BE473438A - - Google Patents
Info
- Publication number
- BE473438A BE473438A BE473438DA BE473438A BE 473438 A BE473438 A BE 473438A BE 473438D A BE473438D A BE 473438DA BE 473438 A BE473438 A BE 473438A
- Authority
- BE
- Belgium
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
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
-
- 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
- H01J29/18—Luminescent screens
- H01J29/24—Supports for luminescent material
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- 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
- H01J2229/8915—Surface treatment of vessel or device, e.g. controlled surface roughness
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US657978A US2485561A (en) | 1946-03-29 | 1946-03-29 | Cathode-ray tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE473438A true BE473438A (en:Method) |
Family
ID=24639401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE473438D BE473438A (en:Method) | 1946-03-29 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2485561A (en:Method) |
| BE (1) | BE473438A (en:Method) |
| FR (1) | FR944127A (en:Method) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2734142A (en) * | 1956-02-07 | Cathode ray tubes | ||
| US2569654A (en) * | 1948-11-19 | 1951-10-02 | John M Cage | Cathode-ray tube |
| US2599739A (en) * | 1950-04-12 | 1952-06-10 | American Optical Corp | Cathode-ray tube |
| US2616057A (en) * | 1950-05-20 | 1952-10-28 | Westinghouse Electric Corp | Black screen television cathode-ray tube |
| US2567713A (en) * | 1950-05-26 | 1951-09-11 | Sightmaster Corp | Light filter for black and white and color television receivers |
| US2612611A (en) * | 1950-06-23 | 1952-09-30 | Rauland Corp | Cathode-ray tube |
| US2612612A (en) * | 1950-06-23 | 1952-09-30 | Rauland Corp | Cathode-ray tube |
| US2706262A (en) * | 1950-07-15 | 1955-04-12 | American Optical Corp | Diffusion coated articles |
| US2683834A (en) * | 1950-10-07 | 1954-07-13 | Wright Arthur | Cathode-ray tube for color television receivers |
| US2680205A (en) * | 1950-11-17 | 1954-06-01 | American Optical Corp | Cathode-ray tube and method of making same |
| US2567714A (en) * | 1950-12-21 | 1951-09-11 | Sightmaster Corp | Cathode-ray tube |
| US3491237A (en) * | 1967-08-09 | 1970-01-20 | Stephen S Tillett | Optical structures |
| DE3303157A1 (de) * | 1982-02-01 | 1983-08-11 | Nippon Sheet Glass Co. Ltd., Osaka | Plattenlinse und verfahren zu ihrer herstellung |
| US5608286A (en) * | 1994-11-30 | 1997-03-04 | Texas Instruments Incorporated | Ambient light absorbing face plate for flat panel display |
| US5637958A (en) * | 1995-03-06 | 1997-06-10 | Texas Instruments Incorporated | Grooved anode plate for cathodoluminescent display device |
| US9976102B2 (en) | 2011-10-31 | 2018-05-22 | Nch Corporation | Composition and method of manufacturing calcium sulfonate greases using alkali metal hydroxide and delayed addition of non-aqueous converting agents |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1942841A (en) * | 1931-01-19 | 1934-01-09 | Shimizu Takeo | Daylight screen |
| US2090922A (en) * | 1932-11-21 | 1937-08-24 | Ardenne Manfred Von | Braun tube for producing television images rich in contrast |
| US2137118A (en) * | 1933-12-19 | 1938-11-15 | Telefunken Gmbh | Fluorescent screen |
| US2091152A (en) * | 1936-06-17 | 1937-08-24 | Gen Electric | Oscillograph |
| US2201245A (en) * | 1936-11-17 | 1940-05-21 | Firm Fernseh Aktien Ges | Cathode ray projection tube |
| US2289978A (en) * | 1940-11-30 | 1942-07-14 | Rca Corp | Television picture tube screen |
| US2388203A (en) * | 1942-09-10 | 1945-10-30 | Philco Radio & Television Corp | Viewing device for cathode-ray tube screens and the like |
-
0
- BE BE473438D patent/BE473438A/xx unknown
-
1946
- 1946-03-29 US US657978A patent/US2485561A/en not_active Expired - Lifetime
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1947
- 1947-03-28 FR FR944127D patent/FR944127A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR944127A (fr) | 1949-03-28 |
| US2485561A (en) | 1949-10-25 |