IT957617B - DEVICE AND METHOD FOR CHECKING THE TRANSMISSION OF LIGHT RADIATION - Google Patents
DEVICE AND METHOD FOR CHECKING THE TRANSMISSION OF LIGHT RADIATIONInfo
- Publication number
- IT957617B IT957617B IT49516/72A IT4951672A IT957617B IT 957617 B IT957617 B IT 957617B IT 49516/72 A IT49516/72 A IT 49516/72A IT 4951672 A IT4951672 A IT 4951672A IT 957617 B IT957617 B IT 957617B
- Authority
- IT
- Italy
- Prior art keywords
- checking
- transmission
- light radiation
- radiation
- light
- 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
- G02F1/17—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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Optical Filters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13320571A | 1971-04-12 | 1971-04-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT957617B true IT957617B (en) | 1973-10-20 |
Family
ID=22457478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49516/72A IT957617B (en) | 1971-04-12 | 1972-04-11 | DEVICE AND METHOD FOR CHECKING THE TRANSMISSION OF LIGHT RADIATION |
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)
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 |
US4435732A (en) | 1973-06-04 | 1984-03-06 | Hyatt Gilbert P | Electro-optical illumination control system |
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 |
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 |
US4358743A (en) * | 1980-07-09 | 1982-11-09 | Ford Motor Company | Light modulator |
US4359698A (en) * | 1980-07-09 | 1982-11-16 | Ford Motor Company | Reflecting type 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 |
US20100035377A1 (en) * | 2006-12-22 | 2010-02-11 | Cbrite Inc. | Transfer Coating Method |
TW200842401A (en) | 2006-12-22 | 2008-11-01 | Cbrite Inc | Hemispherical coating method for micro-elements |
Family Cites Families (8)
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 |
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 |
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 |
-
1971
- 1971-04-12 US US00133205A patent/US3743382A/en not_active Expired - Lifetime
-
1972
- 1972-04-11 IT IT49516/72A patent/IT957617B/en active
- 1972-04-11 DE DE19722217248 patent/DE2217248A1/en not_active Ceased
- 1972-04-11 CA CA139,420A patent/CA965862A/en not_active Expired
- 1972-04-11 SE SE7204662A patent/SE377620B/xx unknown
- 1972-04-11 ZA ZA722448A patent/ZA722448B/en unknown
- 1972-04-12 GB GB1697572A patent/GB1385505A/en not_active Expired
- 1972-04-12 FR FR7212829A patent/FR2132880B1/fr not_active Expired
- 1972-04-12 NL NL7204866A patent/NL7204866A/xx not_active Application Discontinuation
- 1972-04-12 JP JP3615272A patent/JPS5632609B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2132880A1 (en) | 1972-11-24 |
SE377620B (en) | 1975-07-14 |
FR2132880B1 (en) | 1976-08-06 |
US3743382A (en) | 1973-07-03 |
JPS5632609B1 (en) | 1981-07-29 |
DE2217248A1 (en) | 1972-11-30 |
NL7204866A (en) | 1972-10-16 |
GB1385505A (en) | 1975-02-26 |
ZA722448B (en) | 1973-02-28 |
CA965862A (en) | 1975-04-08 |
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