BE647292A - - Google Patents
Info
- Publication number
- BE647292A BE647292A BE647292A BE647292A BE647292A BE 647292 A BE647292 A BE 647292A BE 647292 A BE647292 A BE 647292A BE 647292 A BE647292 A BE 647292A BE 647292 A BE647292 A BE 647292A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
-
- 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
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
- H01J29/896—Anti-reflection means, e.g. eliminating glare due to ambient light
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/89—Optical components associated with the vessel
- H01J2229/8913—Anti-reflection, anti-glare, viewing angle and contrast improving treatments or devices
- H01J2229/8922—Apparatus attached to vessel and not integral therewith
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Cameras Adapted For Combination With Other Photographic Or Optical Apparatuses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US276501A US3215776A (en) | 1963-04-29 | 1963-04-29 | Television set with ambient light trapping filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE647292A true BE647292A (xx) | 1964-10-29 |
Family
ID=23056893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE647292A BE647292A (xx) | 1963-04-29 | 1964-04-29 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3215776A (xx) |
| AT (1) | AT262391B (xx) |
| BE (1) | BE647292A (xx) |
| CH (1) | CH445560A (xx) |
| DE (1) | DE1437099A1 (xx) |
| ES (1) | ES299302A1 (xx) |
| FR (1) | FR1398204A (xx) |
| GB (1) | GB1044797A (xx) |
| NL (1) | NL6404743A (xx) |
| NO (1) | NO117371B (xx) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5542371Y2 (xx) * | 1972-08-24 | 1980-10-03 | ||
| US4090219A (en) * | 1974-12-09 | 1978-05-16 | Hughes Aircraft Company | Liquid crystal sequential color display |
| US4354205A (en) * | 1980-10-06 | 1982-10-12 | Lowe George F | Attachable, image-modifying screen for television images |
| US4621898A (en) * | 1983-03-17 | 1986-11-11 | Allied Corporation | Directional optical filter |
| DE8901259U1 (xx) * | 1988-11-28 | 1989-10-19 | Gardex Ag, St Gallen, Ch | |
| US6050833A (en) * | 1997-11-03 | 2000-04-18 | Fellowes Manufacturing Company | Glare filter for computer monitors |
| JP2007325879A (ja) * | 2006-06-09 | 2007-12-20 | Aruze Corp | 遊技機 |
| TW200916696A (en) * | 2007-10-11 | 2009-04-16 | Hannspree Inc | Flat-panel display with illumination function |
| CN108196325B (zh) * | 2018-03-09 | 2023-06-30 | 中国工程物理研究院激光聚变研究中心 | 一种提高激光系统杂散光吸收能量密度的装置及方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2388203A (en) * | 1942-09-10 | 1945-10-30 | Philco Radio & Television Corp | Viewing device for cathode-ray tube screens and the like |
| US2559353A (en) * | 1950-07-25 | 1951-07-03 | Richard A Fisch | Mounting and protecting device for cathode-ray tubes |
| US2942254A (en) * | 1956-10-01 | 1960-06-21 | Rca Corp | Image viewing apparatus |
| GB849377A (en) * | 1958-03-13 | 1960-09-28 | Gen Electric Co Ltd | Improvements in or relating to light-transmissive screens |
| US2977412A (en) * | 1958-03-25 | 1961-03-28 | Rca Corp | Light reflection reducing device |
-
1963
- 1963-04-29 US US276501A patent/US3215776A/en not_active Expired - Lifetime
-
1964
- 1964-04-28 NO NO153038A patent/NO117371B/no unknown
- 1964-04-29 AT AT382564A patent/AT262391B/de active
- 1964-04-29 CH CH564464A patent/CH445560A/de unknown
- 1964-04-29 BE BE647292A patent/BE647292A/xx unknown
- 1964-04-29 FR FR972745A patent/FR1398204A/fr not_active Expired
- 1964-04-29 ES ES0299302A patent/ES299302A1/es not_active Expired
- 1964-04-29 GB GB17896/64A patent/GB1044797A/en not_active Expired
- 1964-04-29 NL NL6404743A patent/NL6404743A/xx unknown
- 1964-04-29 DE DE19641437099 patent/DE1437099A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH445560A (de) | 1967-10-31 |
| NL6404743A (xx) | 1964-10-30 |
| GB1044797A (en) | 1966-10-05 |
| NO117371B (xx) | 1969-08-04 |
| AT262391B (de) | 1968-06-10 |
| ES299302A1 (es) | 1964-12-01 |
| FR1398204A (fr) | 1965-05-07 |
| DE1437099A1 (de) | 1968-10-31 |
| US3215776A (en) | 1965-11-02 |