SE7501996L - PROCEDURE FOR CONTINUOUS INTENSITY CONTROL OF LIGHT THAT PASSES THROUGH AN ELECTRO-OPTICAL LIQUID CRYSTAL CELL. - Google Patents
PROCEDURE FOR CONTINUOUS INTENSITY CONTROL OF LIGHT THAT PASSES THROUGH AN ELECTRO-OPTICAL LIQUID CRYSTAL CELL.Info
- Publication number
- SE7501996L SE7501996L SE7501996A SE7501996A SE7501996L SE 7501996 L SE7501996 L SE 7501996L SE 7501996 A SE7501996 A SE 7501996A SE 7501996 A SE7501996 A SE 7501996A SE 7501996 L SE7501996 L SE 7501996L
- Authority
- SE
- Sweden
- Prior art keywords
- electro
- procedure
- passes
- light
- liquid crystal
- Prior art date
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
- G02F1/137—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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1793770A CH532261A (en) | 1970-12-04 | 1970-12-04 | Light control cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7501996L true SE7501996L (en) | 1975-02-21 |
| SE420027B SE420027B (en) | 1981-09-07 |
Family
ID=4429210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7501996A SE420027B (en) | 1970-12-04 | 1975-02-21 | PROCEDURE FOR CONTINUOUS CONTROL OF THE INTENSITY OF AN ELECTRO-OPTIC LIQUID CRYSTAL CELL LIGHTING |
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)
| 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 |
| AU450702B2 (en) | 1974-07-18 |
| NO133857C (en) | 1976-07-07 |
| JPS599327U (en) | 1984-01-21 |
| JPS5552027A (en) | 1980-04-16 |
| CH532261A (en) | 1972-12-31 |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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