NO133857C - - Google Patents

Info

Publication number
NO133857C
NO133857C NO447071A NO447071A NO133857C NO 133857 C NO133857 C NO 133857C NO 447071 A NO447071 A NO 447071A NO 447071 A NO447071 A NO 447071A NO 133857 C NO133857 C NO 133857C
Authority
NO
Norway
Application number
NO447071A
Other languages
Norwegian (no)
Other versions
NO133857B (en
Inventor
W Helfrich
M Schadt
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.)
Filing date
Publication date
Application filed by Hoffmann La Roche, Bbc Brown Boveri & Cie filed Critical Hoffmann La Roche
Publication of NO133857B publication Critical patent/NO133857B/no
Publication of NO133857C publication Critical patent/NO133857C/no

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)
  • Motor Or Generator Current Collectors (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
NO447071A 1970-12-04 1971-12-03 NO133857C (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 (2)

Publication Number Publication Date
NO133857B NO133857B (en) 1976-03-29
NO133857C true NO133857C (en) 1976-07-07

Family

ID=4429210

Family Applications (1)

Application Number Title Priority Date Filing Date
NO447071A NO133857C (en) 1970-12-04 1971-12-03

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
US8416355B2 (en) 2007-06-20 2013-04-09 Tc View Ltd. Directional filter device for controlling direction of maximal blocking of incident light
US8023052B1 (en) 2010-08-17 2011-09-20 Lc-Tec Displays Ab High-speed liquid crystal polarization modulator
US8184215B2 (en) 2010-08-17 2012-05-22 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
WO2013013662A1 (en) 2011-07-28 2013-01-31 Eads Deutschland Gmbh Light transmission control device and aircraft window furnished therewith, and a method for producing such 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

Also Published As

Publication number Publication date
JPS5133654A (en) 1976-03-22
SE7501996L (en) 1975-02-21
AU3561571A (en) 1973-05-17
JPS5113666B1 (en) 1976-05-01
NO133857B (en) 1976-03-29
DE7047103U (en) 1972-09-28
JPS599327U (en) 1984-01-21
AU450702B2 (en) 1974-07-18
AT323821B (en) 1975-07-25
JPS5552027A (en) 1980-04-16
JPS5552026A (en) 1980-04-16
SU694102A3 (en) 1979-10-25
IL38107A (en) 1974-09-10
CH532261A (en) 1972-12-31
SE420027B (en) 1981-09-07

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