GB463741A - Improvements in and relating to indirectly heated cathodes of cathode ray tubes - Google Patents
Improvements in and relating to indirectly heated cathodes of cathode ray tubesInfo
- Publication number
- GB463741A GB463741A GB31258/35A GB3125835A GB463741A GB 463741 A GB463741 A GB 463741A GB 31258/35 A GB31258/35 A GB 31258/35A GB 3125835 A GB3125835 A GB 3125835A GB 463741 A GB463741 A GB 463741A
- Authority
- GB
- United Kingdom
- Prior art keywords
- nozzle
- emitting
- heating
- filament
- heating part
- 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
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 5
- 238000010438 heat treatment Methods 0.000 abstract 5
- 229910052759 nickel Inorganic materials 0.000 abstract 2
- UUXFWHMUNNXFHD-UHFFFAOYSA-N barium azide Chemical compound [Ba+2].[N-]=[N+]=[N-].[N-]=[N+]=[N-] UUXFWHMUNNXFHD-UHFFFAOYSA-N 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 abstract 1
- 229910010293 ceramic material Inorganic materials 0.000 abstract 1
- 239000012212 insulator Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 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
- H01J29/48—Electron guns
- H01J29/485—Construction of the gun or of parts thereof
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE463741X | 1934-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB463741A true GB463741A (en) | 1937-04-06 |
Family
ID=6540154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB31258/35A Expired GB463741A (en) | 1934-11-13 | 1935-11-12 | Improvements in and relating to indirectly heated cathodes of cathode ray tubes |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR797630A (enrdf_load_stackoverflow) |
| GB (1) | GB463741A (enrdf_load_stackoverflow) |
| NL (1) | NL42963C (enrdf_load_stackoverflow) |
-
0
- NL NL42963D patent/NL42963C/xx active
-
1935
- 1935-11-12 FR FR797630D patent/FR797630A/fr not_active Expired
- 1935-11-12 GB GB31258/35A patent/GB463741A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL42963C (enrdf_load_stackoverflow) | |
| FR797630A (fr) | 1936-05-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB494644A (en) | Cathode ray tubes | |
| GB483012A (en) | Improvements in or relating to the operation of cathode ray tubes and arrangements therefor | |
| GB463741A (en) | Improvements in and relating to indirectly heated cathodes of cathode ray tubes | |
| GB478024A (en) | Improvements in or relating to thermionic cathodes for high pressure metal vapour discharge devices | |
| GB639589A (en) | Improvements in or relating to indirectly-heated cathodes | |
| US2227033A (en) | Electron optical system | |
| GB395529A (en) | Improvements in and relating to electric discharge tubes | |
| GB613946A (en) | Improvements in or relating to thermionic tubes having a secondary-emission electrode | |
| GB500017A (en) | Improvements in cathode ray tubes | |
| GB411120A (en) | Improvements in or relating to cathode ray or braun tubes | |
| GB406905A (en) | Improvements in or relating to electron emitting cathodes suitable for use in electron discharge devices | |
| GB356978A (en) | Improvements in or relating to electric discharge tubes | |
| GB309578A (en) | Improvements in or relating to wehnelt cathodes | |
| GB237919A (en) | Improvements in and relating to valves for wireless telegraphy and telephony | |
| GB400351A (en) | A highly emissive cathode for cathode-ray tubes | |
| GB469418A (en) | Improvements in or relating to cathode ray tubes | |
| GB397939A (en) | Improvements in and relating to electric discharge devices | |
| GB384136A (en) | Improvements in or relating to thermionic valves or electron discharge tubes | |
| GB415398A (en) | Improvements relating to indirectly heated cathodes for electron discharge devices | |
| GB730204A (en) | Improvements relating to cathode ray tubes | |
| GB471501A (en) | Improvements in and relating to electron discharge devices | |
| GB301855A (en) | Improvements in or relating to electronic discharge bulbs | |
| GB230492A (en) | Improvements in and relating to electric discharge vessels, tubes or the like | |
| GB438343A (en) | Improvements relating to indirectly heated cathodes for cathode ray tubes | |
| US2426247A (en) | Getter apparatus |