CA1067559A - Magnetic lenses in shadow mask of post deflection cathode ray tube - Google Patents
Magnetic lenses in shadow mask of post deflection cathode ray tubeInfo
- Publication number
- CA1067559A CA1067559A CA268,312A CA268312A CA1067559A CA 1067559 A CA1067559 A CA 1067559A CA 268312 A CA268312 A CA 268312A CA 1067559 A CA1067559 A CA 1067559A
- Authority
- CA
- Canada
- Prior art keywords
- selection means
- ray tube
- cathode ray
- colour selection
- aperture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 23
- 238000010894 electron beam technology Methods 0.000 claims description 16
- 230000005415 magnetization Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000000696 magnetic material Substances 0.000 claims description 7
- 230000005294 ferromagnetic effect Effects 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000011888 foil Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001177 Ticonal Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- HPYIMVBXZPJVBV-UHFFFAOYSA-N barium(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Ba+2] HPYIMVBXZPJVBV-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- WTGQALLALWYDJH-WYHSTMEOSA-N scopolamine hydrobromide Chemical compound Br.C1([C@@H](CO)C(=O)OC2C[C@@H]3N([C@H](C2)[C@@H]2[C@H]3O2)C)=CC=CC=C1 WTGQALLALWYDJH-WYHSTMEOSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/64—Magnetic lenses
- H01J29/68—Magnetic lenses using permanent magnets only
-
- 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
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/80—Arrangements for controlling the ray or beam after passing the main deflection system, e.g. for post-acceleration or post-concentration, for colour switching
- H01J29/81—Arrangements for controlling the ray or beam after passing the main deflection system, e.g. for post-acceleration or post-concentration, for colour switching using shadow masks
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7515039A NL7515039A (nl) | 1975-12-24 | 1975-12-24 | Kathodestraalbuis voor het weergeven van gekleurde beelden. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1067559A true CA1067559A (en) | 1979-12-04 |
Family
ID=19825091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA268,312A Expired CA1067559A (en) | 1975-12-24 | 1976-12-20 | Magnetic lenses in shadow mask of post deflection cathode ray tube |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4135111A (en, 2012) |
| JP (1) | JPS5280773A (en, 2012) |
| AU (1) | AU500926B2 (en, 2012) |
| BE (1) | BE849744A (en, 2012) |
| BR (1) | BR7608584A (en, 2012) |
| CA (1) | CA1067559A (en, 2012) |
| DE (1) | DE2656302C2 (en, 2012) |
| ES (1) | ES454497A1 (en, 2012) |
| FR (1) | FR2336791A1 (en, 2012) |
| GB (1) | GB1535447A (en, 2012) |
| IT (1) | IT1065372B (en, 2012) |
| NL (1) | NL7515039A (en, 2012) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7711773A (nl) * | 1977-10-27 | 1979-05-02 | Philips Nv | Kleurenbeeldbuis en werkwijze voor de vervaar- diging van een dergelijke kleurenbeeldbuis. |
| NL7903467A (nl) * | 1979-05-03 | 1980-11-05 | Philips Nv | Kathodestraalbuis voor het weergeven van gekleurde beelden. |
| NL7909232A (nl) * | 1979-12-21 | 1981-07-16 | Philips Nv | Kathodenstraalbuis. |
| NL8002303A (nl) * | 1980-04-21 | 1981-11-16 | Philips Nv | Werkwijzen voor het vervaardigen van een kleurenbeeldbuis voorzien van een magnetisch quadrupool nafocusseringsmasker en inrichtingen voor het uitvoeren van de werkwijzen. |
