IL IL3810771A patent/IL38107A/en unknown
- 1971-11-11 AU AU35615/71A patent/AU450702B2/en not_active Expired
- 1971-12-02 SU SU711721775A patent/SU694102A3/en active
- 1971-12-03 NO NO447071A patent/NO133857C/no unknown
- 1971-12-03 JP JP46098257A patent/JPS5113666B1/ja active Pending
1975
- 1975-02-21 SE SE7501996A patent/SE420027B/en not_active IP Right Cessation
- 1975-07-22 JP JP8957075A patent/JPS5133654A/en active Pending
1979
- 1979-07-09 JP JP8680479A patent/JPS5552026A/en active Pending
- 1979-07-09 JP JP8680379A patent/JPS5552027A/en active Pending
1983
- 1983-04-25 JP JP6201383U patent/JPS599327U/en active Pending

Also Published As

Publication number	Publication date
JPS5552026A (en)	1980-04-16
AU3561571A (en)	1973-05-17
JPS5552027A (en)	1980-04-16
JPS5133654A (en)	1976-03-22
SE7501996L (en)	1975-02-21
CH532261A (en)	1972-12-31
IL38107A (en)	1974-09-10
JPS599327U (en)	1984-01-21
NO133857B (en)	1976-03-29
SU694102A3 (en)	1979-10-25
AU450702B2 (en)	1974-07-18
JPS5113666B1 (en)	1976-05-01
DE7047103U (en)	1972-09-28
SE420027B (en)	1981-09-07
NO133857C (en)	1976-07-07

Legal Events

Date	Code	Title	Description
1990-11-15	EIH	Change in the person of patent owner
1992-12-15	ELA	Expired due to lapse of time

Publication	Publication Date	Title
AT299338B (en)	1972-06-12	Optical display device
AT321612B (en)	1975-04-10	Optical projection device
CH489861A (en)	1970-04-30	Device for obtaining optical effects
CH521154A (en)	1972-04-15	Sedimentation device
IT991392B (en)	1975-07-30	OPTICAL ANALYZER DEVICE
DE6605546U (en)	1970-06-11	OPTICAL TESTING DEVICE
CH501233A (en)	1970-12-31	Optical facility
SE394036B (en)	1977-05-31	OPTICAL VAGLEDAR FIBER DEVICE
AT323821B (en)	1975-07-25	OPTICAL DEVICE
NL159789B (en)	1979-03-15	OPTICAL DISTANCE MEASURING DEVICE.
IT992732B (en)	1975-09-30	OPTICAL ANALYZER DEVICE
NL182840C (en)	1988-05-16	OPTICAL DEVICE.
CH511527A (en)	1971-08-15	Laser device
CH490683A (en)	1970-05-15	Optical measuring device
DE1923032B2 (en)	1971-04-08	OPTICAL DEFLECTOR
DE1962174B2 (en)	1971-09-02	OPTICAL DISTANCE MEASURING DEVICE
BR6909674D0 (en)	1973-01-25	CONCENTRATOR OPTICAL DEVICE
NL150578B (en)	1976-08-16	ELECTRICAL OR MECHANICALLY CONTROLLED OPTICAL DEVICE.
AT312187B (en)	1973-12-27	Holding device
CH517950A (en)	1972-01-15	Optical projection device
AT295611B (en)	1972-01-10	Electro-optical device
BE753117A (en)	1971-01-07	OPTO-ELECTRONIC DEVICE
DE1800138B2 (en)	1971-03-11	OPTICAL PROJECTION DEVICE
CH518517A (en)	1972-01-31	Sighting device
NL7502024A (en)	1975-08-27	OPTICAL DEVICE.