BE408730A - - Google Patents
Info
- Publication number
- BE408730A BE408730A BE408730DA BE408730A BE 408730 A BE408730 A BE 408730A BE 408730D A BE408730D A BE 408730DA BE 408730 A BE408730 A BE 408730A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/50—Thermionic-cathode tubes
- H01J17/52—Thermionic-cathode tubes with one cathode and one anode
- H01J17/54—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes
- H01J17/56—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes for preventing and then permitting ignition, but thereafter having no control
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US746631A US2061255A (en) | 1934-10-03 | 1934-10-03 | Electric discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE408730A true BE408730A (en:Method) |
Family
ID=25001664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE408730D BE408730A (en:Method) | 1934-10-03 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2061255A (en:Method) |
| BE (1) | BE408730A (en:Method) |
| FR (1) | FR790003A (en:Method) |
| GB (1) | GB436060A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2975319A (en) * | 1951-03-06 | 1961-03-14 | Tesla Np | Tacttron |
| US2963601A (en) * | 1957-08-07 | 1960-12-06 | Westinghouse Electric Corp | Ionization vacuum gauge |
-
0
- BE BE408730D patent/BE408730A/xx unknown
-
1934
- 1934-10-03 US US746631A patent/US2061255A/en not_active Expired - Lifetime
-
1935
- 1935-03-18 GB GB8352/35A patent/GB436060A/en not_active Expired
- 1935-05-14 FR FR790003D patent/FR790003A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2061255A (en) | 1936-11-17 |
| GB436060A (en) | 1935-10-03 |
| FR790003A (fr) | 1935-11-12 |