ZA722180B - Thermal convection flow light valve - Google Patents
Thermal convection flow light valveInfo
- Publication number
- ZA722180B ZA722180B ZA722180A ZA722180A ZA722180B ZA 722180 B ZA722180 B ZA 722180B ZA 722180 A ZA722180 A ZA 722180A ZA 722180 A ZA722180 A ZA 722180A ZA 722180 B ZA722180 B ZA 722180B
- Authority
- ZA
- South Africa
- Prior art keywords
- light valve
- thermal convection
- convection flow
- flow light
- thermal
- 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)
- Temperature-Responsive Valves (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Reciprocating Pumps (AREA)
- Resistance Heating (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12987371A | 1971-03-31 | 1971-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA722180B true ZA722180B (en) | 1972-12-27 |
Family
ID=22442010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA722180A ZA722180B (en) | 1971-03-31 | 1972-03-30 | Thermal convection flow light valve |
Country Status (17)
Country | Link |
---|---|
JP (1) | JPS5513011B1 (en) |
BE (1) | BE781496A (en) |
BR (1) | BR7201901D0 (en) |
CA (1) | CA978631A (en) |
CH (1) | CH550414A (en) |
DE (1) | DE2214870C3 (en) |
DK (1) | DK141543B (en) |
ES (1) | ES401391A1 (en) |
FR (1) | FR2132376B1 (en) |
GB (1) | GB1385383A (en) |
IE (1) | IE36244B1 (en) |
IL (1) | IL39040A (en) |
IT (1) | IT952437B (en) |
NL (1) | NL7204215A (en) |
NO (1) | NO135610C (en) |
SE (1) | SE377619B (en) |
ZA (1) | ZA722180B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3049092A1 (en) * | 1980-12-24 | 1982-07-29 | SWF-Spezialfabrik für Autozubehör Gustav Rau GmbH, 7120 Bietigheim-Bissingen | CELL FOR AN ELECTRO-OPTICAL DISPLAY ELEMENT AND METHOD FOR THEIR PRODUCTION |
DE3447311A1 (en) * | 1984-12-24 | 1986-06-26 | Fa. Carl Zeiss, 7920 Heidenheim | LASER WITH TUNABLE EMISSION WAVELENGTH |
GB2226654B (en) * | 1988-11-19 | 1993-06-09 | Napier Consultancy Services Li | Screen |
FR2775969B1 (en) * | 1998-03-13 | 2001-06-22 | Pyreverre | PROCESS FOR THE PREPARATION OF A DOUBLE GLAZING OF WHICH AT LEAST ONE OF THE FACES IS ENGRAVED AND DOUBLE GLAZING OBTAINED BY THIS PROCESS |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1963496A (en) * | 1933-01-16 | 1934-06-19 | Edwin H Land | Light valve |
-
1972
- 1972-03-20 IL IL39040A patent/IL39040A/en unknown
- 1972-03-27 DE DE2214870A patent/DE2214870C3/en not_active Expired
- 1972-03-28 SE SE7204006A patent/SE377619B/xx unknown
- 1972-03-29 NO NO1085/72A patent/NO135610C/no unknown
- 1972-03-29 IT IT49308/72A patent/IT952437B/en active
- 1972-03-29 BR BR721901A patent/BR7201901D0/en unknown
- 1972-03-29 DK DK154972AA patent/DK141543B/en unknown
- 1972-03-29 NL NL7204215A patent/NL7204215A/xx not_active Application Discontinuation
- 1972-03-30 ZA ZA722180A patent/ZA722180B/en unknown
- 1972-03-30 ES ES0401391A patent/ES401391A1/en not_active Expired
- 1972-03-30 CA CA138,650A patent/CA978631A/en not_active Expired
- 1972-03-30 IE IE420/72A patent/IE36244B1/en unknown
- 1972-03-30 CH CH482872A patent/CH550414A/en not_active IP Right Cessation
- 1972-03-30 GB GB1516372A patent/GB1385383A/en not_active Expired
- 1972-03-30 BE BE781496A patent/BE781496A/en unknown
- 1972-03-31 JP JP3178572A patent/JPS5513011B1/ja active Pending
- 1972-03-31 FR FR727211625A patent/FR2132376B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BR7201901D0 (en) | 1973-06-07 |
NO135610C (en) | 1977-05-04 |
IE36244L (en) | 1972-09-30 |
DE2214870A1 (en) | 1973-09-27 |
IL39040A0 (en) | 1972-05-30 |
GB1385383A (en) | 1975-02-26 |
FR2132376B1 (en) | 1973-06-29 |
JPS5513011B1 (en) | 1980-04-05 |
NL7204215A (en) | 1972-10-03 |
BE781496A (en) | 1972-07-17 |
DE2214870C3 (en) | 1982-03-11 |
IT952437B (en) | 1973-07-20 |
NO135610B (en) | 1977-01-17 |
SE377619B (en) | 1975-07-14 |
IE36244B1 (en) | 1976-09-15 |
IL39040A (en) | 1974-10-22 |
DK141543C (en) | 1980-09-29 |
DK141543B (en) | 1980-04-14 |
FR2132376A1 (en) | 1972-11-17 |
CH550414A (en) | 1974-06-14 |
CA978631A (en) | 1975-11-25 |
DE2214870B2 (en) | 1981-07-16 |
ES401391A1 (en) | 1976-06-01 |
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