BR7403501D0 - PERFECTED REFRACTION DEVICE - Google Patents
PERFECTED REFRACTION DEVICEInfo
- Publication number
- BR7403501D0 BR7403501D0 BR3501/74A BR350174A BR7403501D0 BR 7403501 D0 BR7403501 D0 BR 7403501D0 BR 3501/74 A BR3501/74 A BR 3501/74A BR 350174 A BR350174 A BR 350174A BR 7403501 D0 BR7403501 D0 BR 7403501D0
- Authority
- BR
- Brazil
- Prior art keywords
- perfected
- refraction device
- refraction
- perfected refraction
- Prior art date
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
- H01J29/02—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
- H01J29/327—Black matrix materials
-
- 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
- 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
-
- 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
- H01J9/2278—Application of light absorbing material, e.g. between the luminescent areas
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US356454A US3893750A (en) | 1973-05-02 | 1973-05-02 | Cathode-ray tube screening correction lens with a non-solarizing material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7403501D0 true BR7403501D0 (en) | 1974-11-19 |
Family
ID=23401481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR3501/74A BR7403501D0 (en) | 1973-05-02 | 1974-04-30 | PERFECTED REFRACTION DEVICE |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3893750A (en) |
| JP (1) | JPS5016549A (en) |
| AU (1) | AU475196B2 (en) |
| BE (1) | BE814360A (en) |
| BR (1) | BR7403501D0 (en) |
| CA (1) | CA1016377A (en) |
| DE (1) | DE2421255B2 (en) |
| FR (1) | FR2228229B1 (en) |
| GB (1) | GB1472926A (en) |
| IT (1) | IT1010922B (en) |
| NL (1) | NL7405487A (en) |
| SU (1) | SU592343A3 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52140343U (en) * | 1976-04-17 | 1977-10-24 | ||
| JPS52143847A (en) * | 1976-05-26 | 1977-11-30 | Mitsubishi Electric Corp | Optical lens |
| US4235503A (en) * | 1978-05-08 | 1980-11-25 | Condon Chris J | Film projection lens system for 3-D movies |
| IT1115189B (en) * | 1978-05-30 | 1986-02-03 | Rca Corp | FRESNEL LENS |
| JPS5649501U (en) * | 1979-09-25 | 1981-05-01 | ||
| JPS59180502A (en) * | 1983-03-30 | 1984-10-13 | Toshiba Electric Equip Corp | Light control body |
| JPS59180506A (en) * | 1983-03-30 | 1984-10-13 | Toshiba Electric Equip Corp | Light control body |
| US4650275A (en) * | 1983-06-15 | 1987-03-17 | Jones Neal K | Thin plastic corrector lenses for optical systems |
Family Cites Families (2)
| 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 |
| US3486825A (en) * | 1965-05-10 | 1969-12-30 | Bradford Howland | Optical test equipment and methods for making and using same |
-
1973
- 1973-05-02 US US356454A patent/US3893750A/en not_active Expired - Lifetime
-
1974
- 1974-04-05 IT IT42667/74A patent/IT1010922B/en active
- 1974-04-24 NL NL7405487A patent/NL7405487A/xx not_active Application Discontinuation
- 1974-04-29 BE BE143759A patent/BE814360A/en unknown
- 1974-04-30 BR BR3501/74A patent/BR7403501D0/en unknown
- 1974-04-30 FR FR7415028A patent/FR2228229B1/fr not_active Expired
- 1974-05-01 AU AU68458/74A patent/AU475196B2/en not_active Expired
- 1974-05-01 JP JP49049636A patent/JPS5016549A/ja active Pending
- 1974-05-01 GB GB1903474A patent/GB1472926A/en not_active Expired
- 1974-05-02 CA CA198,772A patent/CA1016377A/en not_active Expired
- 1974-05-02 DE DE2421255A patent/DE2421255B2/en active Pending
-
1976
- 1976-07-09 SU SU762384242A patent/SU592343A3/en active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2421255A1 (en) | 1974-11-14 |
| NL7405487A (en) | 1974-11-05 |
| AU475196B2 (en) | 1976-08-12 |
| US3893750A (en) | 1975-07-08 |
| SU592343A3 (en) | 1978-02-05 |
| FR2228229B1 (en) | 1977-06-24 |
| DE2421255B2 (en) | 1979-06-21 |
| GB1472926A (en) | 1977-05-11 |
| CA1016377A (en) | 1977-08-30 |
| BE814360A (en) | 1974-08-16 |
| IT1010922B (en) | 1977-01-20 |
| AU6845874A (en) | 1975-11-06 |
| JPS5016549A (en) | 1975-02-21 |
| FR2228229A1 (en) | 1974-11-29 |
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