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 (no) |
Family
ID=25001664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE408730D BE408730A (no) | 1934-10-03 |
Country Status (4)
Country | Link |
---|---|
US (1) | US2061255A (no) |
BE (1) | BE408730A (no) |
FR (1) | FR790003A (no) |
GB (1) | GB436060A (no) |
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 |
---|---|
GB436060A (en) | 1935-10-03 |
US2061255A (en) | 1936-11-17 |
FR790003A (fr) | 1935-11-12 |