BE487886A - - Google Patents

Info

Publication number
BE487886A
BE487886A BE487886DA BE487886A BE 487886 A BE487886 A BE 487886A BE 487886D A BE487886D A BE 487886DA BE 487886 A BE487886 A BE 487886A
Authority
BE
Belgium
Application number
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.)
Publication of BE487886A publication Critical patent/BE487886A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/142—Coating structures, e.g. thin films multilayers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/149—Beam splitting or combining systems operating by reflection only using crossed beamsplitting surfaces, e.g. cross-dichroic cubes or X-cubes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/285—Interference filters comprising deposited thin solid films
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/18—Picture reproducers using cathode ray tubes using separate electron beams for the primary colour signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optical Filters (AREA)
BE487886D 1948-03-17 BE487886A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15386A US2589930A (en) 1948-03-17 1948-03-17 Color television light divider

Publications (1)

Publication Number Publication Date
BE487886A true BE487886A (fr)

Family

ID=21771101

Family Applications (1)

Application Number Title Priority Date Filing Date
BE487886D BE487886A (fr) 1948-03-17

Country Status (5)

Country Link
US (1) US2589930A (fr)
BE (1) BE487886A (fr)
FR (1) FR982304A (fr)
GB (1) GB666160A (fr)
NL (1) NL84376C (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL95821C (fr) * 1950-09-04 1900-01-01
CH283608A (de) * 1950-09-18 1952-06-15 Gretener Edgar Ing Dr Einrichtung zur gleichzeitigen Projektion mehrerer ein Fernsehbild zusammensetzender Einzelbilder.
DE1030057B (de) * 1951-07-21 1958-05-14 Technicolor Motion Picture Strahlenteileranordnung
US2740317A (en) * 1951-08-13 1956-04-03 Technicolor Motion Picture Color selective optical interference coatings
US2797256A (en) * 1951-09-25 1957-06-25 Rca Corp Dichroic reflector optical system
US2749792A (en) * 1951-11-05 1956-06-12 Technicolor Motion Picture Light dividing system
US2747460A (en) * 1952-07-15 1956-05-29 Calvi Pericles Image combining means for color television apparatus
DE1043662B (de) * 1952-12-01 1958-11-13 Fritz Hellige & Co G M B H Vorrichtung zur Ausfilterung bestimmter Spektralbereiche
US2809570A (en) * 1953-04-07 1957-10-15 Technicolor Corp Optical system for relating color component images
US3035179A (en) * 1953-05-28 1962-05-15 Rca Corp Condenser optical systems for flying spot scanners
US2852974A (en) * 1954-02-23 1958-09-23 Charles E Nobles Aircraft windshield projection system
US2945413A (en) * 1954-08-10 1960-07-19 Technicolor Corp Optical beam linking systems
NL202258A (fr) * 1954-11-26
US2909097A (en) * 1956-12-04 1959-10-20 Twentieth Cent Fox Film Corp Projection apparatus
US3082661A (en) * 1957-02-07 1963-03-26 Ford Motor Co Interference filter for use in a motor vehicle
US3247609A (en) * 1962-09-27 1966-04-26 Bausch & Lomb Display device
US3387909A (en) * 1963-08-07 1968-06-11 Bell Telephone Labor Inc Aperture-limited optical wave coupler
JPS56157186A (en) * 1980-05-07 1981-12-04 Matsushita Electric Ind Co Ltd Projecting device of television picture
FR2827970B1 (fr) * 2001-07-27 2003-09-26 Thomson Licensing Sa Dispositif de visualisation d'images par projection, comprenant des filtres dichroiques a gradient
US7230768B2 (en) * 2005-04-27 2007-06-12 Christie Digital Systems Inc. Ultra-bright light engine for projection displays

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1319292A (en) * 1919-10-21 Light-dividing device
US2341827A (en) * 1944-02-15 Optical unit
US1857578A (en) * 1928-11-05 1932-05-10 Synchrome Corp Motion picture film
US2027369A (en) * 1933-03-03 1936-01-14 Fernand A Bourges Photographic apparatus
US2472991A (en) * 1940-07-13 1949-06-14 Thomas W Sukumlyn Optical light wedge
US2259395A (en) * 1940-07-31 1941-10-14 Rca Corp Lens coating
US2351536A (en) * 1941-04-25 1944-06-13 Spencer Lens Co Method of treating surfaces
US2352777A (en) * 1942-04-30 1944-07-04 Rca Corp Range finder
US2397929A (en) * 1942-12-30 1946-04-09 Rca Corp Reduction in reflection from glass
US2393782A (en) * 1943-05-01 1946-01-29 Eastman Kodak Co Ocular
US2420168A (en) * 1943-12-23 1947-05-06 Rca Corp Achromatic light reflecting and transmitting film
US2374475A (en) * 1944-01-17 1945-04-24 Eastman Kodak Co Sighting device
US2412496A (en) * 1945-06-30 1946-12-10 Rca Corp Color selective reflector

Also Published As

Publication number Publication date
GB666160A (en) 1952-02-06
US2589930A (en) 1952-03-18
NL84376C (fr)
FR982304A (fr) 1951-06-08

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