NL72289C - - Google Patents
Info
- Publication number
- NL72289C NL72289C NL72289DA NL72289C NL 72289 C NL72289 C NL 72289C NL 72289D A NL72289D A NL 72289DA NL 72289 C NL72289 C NL 72289C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
- H01J25/36—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
- H01J25/36—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field
- H01J25/38—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field the forward travelling wave being utilised
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL277503X | 1948-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL72289C true NL72289C (en) |
Family
ID=19782178
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL72289D NL72289C (en) | 1948-08-19 | ||
| NL707003544A NL141983B (en) | 1948-08-19 | DEVICE FOR MAPPING THE SPATIAL DISTRIBUTION OF RADIOACTIVE NUCLIDES IN AN OBJECT TO BE EXAMINED. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL707003544A NL141983B (en) | 1948-08-19 | DEVICE FOR MAPPING THE SPATIAL DISTRIBUTION OF RADIOACTIVE NUCLIDES IN AN OBJECT TO BE EXAMINED. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2619614A (en) |
| BE (1) | BE490688A (en) |
| CH (1) | CH277503A (en) |
| FR (1) | FR993364A (en) |
| GB (1) | GB671422A (en) |
| NL (2) | NL141983B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE550314C (en) * | 1932-05-07 | Sueddeutsche Telefon App Kabel | Cathode tubes in which the grid or anode or both are arranged in the electron path in such a way that, viewed from the cathode, parts of the grid and the anode alternate with one another | |
| US1792219A (en) * | 1926-02-27 | 1931-02-10 | Siemens Ag | Method of securing grid wires |
| US2075202A (en) * | 1934-12-12 | 1937-03-30 | Philips Nv | Electron discharge tube |
| US2460062A (en) * | 1945-11-23 | 1949-01-25 | Philco Corp | Grid controlled electron tube |
-
0
- NL NL72289D patent/NL72289C/xx active
- NL NL707003544A patent/NL141983B/en unknown
- BE BE490688D patent/BE490688A/xx unknown
-
1949
- 1949-07-28 US US107286A patent/US2619614A/en not_active Expired - Lifetime
- 1949-08-11 GB GB21299/49A patent/GB671422A/en not_active Expired
- 1949-08-17 CH CH277503D patent/CH277503A/en unknown
- 1949-08-17 FR FR993364D patent/FR993364A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH277503A (en) | 1951-08-31 |
| NL141983B (en) | |
| US2619614A (en) | 1952-11-25 |
| FR993364A (en) | 1951-10-30 |
| BE490688A (en) | |
| GB671422A (en) | 1952-05-07 |