| NL8302276A (nl) * | 1983-06-28 | 1985-01-16 | Philips Nv | Kathodestraalbuis met een fe-co-cr schaduwmasker en werkwijze ter vervaardiging van zo'n schaduwmasker. |
| NL8303076A (nl) * | 1983-09-05 | 1985-04-01 | Philips Nv | Werkwijze voor het vervaardigen van een kleurenkathodestraalbuis voorzien van een magnetisch quadrupool nafocusseringsmasker en inrichting voor het uitvoeren van deze werkwijze. |
| JPS61118939A (ja) * | 1984-11-14 | 1986-06-06 | Nippon Gakki Seizo Kk | カラ−受像管用シヤドウマスク |
| JPH068458B2 (ja) * | 1984-11-24 | 1994-02-02 | ヤマハ株式会社 | カラ−受像管用シヤドウマスクの製法 |
| US4778738A (en) * | 1986-08-14 | 1988-10-18 | RCA Licensing | Method for producing a luminescent viewing screen in a focus mask cathode-ray tube |
| GB8705307D0 (en) * | 1987-03-06 | 1987-04-08 | Philips Nv | Colour display tube |
| US4854906A (en) * | 1987-12-02 | 1989-08-08 | Zenith Electronics Corporation | Material, and assemblies for tensioned foil shadow masks |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2717323A (en) * | 1954-03-23 | 1955-09-06 | Rca Corp | Electron beam centering apparatus |
| NL189142B (nl) * | 1954-07-12 | Kansai Paint Co Ltd | Werkwijze ter voorkoming van het vasthechten van organismen. | |
| US2972073A (en) * | 1955-08-31 | 1961-02-14 | Rca Corp | Electron beam controlling apparatus |
| US3136910A (en) * | 1961-07-24 | 1964-06-09 | Zenith Radio Corp | Color television tube with a magnetic focus-mask |
| US3354336A (en) * | 1965-06-30 | 1967-11-21 | Zenith Radio Corp | Ring magnetized across thickness with two diametrically opposed and oppositely oriented groups of magnetic pole pairs |
| NL7303251A (en, 2012) * | 1973-03-08 | 1974-09-10 | ||
| US4059781A (en) * | 1974-07-17 | 1977-11-22 | U.S. Philips Corporation | Shadow mask each aperture of which is defined by a quadrupolar lens |
-
1975
- 1975-12-24 NL NL7515039A patent/NL7515039A/xx not_active Application Discontinuation
-
1976
- 1976-12-11 DE DE2656302A patent/DE2656302C2/de not_active Expired
- 1976-12-16 US US05/751,368 patent/US4135111A/en not_active Expired - Lifetime
- 1976-12-20 AU AU20731/76A patent/AU500926B2/en not_active Expired
- 1976-12-20 CA CA268,312A patent/CA1067559A/en not_active Expired
- 1976-12-21 JP JP51152995A patent/JPS5280773A/ja active Granted
- 1976-12-21 GB GB53271/76A patent/GB1535447A/en not_active Expired
- 1976-12-21 BR BR7608584A patent/BR7608584A/pt unknown
- 1976-12-21 IT IT30710/76A patent/IT1065372B/it active
- 1976-12-22 BE BE173544A patent/BE849744A/xx not_active IP Right Cessation
- 1976-12-22 FR FR7638718A patent/FR2336791A1/fr active Granted
- 1976-12-22 ES ES454497A patent/ES454497A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2656302A1 (de) | 1977-07-07 |
| AU500926B2 (en) | 1979-06-07 |
| GB1535447A (en) | 1978-12-13 |
| BR7608584A (pt) | 1977-12-27 |
| AU2073176A (en) | 1978-06-29 |
| NL7515039A (nl) | 1977-06-28 |
| IT1065372B (it) | 1985-02-25 |
| ES454497A1 (es) | 1977-12-01 |
| FR2336791A1 (fr) | 1977-07-22 |
| JPS5745020B2 (en, 2012) | 1982-09-25 |
| JPS5280773A (en) | 1977-07-06 |
| BE849744A (fr) | 1977-06-22 |
| US4135111A (en) | 1979-01-16 |
| FR2336791B3 (en, 2012) | 1979-08-31 |
| DE2656302C2 (de) | 1984-12-13 |
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