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
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)
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 (US06653308-20031125-C00173.png) |
Family
ID=21771101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE487886D BE487886A (US06653308-20031125-C00173.png) | 1948-03-17 |
Country Status (5)
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL95821C (US06653308-20031125-C00173.png) * | 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 (US06653308-20031125-C00173.png) * | 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)
| 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 |
-
0
- NL NL84376D patent/NL84376C/xx active
- BE BE487886D patent/BE487886A/xx unknown
-
1948
- 1948-03-17 US US15386A patent/US2589930A/en not_active Expired - Lifetime
-
1949
- 1949-03-03 FR FR982304D patent/FR982304A/fr not_active Expired
- 1949-03-07 GB GB6176/49A patent/GB666160A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR982304A (fr) | 1951-06-08 |
| NL84376C (US06653308-20031125-C00173.png) | |
| GB666160A (en) | 1952-02-06 |
| US2589930A (en) | 1952-03-18 |
