BR7403503D0 - Processo para mascarar um tubo de imagem de televisao colorida - Google Patents
Processo para mascarar um tubo de imagem de televisao coloridaInfo
- Publication number
- BR7403503D0 BR7403503D0 BR3503/74A BR350374A BR7403503D0 BR 7403503 D0 BR7403503 D0 BR 7403503D0 BR 3503/74 A BR3503/74 A BR 3503/74A BR 350374 A BR350374 A BR 350374A BR 7403503 D0 BR7403503 D0 BR 7403503D0
- Authority
- BR
- Brazil
- Prior art keywords
- mask
- processing
- television image
- image tube
- colored television
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
- H01J9/22—Applying luminescent coatings
- H01J9/227—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines
- H01J9/2271—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines by photographic processes
- H01J9/2272—Devices for carrying out the processes, e.g. light houses
- H01J9/2273—Auxiliary lenses and filters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
-
- 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
- H01J29/30—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines
- H01J29/32—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines with adjacent dots or lines of different luminescent material, e.g. for colour television
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
- Microscoopes, Condenser (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US35645573A | 1973-05-02 | 1973-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7403503D0 true BR7403503D0 (pt) | 1974-11-19 |
Family
ID=23401486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR3503/74A BR7403503D0 (pt) | 1973-05-02 | 1974-04-30 | Processo para mascarar um tubo de imagem de televisao colorida |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3782253A (pt) |
| JP (1) | JPS5339305B2 (pt) |
| BE (1) | BE814361A (pt) |
| BR (1) | BR7403503D0 (pt) |
| CA (1) | CA1031208A (pt) |
| FR (1) | FR2228291B1 (pt) |
| GB (1) | GB1473388A (pt) |
| IT (1) | IT1010900B (pt) |
| NL (1) | NL7405484A (pt) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4521501A (en) * | 1983-07-14 | 1985-06-04 | Rca Corporation | Method for reducing degradation of an optical image in an exposure lighthouse |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3279340A (en) * | 1964-03-19 | 1966-10-18 | Rca Corp | Art of making color-phosphor mosaic screens |
| US3628850A (en) * | 1970-02-24 | 1971-12-21 | Hitachi Ltd | Correcting lens |
| JPS4721552U (pt) * | 1971-03-05 | 1972-11-10 | ||
| NL7106346A (pt) * | 1971-05-08 | 1972-11-10 |
-
1973
- 1973-05-02 US US00356455A patent/US3782253A/en not_active Expired - Lifetime
-
1974
- 1974-04-03 IT IT42632/74A patent/IT1010900B/it active
- 1974-04-24 NL NL7405484A patent/NL7405484A/xx not_active Application Discontinuation
- 1974-04-29 BE BE143760A patent/BE814361A/xx unknown
- 1974-04-30 BR BR3503/74A patent/BR7403503D0/pt unknown
- 1974-04-30 FR FR7415026A patent/FR2228291B1/fr not_active Expired
- 1974-05-01 JP JP4963574A patent/JPS5339305B2/ja not_active Expired
- 1974-05-01 GB GB1903374A patent/GB1473388A/en not_active Expired
- 1974-05-02 CA CA198,986A patent/CA1031208A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1010900B (it) | 1977-01-20 |
| DE2421253A1 (de) | 1974-11-14 |
| JPS5017169A (pt) | 1975-02-22 |
| BE814361A (fr) | 1974-08-16 |
| US3782253A (en) | 1974-01-01 |
| DE2421253B2 (de) | 1977-06-08 |
| CA1031208A (en) | 1978-05-16 |
| NL7405484A (pt) | 1974-11-05 |
| JPS5339305B2 (pt) | 1978-10-20 |
| GB1473388A (en) | 1977-05-11 |
| AU6845974A (en) | 1975-11-06 |
| FR2228291B1 (pt) | 1976-12-17 |
| FR2228291A1 (pt) | 1974-11-29 |
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