NL45873C - - Google Patents
Info
- Publication number
- NL45873C NL45873C NL45873DA NL45873C NL 45873 C NL45873 C NL 45873C NL 45873D A NL45873D A NL 45873DA NL 45873 C NL45873 C NL 45873C
- Authority
- NL
- Netherlands
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
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/62—Electrostatic lenses
- H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
- H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB32181/34A GB451766A (en) | 1934-11-08 | 1934-11-08 | Improvements in or relating to cathode ray tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL45873C true NL45873C (en:Method) |
Family
ID=10334550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL45873D NL45873C (en:Method) | 1934-11-08 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2124270A (en:Method) |
| FR (1) | FR798123A (en:Method) |
| GB (1) | GB451766A (en:Method) |
| NL (1) | NL45873C (en:Method) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB583214A (en) * | 1941-12-12 | 1946-12-12 | Standard Telephones Cables Ltd | Improvements in or relating to electron discharge devices of the velocity modulationtype |
| NL83700C (en:Method) * | 1942-03-24 | |||
| US2520813A (en) * | 1947-12-10 | 1950-08-29 | Rudenberg Reinhold | Electron optical system |
| FR1018955A (fr) * | 1950-05-02 | 1953-01-15 | Philips Brasil | Tubes à décharge pour hyperfréquences |
| US2735032A (en) * | 1952-10-09 | 1956-02-14 | bradley | |
| US2916666A (en) * | 1954-06-21 | 1959-12-08 | Itt | Electron beam gun systems |
| US2840754A (en) * | 1954-09-01 | 1958-06-24 | Rca Corp | Electron beam tube |
| US2903619A (en) * | 1957-08-28 | 1959-09-08 | Sylvania Electric Prod | Microwave tube |
| US2903620A (en) * | 1957-08-28 | 1959-09-08 | Sylvania Electric Prod | Microwave tube |
| US3143681A (en) * | 1959-12-07 | 1964-08-04 | Gen Electric | Spiral electrostatic electron lens |
| US3167684A (en) * | 1960-01-20 | 1965-01-26 | Johann R Hechtel | Klystron tubes |
-
0
- NL NL45873D patent/NL45873C/xx active
-
1934
- 1934-11-08 GB GB32181/34A patent/GB451766A/en not_active Expired
-
1935
- 1935-11-04 FR FR798123D patent/FR798123A/fr not_active Expired
- 1935-11-05 US US48348A patent/US2124270A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2124270A (en) | 1938-07-19 |
| GB451766A (en) | 1936-08-10 |
| FR798123A (fr) | 1936-05-09 |