GB1299128A - Cathode ray tube having magnetically screened electrode assembly - Google Patents
Cathode ray tube having magnetically screened electrode assemblyInfo
- Publication number
- GB1299128A GB1299128A GB4274370A GB4274370A GB1299128A GB 1299128 A GB1299128 A GB 1299128A GB 4274370 A GB4274370 A GB 4274370A GB 4274370 A GB4274370 A GB 4274370A GB 1299128 A GB1299128 A GB 1299128A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrodes
- magnetic
- focus electrode
- electrode
- shield
- 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
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
- H01J29/48—Electron guns
- H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
- H01J29/506—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube guns in delta or circular configuration
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Electron Sources, Ion Sources (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US85737169A | 1969-09-12 | 1969-09-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1299128A true GB1299128A (en) | 1972-12-06 |
Family
ID=25325845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4274370A Expired GB1299128A (en) | 1969-09-12 | 1970-09-07 | Cathode ray tube having magnetically screened electrode assembly |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS4819506B1 (xx) |
BE (1) | BE755822A (xx) |
DE (1) | DE2044852A1 (xx) |
ES (1) | ES383397A1 (xx) |
FR (1) | FR2061221A5 (xx) |
GB (1) | GB1299128A (xx) |
NL (1) | NL7013483A (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7307040A (xx) * | 1973-05-21 | 1974-11-25 |
-
0
- BE BE755822D patent/BE755822A/xx unknown
-
1970
- 1970-09-04 ES ES383397A patent/ES383397A1/es not_active Expired
- 1970-09-07 GB GB4274370A patent/GB1299128A/en not_active Expired
- 1970-09-10 DE DE19702044852 patent/DE2044852A1/de active Pending
- 1970-09-10 FR FR7032850A patent/FR2061221A5/fr not_active Expired
- 1970-09-11 NL NL7013483A patent/NL7013483A/xx unknown
- 1970-09-11 JP JP7990470A patent/JPS4819506B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NL7013483A (xx) | 1971-03-16 |
FR2061221A5 (xx) | 1971-06-18 |
ES383397A1 (es) | 1973-01-16 |
BE755822A (fr) | 1971-02-15 |
JPS4819506B1 (xx) | 1973-06-14 |
DE2044852A1 (de) | 1971-03-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1381018A (en) | Inline electron gun | |
IE43761L (en) | Astigmatic focus correction | |
JPS6334584B2 (xx) | ||
US4196370A (en) | CRT generating three inline beams and having shunts for weakening center beam horizontal magnetic deflection and strengthening vertical deflection | |
US3866080A (en) | Inline electron gun having magnetically permeable plates for enhancing convergence of electron beams | |
US4396862A (en) | Color picture tube with means for affecting magnetic deflection fields in electron gun area | |
GB1436925A (en) | Colour picture tubes containing an in-line type electron gun assembly | |
US2991381A (en) | Shielded magnet-assembly for colorkinescopes, etc. | |
US3534208A (en) | Cathode ray tube having three in-line guns and center beam convergence shield modifying center beam raster size | |
US3254251A (en) | Cathode ray tube gun having nested electrode assembly | |
US4455542A (en) | Device for displaying television pictures including a deflection unit therefor | |
GB1299128A (en) | Cathode ray tube having magnetically screened electrode assembly | |
US3268753A (en) | Plural electron gun assembly and magnetic convergence cage | |
GB1461796A (en) | Cathode ray tubes herbicide | |
US3936692A (en) | Electron gun assembly for use in multi-beam type cathode ray tube | |
US2719242A (en) | Beam alignment device for plural beam tubes | |
US2733365A (en) | hoagland | |
US4370593A (en) | In-line electron gun and method for modifying the same | |
GB1013989A (en) | Cathode ray tube | |
GB1003165A (xx) | ||
EP0102396B1 (en) | Flat cathode ray tubes | |
US4634923A (en) | Color picture tube having improved electron gun | |
US3916244A (en) | Plural-beam color picture tube with improved magnetic convergence structure | |
US3376448A (en) | Means for shielding electron guns of cathode ray tubes against spurious charges | |
US4939414A (en) | Color cathode ray tube with magnetic field conducting plates within envelope |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
476 | Application for correction of clerical errors now open to opposition (sect. 76/1949) | ||
PLNP | Patent lapsed through nonpayment of renewal fees |