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)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Control Of Non-Electrical Variables (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 (enExample) |
| BE (1) | BE781496A (enExample) |
| BR (1) | BR7201901D0 (enExample) |
| CA (1) | CA978631A (enExample) |
| CH (1) | CH550414A (enExample) |
| DE (1) | DE2214870C3 (enExample) |
| DK (1) | DK141543B (enExample) |
| ES (1) | ES401391A1 (enExample) |
| FR (1) | FR2132376B1 (enExample) |
| GB (1) | GB1385383A (enExample) |
| IE (1) | IE36244B1 (enExample) |
| IL (1) | IL39040A (enExample) |
| IT (1) | IT952437B (enExample) |
| NL (1) | NL7204215A (enExample) |
| NO (1) | NO135610C (enExample) |
| SE (1) | SE377619B (enExample) |
| ZA (1) | ZA722180B (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3049092A1 (de) * | 1980-12-24 | 1982-07-29 | SWF-Spezialfabrik für Autozubehör Gustav Rau GmbH, 7120 Bietigheim-Bissingen | Zelle fuer ein elektrooptisches anzeigeelement und verfahren zu ihrer herstellung |
| DE3447311A1 (de) * | 1984-12-24 | 1986-06-26 | Fa. Carl Zeiss, 7920 Heidenheim | Laser mit durchstimmbarer emissionswellenlaenge |
| GB2226654B (en) * | 1988-11-19 | 1993-06-09 | Napier Consultancy Services Li | Screen |
| FR2775969B1 (fr) * | 1998-03-13 | 2001-06-22 | Pyreverre | Procede de preparation d'un double vitrage dont l'une au moins des faces est gravee et double-vitrage obtenu par ce procede |
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/de not_active Expired
- 1972-03-28 SE SE7204006A patent/SE377619B/xx unknown
- 1972-03-29 BR BR721901A patent/BR7201901D0/pt unknown
- 1972-03-29 IT IT49308/72A patent/IT952437B/it active
- 1972-03-29 DK DK154972AA patent/DK141543B/da unknown
- 1972-03-29 NO NO1085/72A patent/NO135610C/no unknown
- 1972-03-29 NL NL7204215A patent/NL7204215A/xx not_active Application Discontinuation
- 1972-03-30 BE BE781496A patent/BE781496A/xx unknown
- 1972-03-30 CH CH482872A patent/CH550414A/xx not_active IP Right Cessation
- 1972-03-30 CA CA138,650A patent/CA978631A/en not_active Expired
- 1972-03-30 IE IE420/72A patent/IE36244B1/xx unknown
- 1972-03-30 ZA ZA722180A patent/ZA722180B/xx unknown
- 1972-03-30 ES ES0401391A patent/ES401391A1/es not_active Expired
- 1972-03-30 GB GB1516372A patent/GB1385383A/en not_active Expired
- 1972-03-31 FR FR727211625A patent/FR2132376B1/fr not_active Expired
- 1972-03-31 JP JP3178572A patent/JPS5513011B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE781496A (fr) | 1972-07-17 |
| ES401391A1 (es) | 1976-06-01 |
| DK141543B (da) | 1980-04-14 |
| CH550414A (de) | 1974-06-14 |
| BR7201901D0 (pt) | 1973-06-07 |
| IE36244B1 (en) | 1976-09-15 |
| NO135610B (enExample) | 1977-01-17 |
| FR2132376A1 (enExample) | 1972-11-17 |
| DK141543C (enExample) | 1980-09-29 |
| NL7204215A (enExample) | 1972-10-03 |
| IL39040A (en) | 1974-10-22 |
| CA978631A (en) | 1975-11-25 |
| DE2214870A1 (de) | 1973-09-27 |
| FR2132376B1 (enExample) | 1973-06-29 |
| IL39040A0 (en) | 1972-05-30 |
| GB1385383A (en) | 1975-02-26 |
| IT952437B (it) | 1973-07-20 |
| DE2214870C3 (de) | 1982-03-11 |
| JPS5513011B1 (enExample) | 1980-04-05 |
| SE377619B (enExample) | 1975-07-14 |
| DE2214870B2 (de) | 1981-07-16 |
| NO135610C (enExample) | 1977-05-04 |
| IE36244L (en) | 1972-09-30 |
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