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FR994390A - Dispositif pour la projection d'images télévisées - Google Patents

Dispositif pour la projection d'images télévisées

Info

Publication number
FR994390A
FR994390A FR994390DA FR994390A FR 994390 A FR994390 A FR 994390A FR 994390D A FR994390D A FR 994390DA FR 994390 A FR994390 A FR 994390A
Authority
FR
France
Prior art keywords
television images
projecting television
projecting
images
television
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)
Inventor
Michel Auphan
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 filed Critical
Application granted granted Critical
Publication of FR994390A publication Critical patent/FR994390A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/12—Screens on or from which an image or pattern is formed, picked up, converted or stored acting as light valves by shutter operation, e.g. for eidophor
    • 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)
  • Transforming Electric Information Into Light Information (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
FR994390D 1949-06-09 1949-06-09 Dispositif pour la projection d'images télévisées Expired FR994390A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR684706X 1949-06-09
US701543XA 1950-07-28 1950-07-28

Publications (1)

Publication Number Publication Date
FR994390A true FR994390A (fr) 1951-11-15

Family

ID=26214787

Family Applications (1)

Application Number Title Priority Date Filing Date
FR994390D Expired FR994390A (fr) 1949-06-09 1949-06-09 Dispositif pour la projection d'images télévisées

Country Status (4)

Country Link
US (1) US2681423A (fr)
DE (1) DE945763C (fr)
FR (1) FR994390A (fr)
GB (2) GB684706A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1145669B (de) * 1960-06-01 1963-03-21 Fernseh Gmbh Anordnung zur Unterdrueckung der Mikrophonie bei Fernsehaufnahmeroehren
US3238296A (en) * 1962-03-29 1966-03-01 Magnavox Co Display system
US3708712A (en) * 1969-09-29 1973-01-02 Rca Corp Intelligence-handling device having means for limiting induced electrostatic potential
US3886310A (en) * 1973-08-22 1975-05-27 Westinghouse Electric Corp Electrostatically deflectable light valve with improved diffraction properties
US5493439A (en) * 1992-09-29 1996-02-20 Engle; Craig D. Enhanced surface deformation light modulator
US5488505A (en) * 1992-10-01 1996-01-30 Engle; Craig D. Enhanced electrostatic shutter mosaic modulator
US5561548A (en) * 1992-10-07 1996-10-01 Engle; Craig D. Enhanced membrane light modulator
US6031594A (en) * 1998-03-12 2000-02-29 Engle; Craig D. Electro-optic device
US6943933B2 (en) * 2003-12-21 2005-09-13 Hewlett-Packard Development Company, L.P. MEM devices having charge induced via focused beam to enter different states
US7268933B2 (en) * 2003-12-21 2007-09-11 Hewlett-Packard Development Company, L.P. Discharge of MEM devices having charge induced via focused beam to enter different states
US7535619B2 (en) * 2005-04-27 2009-05-19 Hewlett-Packard Development Company, L.P. Discharge of MEM devices having charge induced via focused beam to enter different states

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE381997A (fr) * 1930-08-15
DE677591C (de) * 1931-10-24 1939-06-29 Guenther Mache Elektrostatisch gesteuertes Lichtventil
US2128631A (en) * 1934-10-20 1938-08-30 Jules A Perrault System of optically reproducing electric impulses
DE751849C (de) * 1935-06-14 1954-08-09 Fernseh Gmbh Lichtsteuerschirm fuer Kathodenstrahlroehren
FR804151A (fr) * 1935-07-09 1936-10-17 Perfectionnements aux appareils à exploration par faisceau cathodique utilisables notamment en télévision
US2238137A (en) * 1936-10-15 1941-04-15 Firm Of Fernseh Aktien Ges Method of projecting electrical recordings
US2182451A (en) * 1937-01-18 1939-12-05 Zeiss Ikon Ag Cathode ray tube screen
DE727320C (de) * 1937-05-29 1942-10-31 Fernseh Gmbh Lichtsteuerschirm fuer Kathodenstrahlroehren
GB532106A (en) * 1939-05-24 1941-01-17 British Thomson Houston Co Ltd Improvements in and relating to methods of producing optical effects
US2415226A (en) * 1943-11-29 1947-02-04 Rca Corp Method of and apparatus for producing luminous images
US2457981A (en) * 1944-11-24 1949-01-04 Forest Lee De Cathode beam tube
US2471409A (en) * 1945-09-13 1949-05-31 Standard Telephones Cables Ltd Indicating tube system

Also Published As

Publication number Publication date
US2681423A (en) 1954-06-15
DE945763C (de) 1956-07-19
GB684706A (en) 1952-12-24
GB701543A (en) 1953-12-30

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