GB1258134A - - Google Patents
Info
- Publication number
- GB1258134A GB1258134A GB1258134DA GB1258134A GB 1258134 A GB1258134 A GB 1258134A GB 1258134D A GB1258134D A GB 1258134DA GB 1258134 A GB1258134 A GB 1258134A
- Authority
- GB
- United Kingdom
- Prior art keywords
- disc
- cathode
- heating ribbon
- feb
- extends
- 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
- 238000010438 heat treatment Methods 0.000 abstract 4
- 239000000463 material Substances 0.000 abstract 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 1
- 239000012212 insulator Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 239000008188 pellet Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/15—Cathodes heated directly by an electric current
Landscapes
- Electron Sources, Ion Sources (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681562027 DE1562027A1 (de) | 1968-02-17 | 1968-02-17 | Elektronenstrahlerzeugungssystem fuer Fernsehbildroehren |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1258134A true GB1258134A (en)) | 1971-12-22 |
Family
ID=5677667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1258134D Expired GB1258134A (en)) | 1968-02-17 | 1969-02-12 |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT303137B (en)) |
BE (1) | BE728484A (en)) |
ES (1) | ES363751A1 (en)) |
FR (1) | FR2002107A1 (en)) |
GB (1) | GB1258134A (en)) |
SE (1) | SE356395B (en)) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3983443A (en) * | 1975-03-24 | 1976-09-28 | Rca Corporation | Vacuum electron device having directly-heated matrix-cathode-heater assembly |
-
1969
- 1969-02-12 GB GB1258134D patent/GB1258134A/en not_active Expired
- 1969-02-14 FR FR6903587A patent/FR2002107A1/fr not_active Withdrawn
- 1969-02-14 AT AT148869A patent/AT303137B/de not_active IP Right Cessation
- 1969-02-17 BE BE728484D patent/BE728484A/xx unknown
- 1969-02-17 SE SE212269A patent/SE356395B/xx unknown
- 1969-02-17 ES ES363751A patent/ES363751A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AT303137B (de) | 1972-11-10 |
BE728484A (en)) | 1969-08-18 |
ES363751A1 (es) | 1970-12-16 |
SE356395B (en)) | 1973-05-21 |
FR2002107A1 (en)) | 1969-10-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2146365A (en) | Electron emitter | |
US2170663A (en) | Electron discharge device | |
US2852716A (en) | Cathode ray tube and electron gun therefor | |
US2638559A (en) | Electrostatic lens for cathode-ray tubes | |
GB1258134A (en)) | ||
GB974304A (en) | Cathode ray tube apparatus | |
GB1019103A (en) | Cathode ray tube | |
GB1502876A (en) | Cathode ray tube | |
US2660687A (en) | Mercury vapor rectifier tube employing magnetic field | |
GB1216584A (en) | Directly heated cathode | |
US3027479A (en) | Electron guns | |
US2978606A (en) | Electron discharge device | |
GB788073A (en) | Improvements in precision cathode-ray tube assembly | |
US2129015A (en) | Braun tube | |
GB682556A (en) | Improvements in or relating to methods and apparatus for mounting and firing getters | |
US2764708A (en) | Electron discharge devices | |
US2890377A (en) | Color tube shield | |
US3121181A (en) | Plural beam electron gun | |
US2226729A (en) | Low impedance power tube | |
GB875272A (en) | Electron discharge devices | |
US2864020A (en) | Electron discharge device | |
US2146366A (en) | Electronic apparatus | |
GB975023A (en) | Cathode grid assembly for electron gun | |
GB1216583A (en) | Resilient support means for directly heated cathode | |
US2949556A (en) | Electron discharge device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |