CA978631A - Thermal convection flow light valve - Google Patents

Thermal convection flow light valve

Info

Publication number
CA978631A
CA978631A CA138,650A CA138650A CA978631A CA 978631 A CA978631 A CA 978631A CA 138650 A CA138650 A CA 138650A CA 978631 A CA978631 A CA 978631A
Authority
CA
Canada
Prior art keywords
light valve
thermal convection
convection flow
flow light
thermal
Prior art date
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.)
Expired
Application number
CA138,650A
Other languages
English (en)
Other versions
CA138650S (en
Inventor
Francis C. Lowell
Matthew Forlini
Paul Rosenberg
Robert L. Saxe
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
Application granted granted Critical
Publication of CA978631A publication Critical patent/CA978631A/en
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

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)
CA138,650A 1971-03-31 1972-03-30 Thermal convection flow light valve Expired CA978631A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12987371A 1971-03-31 1971-03-31

Publications (1)

Publication Number Publication Date
CA978631A true CA978631A (en) 1975-11-25

Family

ID=22442010

Family Applications (1)

Application Number Title Priority Date Filing Date
CA138,650A Expired CA978631A (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)

* Cited by examiner, † Cited by third party
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)

* 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

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
ZA722180B (en) 1972-12-27
IL39040A (en) 1974-10-22
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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