FR982304A - Réflecteurs sélectifs pour les couleurs - Google Patents

Réflecteurs sélectifs pour les couleurs

Info

Publication number
FR982304A
FR982304A FR982304DA FR982304A FR 982304 A FR982304 A FR 982304A FR 982304D A FR982304D A FR 982304DA FR 982304 A FR982304 A FR 982304A
Authority
FR
France
Prior art keywords
colors
selective reflectors
reflectors
selective
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)
French (fr)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR982304A publication Critical patent/FR982304A/fr
Expired legal-status Critical Current

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)
FR982304D 1948-03-17 1949-03-03 Réflecteurs sélectifs pour les couleurs Expired FR982304A (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
FR982304A true FR982304A (fr) 1951-06-08

Family

ID=21771101

Family Applications (1)

Application Number Title Priority Date Filing Date
FR982304D Expired FR982304A (fr) 1948-03-17 1949-03-03 Réflecteurs sélectifs pour les couleurs

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1030057B (de) * 1951-07-21 1958-05-14 Technicolor Motion Picture Strahlenteileranordnung

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL95821C (h) * 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.
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 (h) * 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
US2341827A (en) * 1944-02-15 Optical unit
US1319292A (en) * 1919-10-21 Light-dividing device
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1030057B (de) * 1951-07-21 1958-05-14 Technicolor Motion Picture Strahlenteileranordnung

Also Published As

Publication number Publication date
US2589930A (en) 1952-03-18
GB666160A (en) 1952-02-06
BE487886A (h)
NL84376C (h)

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