AU450702B2 - Electro optical device - Google Patents

Electro optical device

Info

Publication number: AU450702B2
Authority: AU; Australia
Prior art keywords: optical device; electro optical; electro; optical
Prior art date: 1970-12-04
Legal status (The legal status 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 status listed.): Expired

Application number

AU35615/71A

Other versions

AU3561571A (en

Inventor

HELFRICH and MARTIN SCHADT WOLFGANG

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

F Hoffmann La Roche AG

Original Assignee

F Hoffmann La Roche 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.)

1970-12-04

Filing date

1971-11-11

Publication date

1974-07-18

1971-11-11 Application filed by F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG

1973-05-17 Publication of AU3561571A publication Critical patent/AU3561571A/en

1974-07-18 Application granted granted Critical

1974-07-18 Publication of AU450702B2 publication Critical patent/AU450702B2/en

Status Expired legal-status Critical Current

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)

AU35615/71A 1970-12-04 1971-11-11 Electro optical device Expired AU450702B2 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
CHCH17937/70		1970-12-04
CH1793770A CH532261A (en)	1970-12-04	1970-12-04	Light control cell
CHCH5260/71		1971-04-13

Publications (2)

Publication Number	Publication Date
AU3561571A AU3561571A (en)	1973-05-17
AU450702B2 true AU450702B2 (en)	1974-07-18

Family

ID=4429210

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU35615/71A Expired AU450702B2 (en)	1970-12-04	1971-11-11	Electro 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
EP2158503A4 (en)	2007-06-20	2010-10-13	T C View Ltd	Methods systems and devices for utilizing directions of light rays
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
US8023052B1 (en)	2010-08-17	2011-09-20	Lc-Tec Displays Ab	High-speed liquid crystal polarization modulator
EP2736802B1 (en)	2011-07-28	2015-09-09	Airbus Defence and Space GmbH	Method for producing an aircraft window with a light transmission control 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 JP JP9825771A patent/JPS5113666B1/ja active Pending
- 1971-12-03 NO NO447071A patent/NO133857C/no unknown
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 JP8680379A patent/JPS5552027A/en active Pending
- 1979-07-09 JP JP8680479A patent/JPS5552026A/en active Pending
1983
- 1983-04-25 JP JP6201383U patent/JPS599327U/en active Pending

Also Published As

Publication number	Publication date
IL38107A (en)	1974-09-10
JPS5113666B1 (en)	1976-05-01
AT323821B (en)	1975-07-25
NO133857C (en)	1976-07-07
JPS599327U (en)	1984-01-21
JPS5552027A (en)	1980-04-16
CH532261A (en)	1972-12-31
SE7501996L (en)	1975-02-21
JPS5133654A (en)	1976-03-22
SE420027B (en)	1981-09-07
DE7047103U (en)	1972-09-28
JPS5552026A (en)	1980-04-16
SU694102A3 (en)	1979-10-25
NO133857B (en)	1976-03-29
AU3561571A (en)	1973-05-17

Publication	Publication Date	Title
CA958570A (en)	1974-12-03	Optical scannar apparatus
CA938893A (en)	1973-12-25	Ear-protecting device
CA931651A (en)	1973-08-07	Optical display
CA926119A (en)	1973-05-15	Optical annunciator
AU450702B2 (en)	1974-07-18	Electro optical device
CA926918A (en)	1973-05-22	Fusing device
CA938894A (en)	1973-12-25	Ear-protecting device
CA970084A (en)	1975-06-24	Telecommunication device
CA928688A (en)	1973-06-19	Lens
AU2923271A (en)	1972-11-30	Film-perforating device
CA939643A (en)	1974-01-08	Coin-processing device
CA955440A (en)	1974-10-01	Ophthalmometer device
CA929493A (en)	1973-07-03	Money-handling device
CA966923A (en)	1975-04-29	Electrochromic devices
CA944040A (en)	1974-03-19	Optical display
CA931493A (en)	1973-08-07	Anti-flashback device
CA832676A (en)	1970-01-20	Four terminal electro optical logic device
CA845345A (en)	1970-06-23	Laser device
CA833794A (en)	1970-02-03	Laser device
CA832189A (en)	1970-01-13	Laser device
AU458896B2 (en)	1972-05-25	Optical elements
AU1226970A (en)	1971-09-16	Mirror device
CA832677A (en)	1970-01-20	Opto-electric device
CA948910A (en)	1974-06-11	Glareless light viewing devices
CA847600A (en)	1970-07-28	Optical multiplexing apparatus