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FR882031A - Perfectionnements aux dispositifs de commande de lumière - Google Patents

Perfectionnements aux dispositifs de commande de lumière

Info

Publication number
FR882031A
FR882031A FR882031DA FR882031A FR 882031 A FR882031 A FR 882031A FR 882031D A FR882031D A FR 882031DA FR 882031 A FR882031 A FR 882031A
Authority
FR
France
Prior art keywords
control devices
light control
light
devices
control
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
Other languages
English (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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR882031A publication Critical patent/FR882031A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7425—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being a dielectric deformable layer controlled by an electron beam, e.g. eidophor projector

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
FR882031D 1940-08-27 1942-05-13 Perfectionnements aux dispositifs de commande de lumière Expired FR882031A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US354390A US2335659A (en) 1940-08-27 1940-08-27 Light-controlling device

Publications (1)

Publication Number Publication Date
FR882031A true FR882031A (fr) 1943-05-14

Family

ID=23393121

Family Applications (1)

Application Number Title Priority Date Filing Date
FR882031D Expired FR882031A (fr) 1940-08-27 1942-05-13 Perfectionnements aux dispositifs de commande de lumière

Country Status (3)

Country Link
US (1) US2335659A (fr)
BE (1) BE450089A (fr)
FR (1) FR882031A (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515263A (en) * 1944-02-24 1950-07-18 Raibourn Paul Communication system
US2481621A (en) * 1945-05-02 1949-09-13 Skiatron Corp Light modulation by cathode-ray orientation of liquid-suspended particles
US2495697A (en) * 1946-06-08 1950-01-31 Chilowsky Constantin Method and apparatus for intensifying electronic images
US2495297A (en) * 1947-04-03 1950-01-24 Kurt G Stern Electrophoretic liquid analysis apparatus having a diaphragm and cylindrical lens inthe optic path
NL144629B (nl) * 1948-02-06 Shell Int Research Werkwijze voor het bereiden van oplosbare condensatieprodukten en met water verdunbare verfbindmiddelen.
US2792484A (en) * 1951-12-19 1957-05-14 Gen Electric Temperature measuring and controlling apparatus
US2710274A (en) * 1952-03-26 1955-06-07 Kuehl Georg Walter Multi-layer glass sheet
US2788452A (en) * 1952-07-29 1957-04-09 Ernest J Sternglass Thermal image detecting tube
US2721319A (en) * 1952-09-12 1955-10-18 Gen Precision Lab Inc Light modulating system using a cathode ray tube with elliptical mirror
US2935624A (en) * 1955-08-26 1960-05-03 Forman Ralph Electrostatically-controlled resistance tube
US2957942A (en) * 1958-01-13 1960-10-25 Gen Electric Projection television system
US3072742A (en) * 1959-06-29 1963-01-08 Block Engineering Generation of optical surfaces
US3085469A (en) * 1959-10-12 1963-04-16 Ncr Co Optical information-processing apparatus and method
NL256778A (fr) * 1960-12-27 1964-04-10
US3408134A (en) * 1963-04-22 1968-10-29 American Optical Corp Variable density light-filtering means utilizing stannous chloride and thiazine dye
US3345462A (en) * 1963-10-16 1967-10-03 Gen Electric Light valve projection apparatus
US3424863A (en) * 1964-09-29 1969-01-28 Gen Electric Light valve
US3626084A (en) * 1970-06-12 1971-12-07 Ibm Deformographic storage display tube
US3737877A (en) * 1970-09-24 1973-06-05 Energy Conversion Devices Inc Data storage system with coarse and fine directing means

Also Published As

Publication number Publication date
US2335659A (en) 1943-11-30
BE450089A (fr)

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