FR2132880A1 - - Google Patents

Info

Publication number
FR2132880A1
FR2132880A1 FR7212829A FR7212829A FR2132880A1 FR 2132880 A1 FR2132880 A1 FR 2132880A1 FR 7212829 A FR7212829 A FR 7212829A FR 7212829 A FR7212829 A FR 7212829A FR 2132880 A1 FR2132880 A1 FR 2132880A1
Authority
FR
France
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.)
Granted
Application number
FR7212829A
Other languages
French (fr)
Other versions
FR2132880B1 (en
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.)
Research Frontiers Inc
Original Assignee
Research Frontiers Inc
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 Research Frontiers Inc filed Critical Research Frontiers Inc
Publication of FR2132880A1 publication Critical patent/FR2132880A1/fr
Application granted granted Critical
Publication of FR2132880B1 publication Critical patent/FR2132880B1/fr
Expired legal-status Critical Current

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 
    • G02F1/17—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 variable-absorption elements not provided for in groups G02F1/015 - G02F1/169
    • G02F1/172—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 variable-absorption elements not provided for in groups G02F1/015 - G02F1/169 based on a suspension of orientable dipolar particles, e.g. suspended particles displays
FR7212829A 1971-04-12 1972-04-12 Expired FR2132880B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13320571A 1971-04-12 1971-04-12

Publications (2)

Publication Number Publication Date
FR2132880A1 true FR2132880A1 (en) 1972-11-24
FR2132880B1 FR2132880B1 (en) 1976-08-06

Family

ID=22457478

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7212829A Expired FR2132880B1 (en) 1971-04-12 1972-04-12

Country Status (10)

Country Link
US (1) US3743382A (en)
JP (1) JPS5632609B1 (en)
CA (1) CA965862A (en)
DE (1) DE2217248A1 (en)
FR (1) FR2132880B1 (en)
GB (1) GB1385505A (en)
IT (1) IT957617B (en)
NL (1) NL7204866A (en)
SE (1) SE377620B (en)
ZA (1) ZA722448B (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5398041A (en) * 1970-12-28 1995-03-14 Hyatt; Gilbert P. Colored liquid crystal display having cooling
US5432526A (en) * 1970-12-28 1995-07-11 Hyatt; Gilbert P. Liquid crystal display having conductive cooling
US4672457A (en) * 1970-12-28 1987-06-09 Hyatt Gilbert P Scanner system
US4739396C1 (en) * 1970-12-28 2002-07-09 Gilbert P Hyatt Projection display system
US4435732A (en) 1973-06-04 1984-03-06 Hyatt Gilbert P Electro-optical illumination control system
US4164365A (en) * 1972-07-31 1979-08-14 Research Frontiers Incorporated Light valve for controlling the transmission of radiation comprising a cell and a stabilized liquid suspension
US4078856A (en) * 1976-03-17 1978-03-14 Research Frontiers Incorporated Light valve
US4273422A (en) * 1978-08-10 1981-06-16 Research Frontiers Incorporated Light valve containing liquid suspension including polymer stabilizing system
US4294518A (en) * 1978-11-30 1981-10-13 The Bendix Corporation Dual mode light valve display
DE2910952A1 (en) * 1979-03-20 1980-12-11 Siemens Ag DEVICE FOR IMPROVING THE VISIBILITY OF PASSIVE DISPLAYS
DE2911087A1 (en) * 1979-03-21 1980-09-25 Siemens Ag PRESENTATION METHOD AND DISPLAY DEVICE FOR CARRYING OUT THIS METHOD
US4359698A (en) * 1980-07-09 1982-11-16 Ford Motor Company Reflecting type light modulator
US4358743A (en) * 1980-07-09 1982-11-09 Ford Motor Company Light modulator
US4639078A (en) * 1984-10-05 1987-01-27 Rockwell International Corporation Optical fiber attenuator and method of fabrication
US5150257A (en) * 1991-07-29 1992-09-22 Eaton Corporation High reliability, low intensity back lit SR and NVGC indicator assembly
EP0709713A3 (en) * 1994-10-31 1997-03-26 Fujikura Ltd Electrically controlled color display device and method
US6459418B1 (en) * 1995-07-20 2002-10-01 E Ink Corporation Displays combining active and non-active inks
DE19907334A1 (en) * 1999-02-20 2000-08-24 Bayer Ag Electrically controllable aperture, for image recording equipment, comprises electro-optical material-filled cell with non-structured facing transparent electrodes electrically contacted along peripheral sealing frame
BR0203010A (en) * 2002-07-25 2004-06-01 Luiz Antonio Junior Herbst Adjustable electromagnetic wave filter
KR20070051313A (en) * 2004-08-09 2007-05-17 코닌클리즈케 필립스 일렉트로닉스 엔.브이. Electro-optical suspended particle cell comprising two kinds of anisometric particles with different optical and electromechanical properties
TW200835995A (en) * 2006-10-10 2008-09-01 Cbrite Inc Electro-optic display
US8501272B2 (en) 2006-12-22 2013-08-06 Cospheric Llc Hemispherical coating method for micro-elements
US20100035377A1 (en) * 2006-12-22 2010-02-11 Cbrite Inc. Transfer Coating Method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR20394E (en) * 1913-07-15 1917-11-28 Auguste Victor Bollard Walls intended to oppose horizontal thrusts of solid masses
FR1476194A (en) * 1965-04-26 1967-04-07 Rca Corp Method and devices for testing the properties of substances mixed with liquid crystals
US3322482A (en) * 1965-04-12 1967-05-30 James V Harmon Panel for controlling light transmission by the selective orientation of free particles
FR1536032A (en) * 1967-09-06 1968-08-09 Electrically sensitive light adjuster
US3612657A (en) * 1970-06-22 1971-10-12 Zenith Radio Corp Light-intensity control device utilizing oriented particles suspended in a gel

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1963496A (en) * 1933-01-16 1934-06-19 Edwin H Land Light valve
US3257903A (en) * 1960-11-21 1966-06-28 Alvin M Marks Electrically responsive light controlling devices employing suspended dipole particles and shear forces
US3341274A (en) * 1964-02-04 1967-09-12 Alvin M Marks Electrically responsive light controlling device employing suspended dipole particles in a plastic film

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR20394E (en) * 1913-07-15 1917-11-28 Auguste Victor Bollard Walls intended to oppose horizontal thrusts of solid masses
US3322482A (en) * 1965-04-12 1967-05-30 James V Harmon Panel for controlling light transmission by the selective orientation of free particles
FR1476194A (en) * 1965-04-26 1967-04-07 Rca Corp Method and devices for testing the properties of substances mixed with liquid crystals
FR1536032A (en) * 1967-09-06 1968-08-09 Electrically sensitive light adjuster
US3612657A (en) * 1970-06-22 1971-10-12 Zenith Radio Corp Light-intensity control device utilizing oriented particles suspended in a gel

Also Published As

Publication number Publication date
US3743382A (en) 1973-07-03
DE2217248A1 (en) 1972-11-30
ZA722448B (en) 1973-02-28
SE377620B (en) 1975-07-14
GB1385505A (en) 1975-02-26
NL7204866A (en) 1972-10-16
JPS5632609B1 (en) 1981-07-29
CA965862A (en) 1975-04-08
IT957617B (en) 1973-10-20
FR2132880B1 (en) 1976-08-06

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Legal Events

Date Code Title Description
ST Notification of lapse