NL85535C - - Google Patents
Info
- Publication number
- NL85535C NL85535C NL151078A NL151078A NL85535C NL 85535 C NL85535 C NL 85535C NL 151078 A NL151078 A NL 151078A NL 151078 A NL151078 A NL 151078A NL 85535 C NL85535 C NL 85535C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H01J21/06—Tubes with a single discharge path having electrostatic control means only
- H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
- H01J21/14—Tubes with means for concentrating the electron stream, e.g. beam tetrode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
- H01J3/026—Eliminating deleterious effects due to thermal effects, electric or magnetic field
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0029—Electron beam tubes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74283A US2518472A (en) | 1949-02-03 | 1949-02-03 | Electron gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL85535C true NL85535C (sv) | 1957-07-15 |
Family
ID=22118748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL151078A NL85535C (sv) | 1949-02-03 | 1950-01-17 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2518472A (sv) |
| AT (1) | AT172298B (sv) |
| CH (1) | CH282861A (sv) |
| DE (1) | DE831856C (sv) |
| FR (1) | FR1009449A (sv) |
| NL (1) | NL85535C (sv) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE977183C (de) * | 1953-05-01 | 1965-05-20 | Telefunken Patent | Elektrostatisch stark buendelndes Elektronenstrahlerzeugungssystem |
| DE975107C (de) * | 1953-05-15 | 1961-08-17 | Telefunken Patent | Elektrostatische Linse mit rotationssymmetrischen Elektroden, insbesondere fuer Kathodenstrahlroehren |
| US3139552A (en) * | 1960-03-07 | 1964-06-30 | Hughes Aircraft Co | Charged particle gun with nonspherical emissive surface |
| US3192425A (en) * | 1961-03-06 | 1965-06-29 | Zenith Radio Corp | X-ray tube with adjustable electron beam cross-section |
| US3916202A (en) * | 1974-05-03 | 1975-10-28 | Gen Electric | Lens-grid system for electron tubes |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1979392A (en) * | 1931-05-04 | 1934-11-06 | Siemens Ag | Cathode ray tube |
| US2079163A (en) * | 1932-05-31 | 1937-05-04 | Farnsworth Television Inc | Electron gun |
| NL46608C (sv) * | 1932-10-21 | |||
| US2146365A (en) * | 1934-12-13 | 1939-02-07 | John C Batchelor | Electron emitter |
| US2174853A (en) * | 1937-08-26 | 1939-10-03 | Hygrade Sylvania Corp | Electron gun structure and method of assembly thereof |
| US2284389A (en) * | 1940-08-31 | 1942-05-26 | Gen Electric | Rectifying system |
| US2303166A (en) * | 1941-01-21 | 1942-11-24 | Bell Telephone Labor Inc | Electron discharge device |
| US2308800A (en) * | 1941-02-15 | 1943-01-19 | Bell Telephone Labor Inc | Electron discharge device |
-
1949
- 1949-02-03 US US74283A patent/US2518472A/en not_active Expired - Lifetime
-
1950
- 1950-01-17 NL NL151078A patent/NL85535C/xx active
- 1950-01-18 DE DEH1286A patent/DE831856C/de not_active Expired
- 1950-01-20 AT AT172298D patent/AT172298B/de active
- 1950-01-20 CH CH282861D patent/CH282861A/de unknown
- 1950-01-24 FR FR1009449D patent/FR1009449A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT172298B (de) | 1952-08-25 |
| US2518472A (en) | 1950-08-15 |
| DE831856C (de) | 1952-02-18 |
| FR1009449A (fr) | 1952-05-29 |
| CH282861A (de) | 1952-05-15 |